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    • Alcea

    Majestic Blooms for Cottage Gardens

    Embrace the nostalgic charm of cottage gardens with Alcea, commonly known as Hollyhocks. These stately perennials boast tall, majestic flower stalks adorned with large, showy blooms in a wide array of colors. Their impressive height and vibrant flowers create a stunning vertical accent in borders, cottage gardens, and even against walls and fences. Alcea are easy to grow and attract pollinators, making them a delightful addition to any sunny garden.

    • Cottage Garden Charm: Adds a classic, romantic touch to gardens with its traditional appeal.
    • Towering Beauty: Creates a dramatic vertical element with its tall flower stalks, reaching up to 8 feet.
    • Vibrant Colors: Offers a wide range of flower colors, including pink, red, purple, yellow, white, and even black.
    • Long Blooming Season: Provides continuous color throughout summer.
    • Attracts Pollinators: Bees and butterflies are drawn to the abundant blooms.
    • Easy to Grow: Relatively low-maintenance and thrives in a variety of conditions.
    • Biennial or Short-Lived Perennial: Often behaves as a biennial, flowering in its second year, but can reseed readily to provide continuous blooms.

    Optimal Conditions:

    • Soil: Prefers well-drained soil with average fertility. Tolerates a range of soil types, but good drainage is essential.
    • Sunlight: Full sun (at least 6 hours per day) is crucial for optimal flowering and strong stems.
    • Hardiness: Typically, hardy in USDA zones 3-8.
    • Spacing: Space plants 18-24 inches apart to allow for air circulation and prevent overcrowding.
    • Planting Depth: Sow seeds directly in the garden or start indoors 6-8 weeks before the last frost.
    • Support: Tall varieties may require staking or support to prevent them from bending or breaking in strong winds.

    Care Tips:

    • Watering: Water regularly during the first growing season to establish a strong root system. Once established, Alcea are relatively drought-tolerant.
    • Fertilizing: A light application of balanced fertilizer in spring can be beneficial.
    • Deadheading: Remove spent flower stalks to encourage continuous blooming and prevent self-seeding (unless you wish to collect seeds).
    • Rust Prevention: Alcea are susceptible to rust, a fungal disease. Ensure good air circulation, avoid overhead watering, and consider preventative fungicide treatments if necessary.
    • Overwintering: In colder climates, mulch around the base of the plants in fall to protect the roots.

    Companion Planting Ideas:

    • Create a classic cottage garden look with Delphiniums, Lupines, and Foxgloves.
    • Combine with other tall perennials like Verbena bonariensis and ornamental grasses.
    • Plant along fences and walls to add height and color.
    • Use in mixed borders to provide vertical interest.

    Key Features Summary:

    • Tall, majestic flower stalks.
    • Wide range of flower colors.
    • Cottage garden charm.
    • Attracts pollinators.
    • Easy to grow.

    Hollyhocks provide excellent architectural height in the garden and make good backdrops for lower growing perennials. Try growing them in the cottage garden style by planting them up against a wall or picket fence. Though their stalks are very strong, they may need to be staked if they are planted in a windy site.

    Hollyhocks will grow in average, medium, well-drained soils, although they prefer rich, moist, well-drained soil. Tolerant of short drought periods, but not wet soils in winter. They need full sun to really perform in the landscape.

    Did you know that Hollyhock flowers are edible? Though they don't have much flavor, they make a showy edible garnish for summer dishes.

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      Alcea

      Alcea 'Las Vegas' (30)ct Flat

      Alcea 'Las Vegas' (30)ct FlatHollyhock-Fig Leaf “Like the bright colorful lights of Las Vegas inch, this mixed color strain of fig leaf hollyhocks bears large, saucer-shaped flowers in unique shades of red, copper, chestnut brown, yellow, pink, and...

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      Alcea

      Alcea r. 'Blacknight' (30)ct Flat

      Alcea rosea 'Blacknight' (30)ct FlatSpotlight SeriesCommon Name: Hollyhock Deep black-purple, single flowers are produced on tall, sturdy stalks in midsummer. For over 18 years, Jelitto worked to develop a consistent strain of stable, straight color,...

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    • Alcea rosea Fiesta Time 30ct Flat Alcea rosea Fiesta Time 30ct Flat

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      Alcea r. 'Fiesta Time' (30)ct Flat

      Alcea rosea 'Fiesta Time' (30)ct FlatCommon Name: Hollyhock This vibrant seed selection produces relatively short spikes of double, cerise pink, fringed blossoms beginning in midsummer. This is a first year flowering perennial. The shorter height of...

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    • Alcea rosea Mars Magic 30ct Flat Alcea rosea Mars Magic 30ct Flat

      Alcea

      Alcea r. 'Mars Magic' (30)ct Flat

      Alcea rosea 'Mars Magic' (30)ct FlatSpotlight SeriesCommon Name: Hollyhock Bright red, single flowers are produced on tall, sturdy stalks in midsummer. For over 18 years, Jelitto worked to develop a consistent strain of stable, straight color, single...

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    Alcea rosea, commonly known as hollyhock, is a classic cottage garden favorite, prized for its tall spires of showy flowers in a wide array of colors. This biennial or short-lived perennial can add a touch of old-fashioned charm to any garden. Here is what gardeners should know about growing and caring for Alcea rosea:  

    Planting Alcea Rosea

    • Sunlight and Soil Hollyhocks thrive in full sun, needing at least 6 hours of direct sunlight daily . They tolerate a wide range of soil conditions, including clay, loam, and sand, but prefer well-drained soil . They will not tolerate wet winter soils .  
    • Planting Depth Sow seeds directly outdoors about a week before the last frost, planting them just ¼ inch deep and about 2 feet apart . If starting seeds indoors, use tall, individual pots to accommodate the long taproots and transplant early to avoid damage . When planting established plants, ensure the top of the root ball is level with the soil line .  

    Caring for Alcea Rosea

    • Watering Hollyhock seedlings prefer damp conditions . Water new plants when the top inch of soil starts to dry out . Established plants require more consistent watering, especially during hot, dry periods . Water thoroughly and allow the soil to dry slightly between waterings .  
    • Fertilizing In fertile soils, fertilizing may not be necessary . However, in poor soils, feeding every two to four weeks during the bloom period can be beneficial . Use an organic flower fertilizer or a fish emulsion that is high in nitrogen . You can also use a fertilizer with higher levels of phosphorus to support blooming .  
    • Pruning Prune hollyhocks during the spring and summer when they are blooming . Pinch back flowers when they start to die . In early September, cut them down to keep their seeds from spreading . You can also cut back the entire stalk to the base after flowering to prevent seed heads from forming . To prevent rust disease from overwintering, cut back all stems and leaves to the ground in winter .  

    Pests and Diseases Hollyhocks are susceptible to several pests and diseases, including:

    • Hollyhock rust: This fungal disease is the most common problem for hollyhocks, causing yellow or orange spots on the leaves, stunting, and premature leaf drop .  
    • Leaf spots: Caused by various fungi, leaf spots can appear as circular or angular spots on the leaves .  
    • Pests: Hollyhocks can be affected by pests such as slugs, snails, Japanese beetles, spider mites, and fourlined plant bugs .  

    To prevent these problems, ensure proper air circulation, avoid overhead watering, and remove infected plant parts. You can also use fungicides or insecticides if necessary.

    Varieties of Alcea Rosea Alcea rosea comes in a wide variety of colors and forms. Some popular varieties include:  

    • 'Spotlight Series': This series offers single-flowered varieties in a range of colors, including deep black-purple, red, pink, yellow, and white .  
    • 'Halo Series': This series features single, bicolor flowers with lighter or darker centers, such as 'Cerise' (cerise pink with a deep purple center) and 'Blush' (white with a fuchsia halo and yellow center) .  
    • 'Indian Spring Mix': This mix produces large, outward-facing, single flowers in various colors, including reds, pinks, whites, and light yellows .  
    • 'Charters Mixture': This variety is self-seeding and offers a long bloom season .  

    Companion Planting with Alcea Rosea Hollyhocks can be effectively combined with other plants in the garden. Some suitable companion plants include:  

    • Cottage garden favorites: Foxglove, mullein, lupines, and blazing star .  
    • Cool-loving plants: Pansies and campanulas .  
    • Contrasting textures: Verbena bonariensis, yarrow, and lavender .  
    • Pollinator attractors: Coneflowers and catmint .  

    Alcea rosea is a beautiful and relatively easy-to-grow plant that can add height and color to any garden. By understanding its basic needs and providing proper care, gardeners can enjoy these stunning blooms for years to come.

    Hollyhocks (Alcea rosea) are charming flowering plants, often found gracing gardens with their colorful presence. While they readily reseed and form colonies, they are rarely found in the wild. Originating perhaps in Turkey, they are likely a cultivated variety, sometimes listed under the name Althaea in plant catalogs.

    These beauties thrive in sunny spots with rich soil, and reward gardeners with towering spikes of blooms in a rainbow of hues, from soft lavenders to vibrant reds and yellows. Their flowers, reminiscent of poppies, adorn the garden from June to August. Although they prefer full sun and fertile conditions, hollyhocks are adaptable and can tolerate some shade and a variety of soils. However, good drainage is essential, especially during winter months.

    While typically reaching heights of 5 to 8 feet, their sturdy stalks usually require no support. Considered biennials or short-lived perennials, they readily self-sow, ensuring a delightful display year after year.

    Common Name: Hollyhock

    Family: Malvaceae

    • Origin: Possibly Western Asia
    • Type: Biennial or short-lived perennial
    • Height: Typically 5-8 feet tall
    • Spread: 1-2 feet
    • Flowering: June to August
    • Hardiness: USDA Zones 3-8
    • Growth Habit: Erect, with rigid, towering spikes of flowers
    • Soil: Average, medium moisture, well-drained soil
    • Light: Full sun, but tolerates some light shade
    • Moisture: Prefers dry or moist soil, but will not tolerate wet winter soils
    • Propagation: Easily grown from seed; self-seeds readily
    • Uses: Borders, cottage gardens, backdrops, specimen plants, cut flowers

    Noteworthy Characteristics:

    • Flowers: Large, showy, single or double blooms in a wide range of colors, including pink, red, white, yellow, purple, and black
    • Foliage: Large, heart-shaped, rough leaves
    • Maintenance: Generally low-maintenance; may require staking in windy conditions
    • Pests and Diseases: Susceptible to rust, powdery mildew, and Japanese beetles

    Additional Information:

    • Hollyhocks are old-fashioned garden favorites, known for their tall, stately appearance and long blooming period.
    • They are relatively easy to grow and care for, making them a popular choice for both novice and experienced gardeners.
    • Hollyhocks are attractive to pollinators, such as bees and butterflies.
    • They are often used in cottage gardens, borders, and as backdrops for other plants.
    • The flowers can also be cut and used in arrangements.
    • Kingdom: Plantae (Plants)
    • Clade: Tracheophytes (Vascular plants)
    • Clade: Angiosperms (Flowering plants)
    • Clade: Eudicots (Plants with two cotyledons)
    • Clade: Rosids (A large clade of eudicots)
    • Order: Malvales (This order includes plants like hibiscus and cotton)
    • Family: Malvaceae (The Mallow family)
    • Genus: Alcea
    • Species: Alcea rosea

    Common Name: Hollyhock

    Important Note:

    • Synonyms: You might also see this plant listed as Althaea rosea in some older texts. This was a previous scientific name, but Alcea rosea is the currently accepted one.

    Hollyhocks are beloved for their tall, stately spires of colorful flowers. They are a classic cottage garden plant and bring a touch of old-fashioned charm to any landscape. If you have any questions about growing them or want to delve deeper into their characteristics, just let me know!

    Alcea rosea Morphology

    Hollyhocks are easily recognizable with their tall, stately presence and vibrant flowers. Here is a closer look at their morphology:

    1. Habit:

    • Biennial or short-lived perennial: They typically complete their lifecycle in two years but may persist for a few more.
    • Erect growth: Hollyhocks have a strong, upright central stem.
    • Height: They can reach impressive heights, ranging from 4 to 8 feet (1.2 to 2.4 meters) or even taller.

    2. Leaves:

    • Arrangement: Alternate, meaning they are arranged singly along the stem.
    • Shape: Large, rounded, and palmately lobed (having lobes that radiate from a central point), resembling a hand with fingers spread out.
    • Texture: Rough and slightly hairy, especially on the underside.
    • Size: Leaves can be quite large, up to 8 inches (20 cm) in diameter.

    3. Stems:

    • Stout and hairy: The central stem is thick and covered in fine hairs.
    • Unbranched or sparingly branched: Usually, there is one main stem, but some side branches may develop.

    4. Inflorescence:

    • Raceme: The flowers are arranged in a tall, spike-like cluster called a raceme.
    • Flowering pattern: Flowers bloom from the bottom of the spike upwards, creating a long-lasting display.
    • Individual flowers: Large, showy, and often described as "single" (having one layer of petals) or "double" (having multiple layers of petals).
    • Colors: Highly variable, including shades of pink, red, purple, yellow, white, and even black.

    5. Fruits:

    • Schizocarp: A dry fruit that splits into multiple segments, each containing a single seed.

    6. Roots:

    • Taproot: A deep, central root that anchors the plant and helps it access water and nutrients.

    Distinctive features:

    • Tall stature: Hollyhocks are known for their towering height, making them a prominent feature in gardens.
    • Showy flowers: The large, colorful flowers are a major attraction, adding a touch of old-fashioned charm.
    • Hairy foliage: The rough, hairy leaves are a characteristic feature.

    Variations within the species:

    • Flower form: There is a wide variety of flower forms, including single, double, semi-double, and frilled.
    • Flower color: Hollyhocks come in a rainbow of colors, from pastel shades to vibrant hues.
    • Plant height: Some varieties are more compact, while others reach towering heights.

    Understanding the morphology of Alcea rosea can help you appreciate its beauty and diversity, as well as choose the right varieties for your garden.

    Hollyhocks are a joy to grow, adding vertical interest and old-fashioned charm to gardens. Here is a guide to successful cultivation:

    1. Planting

    • Timing: Sow seeds outdoors in late spring or early summer or start indoors 6-8 weeks before the last frost. For fall planting, sow seeds in late summer or early fall.
    • Location: Choose a sunny spot that receives at least 6 hours of direct sunlight per day.
    • Soil: Hollyhocks prefer well-drained soil that is rich in organic matter. Amend heavy clay soil with compost to improve drainage.
    • Spacing: Space plants 18-24 inches apart, as they can grow quite tall and wide.

    2. Soil Preparation:

    • Before planting, amend the soil with compost or well-rotted manure to improve drainage and fertility.
    • If your soil is heavy clay, consider adding sand or grit to improve drainage.

    3. Watering:

    • Water regularly, especially during dry spells, to keep the soil consistently moist but not waterlogged.
    • Deep watering encourages deep root growth, which helps the plants withstand drought and strong winds.

    4. Fertilizing:

    • Hollyhocks are not heavy feeders, but they benefit from a light application of balanced fertilizer in spring.
    • Avoid over-fertilization, as this can lead to excessive foliage growth and fewer flowers.

    5. Staking:

    • Taller varieties may require staking to prevent them from flopping over, especially in windy conditions.
    • Use sturdy stakes and tie the stems loosely to allow for some movement.

    6. Deadheading:

    • Remove spent flower spikes to encourage repeat blooming and prevent self-seeding, if desired.
    • If you want the plants to self-sow, leave some of the flower spikes to mature and release their seeds.

    7. Pest and Disease Control:

    • Rust: Hollyhocks are susceptible to rust, a fungal disease that causes orange spots on the leaves. To prevent rust, ensure good air circulation, avoid overhead watering, and remove infected leaves promptly.
    • Other pests: Watch for Japanese beetles, spider mites, and leaf miners. Treat infestations with appropriate organic or chemical controls.

    8. Winter Care:

    • In colder climates, mulch around the base of the plants in late fall to protect the roots from freezing temperatures.
    • Cut back the stalks to ground level after they die back in fall or winter.

    9. Propagation:

    • Hollyhocks can be grown from seed. Collect seeds from mature plants and sow them directly outdoors or start them indoors.
    • Some varieties can also be propagated by root cuttings.

    Additional Tips:

    • To prevent rust, choose rust-resistant varieties and avoid overcrowding plants.
    • Hollyhocks are biennials, meaning they typically bloom in their second year and then die. However, they often self-sow, creating new plants for the following year.
    • Consider planting hollyhocks along fences or walls to provide support and create a dramatic backdrop.

    By following these guidelines, you can cultivate healthy and beautiful hollyhocks that will add a touch of cottage garden charm to your landscape.

    Spring

    • Planting: Sow seeds outdoors or transplant seedlings after the last frost.
    • Fertilizing: Apply a balanced, slow-release fertilizer.
    • Staking: Begin staking taller varieties as they grow.
    • Pest and Disease Monitoring: Watch for early signs of rust or other pests.

    Summer

    • Watering: Water regularly, especially during dry periods, ensuring deep watering.
    • Deadheading: Remove spent flower spikes to encourage repeat blooming or leave some for self-seeding.
    • Pest and Disease Control: Continue monitoring and address any issues promptly.
    • Support: Adjust stakes as needed to accommodate growth.

    Fall

    • Mulching: Apply a layer of mulch around the base of the plants for winter protection.
    • Cleanup: After the first frost, cut back dead stalks to ground level. (Some gardeners prefer to leave stalks for winter interest.)
    • Seed Collection: If desired, collect seeds from mature flower spikes for future planting.

    Winter

    • Minimal Care: Hollyhocks are generally dormant in winter.
    • Protection: In colder regions, provide extra winter protection with evergreen boughs or a frost blanket, if desired.

    Additional Notes:

    • Hollyhocks are biennials, meaning they typically flower in their second year.
    • To encourage self-seeding, allow some flower spikes to mature and release seeds.
    • Good air circulation is crucial to prevent rust.
    • If rust appears, remove and destroy affected leaves.
    • Consider replacing hollyhocks every 2-3 years to maintain vigor and prevent disease buildup.

    This calendar provides a general framework for Alcea rosea care. You may need to adapt the timing and intensity of tasks based on your specific climate, growing conditions, and hollyhock variety.

    Hollyhocks are incredibly diverse, with a wide array of options to suit any garden style. Here is a breakdown to help you navigate the world of Alcea rosea:

    Species:

    • Alcea rosea (Common Hollyhock): This is the most widely cultivated species, offering a vast range of colors and forms. It is a biennial, typically flowering in its second year.

    Groups:

    Hollyhocks are often categorized into groups based on flower form:

    • Single: These have a single layer of petals, creating a simple, open-faced flower.
    • Double: These boast multiple layers of petals, creating a full, fluffy bloom.
    • Semi-double: These have more than one layer of petals but are not as full as doubles.
    • Frilled: These have petals with ruffled or fringed edges.

    Varieties:

    Varieties typically refer to naturally occurring variations within the species. While not as common in Alcea rosea, some examples include:

    • Alcea rosea var. nigra: This variety is known for its deep maroon, almost black flowers.

    Cultivars:

    Cultivars are plants specifically bred or selected for desirable traits. Here are a few popular ones:

    • 'Chater's Double' Series: This series, developed in the 19th century, offers a wide range of colors in fully double flowers. Some popular cultivars within this series include 'Chater's Double Salmon Queen' (salmon-pink) and 'Chater's Double Golden Yellow'.
    • 'Indian Spring': This cultivar features a mix of single flowers in shades of apricot, pink, red, and yellow.
    • 'Peaches 'n' Dreams': This cultivar boasts large, double flowers in shades of peach and apricot.
    • 'Summer Carnival': This mix offers a vibrant array of single and semi-double flowers in various colors.
    • 'Nigra': This cultivar has deep maroon, almost black, double flowers.
    • 'Halo' Series: This series features semi-double flowers with a contrasting "halo" around the center.
    • 'Majorette' Series: This series offers dwarf varieties with double flowers in a range of colors.

    Choosing the right Alcea rosea:

    • Hardiness: Most hollyhocks are hardy in zones 3-8, but some may be more tolerant of heat or cold.
    • Height: Consider the mature height of the plant and choose varieties that fit your space.
    • Flower form and color: Explore the range of flower forms and colors available to find those that suit your preferences.
    • Disease resistance: Some cultivars are more resistant to rust than others.

    With so many options to choose from, you are sure to find the perfect Alcea rosea to add height, color, and old-fashioned charm to your garden.

    Alcea rosea, with its towering spires of blooms, can create a truly spectacular sight when planted en masse. Here is why it is so effective and which varieties to consider:  

    Why Alcea rosea excels in mass plantings:

    • Vertical Drama: The tall, stately growth habit of hollyhocks adds height and drama to the landscape, creating a striking backdrop for other plants.
    • Cottage Garden Charm: Hollyhocks evoke a sense of nostalgia and romance, bringing a classic cottage garden feel to mass plantings.
    • Pollinator-Friendly: The large, open flowers attract bees, butterflies, and other pollinators, enhancing biodiversity in your garden.
    • Long Blooming Season: Hollyhocks typically bloom for several weeks in mid-summer, providing extended color and interest.
    • Variety of Colors: With a wide range of colors available, from soft pastels to vibrant hues, you can create a tapestry of color in your mass planting.

    Recommended Alcea rosea for mass plantings:

    • 'Chater's Double' Series: This series offers a wide array of fully double flowers in various colors, creating a lush and romantic effect when planted en masse.
    • 'Indian Spring': This cultivar features a mix of single flowers in shades of apricot, pink, red, and yellow, creating a cheerful and vibrant display.
    • 'Summer Carnival': This mix offers a diverse range of single and semi-double flowers in various colors, adding a touch of whimsy to mass plantings.
    • 'Nigra': This cultivar, with its deep maroon, almost black, double flowers, creates a dramatic and sophisticated statement when planted in large groups.
    • 'Halo' Series: This series features semi-double flowers with a contrasting "halo" around the center, adding a unique touch to mass plantings.

    Tips for mass planting Alcea rosea:

    • Spacing: Space plants 18-24 inches apart to allow for adequate airflow and prevent overcrowding.
    • Soil Preparation: Amend the soil with compost to improve drainage and fertility.
    • Sunlight: Choose a location that receives full sun for optimal blooming.
    • Support: Taller varieties may require staking to prevent flopping, especially in windy conditions.
    • Deadheading: Remove spent flowers to encourage repeat blooming or leave some for self-seeding.

    Design Ideas:

    • Borders and Backdrops: Create a stunning border along fences, walls, or the back of garden beds with a mass planting of hollyhocks.
    • Cottage Garden Style: Combine hollyhocks with other cottage garden favorites, such as delphiniums, foxgloves, and roses, for a romantic and nostalgic feel.
    • Meadow Plantings: Incorporate hollyhocks into wildflower meadows or naturalistic plantings for a touch of vertical interest and color.
    • Color Blocking: Plant different colored varieties in blocks or drifts to create a bold and impactful display.

    By carefully selecting varieties and following proper planting techniques, you can create stunning mass plantings of Alcea rosea that will transform your garden into a vibrant tapestry of color and old-fashioned charm.

    Hollyhocks (Alcea rosea) FAQ

    • Also Known As: Antwerp Hollyhock
    • Family: Malvaceae
    • Origin: Siberia
    • Type: Herbaceous perennial
    • Height: Up to 7 feet tall
    • Spread: 1-2 feet
    • Flowering: Mid-summer to frost
    • Hardiness: USDA Zones 3-8
    • Growth Habit: Bushy, with multiple stems arising from the base
    • Soil: Fertile, well-drained soil
    • Light: Full sun
    • Moisture: Prefers consistently moist soil

    Noteworthy Characteristics:

    • Flowers: Large, showy blooms in a variety of colors, including cream, gold, rose pink, copper, and purple.
    • Foliage: Deeply lobed leaves, resembling fig leaves, which give this variety its common name. The leaves are borne all along the stems, unlike the common hollyhock (Alcea rosea) which has mostly basal leaves.
    • Resistance: More resistant to rust than the common hollyhock.
    • Longevity: Considered a true perennial, living longer than the often-biennial common hollyhock.

    Cultivation:

    • Planting: Sow seeds in late spring or early summer.
    • Spacing: Space plants about 2 feet apart.
    • Care: Water regularly, especially during dry periods. Fertilize lightly in spring.
    • Maintenance: Deadhead spent flowers to encourage more blooms. May require staking in windy conditions.

    Uses:

    • Borders: Excellent for adding height and color to borders.
    • Background Plantings: Effective when planted at the back of a border to provide a backdrop for other plants.
    • Cut Flowers: The long stems make excellent cut flowers.

    Advantages of Fig Leaf Hollyhock:

    • Longer Bloom Time: Blooms from mid-summer to frost, providing a long season of color.
    • Rust Resistance: Less susceptible to rust than the common hollyhock.
    • Perennial Nature: Lives for several years, unlike the often-biennial common hollyhock.
    • Bushy Habit: The multiple stems create a fuller, bushier plant.

    Alcea is a genus of about eighty species of flowering plants in the mallow family, Malvaceae. They are commonly known as hollyhocks. These tall, beautiful plants are native to Asia and Europe, but some species have naturalized in other parts of the world, including North America.

    Here are some key characteristics of Alcea:

    • ·Appearance: They are biennial or short-lived perennial plants with tall, upright stems that can reach up to eight feet (2.4 meters) in height. The leaves are large, lobed, and green, and the flowers are large, showy blooms in a variety of colors, including red, pink, yellow, white, and purple.
    • ·Bloom time: The blooms typically appear in midsummer and last for several weeks. Some species may even rebloom later in the season.
    • ·Uses: Hollyhocks are popular ornamental plants grown in gardens and borders. They are also used in traditional medicine in some cultures.
    • ·Symbolism: In some cultures, hollyhocks are associated with protection and good luck.

    Here are some specific types of Alcea:

    • ·Common hollyhock (Alcea rosea): This is the most popular type of hollyhock, and it is the one that is most commonly grown in gardens. It has tall, branched stems and large, single flowers in a variety of colors.
    • ·Chater's hollyhock (Alcea rosea 'Chater's Double'): This variety has double flowers that are even more showy than the single flowers of the common hollyhock.
    • ·Siberian hollyhock (Alcea rugosa): This species is native to Siberia and is more cold hardy than the common hollyhock. It has yellow flowers with maroon markings.
    • ·Sulphur hollyhock (Alcea pallida): This species has pale yellow flowers and is smaller than the common hollyhock.

    Alcea plants, commonly known as hollyhocks, exhibit a range of sizes depending on the specific species and growing conditions. Here is a general overview:  

    Height:

    • Most common varieties: Typically reach heights of 5 to 8 feet tall. This includes popular species like Alcea rosea (common hollyhock) and Alcea ficifolia (fig leaf hollyhock).
    • Dwarf varieties: Some cultivars have been bred for shorter heights, typically around 2 to 3 feet tall. These are great options for smaller gardens or containers.

    Spread:

    • Typical spread: Most Alcea plants have a spread of 1 to 2 feet, referring to the width of the plant's foliage.
    • Factors affecting spread: Spacing between plants, soil fertility, and moisture can influence how wide a hollyhock plant grows.

    Flower Size:

    • Flower diameter: Hollyhock flowers are renowned for their large size, typically ranging from 3 to 6 inches in diameter.
    • Single vs. double blooms: Single blooms have a single row of petals, while double blooms have multiple layers, creating a fuller, more voluminous appearance.

    Overall Size Considerations:

    • Giant hollyhocks: Some varieties can reach impressive heights of up to 10 feet or more under ideal conditions.
    • Environmental factors: Sunlight, water availability, and soil quality play a significant role in determining the overall size and vigor of Alcea plants.
    • To give you a better idea of specific sizes, here are a few examples:
    • Alcea rosea 'Chater's Double': Reaches 6 to 8 feet tall with double blooms in various colors.
    • Alcea rosea 'Fiesta Time': A dwarf variety that grows 2.5 to 3 feet tall with double blooms.
    • Alcea ficifolia: Can grow up to 7 feet tall with large, single blooms.

    Remember that these are just general guidelines. The ultimate size of your Alcea plants will depend on the specific cultivar, growing conditions, and care they receive.

    Planting Alcea, or hollyhocks, can be a rewarding experience, adding their vibrant blooms and majestic height to your garden. Here is a guide to help you do it right:

    Choosing the right time:

    • ·Spring: Ideal for most regions, especially after the last frost, allows plants to establish before winter stress.
    • ·Fall: Possible in warmer climates with mild winters, but ensure they are established before significant freezing occurs.

    Location and soil:

    • ·Sunlight: Hollyhocks thrive in full sun, receiving at least 6-8 hours of direct sunlight daily.
    • ·Soil: Well-draining soil is crucial. Amend heavy clay with compost, sand, or perlite to improve drainage. Aim for a pH between 6.0 and 7.0.

    Planting process:

    • ·Dig holes slightly larger than the pot size. Gently remove seedlings from pots, loosen roots, and place them in holes. Fill in with soil, firm gently, and water deeply.
    • ·Spacing: Maintain adequate spacing based on variety. Common hollyhocks need around 2-3 feet between plants, while smaller varieties might require only 1-2 feet.

    Post-planting care:

    • ·Watering: Water regularly, especially during the first year and hot weather, maintaining moist soil but avoiding waterlogging.
    • ·Mulching: Apply a layer of mulch around the base of the plants to retain moisture, suppress weeds, and regulate soil temperature.
    • ·Staking: Taller varieties may need staking for support, especially in windy locations.
    • ·Fertilizing: Light feeding with a balanced fertilizer once or twice during the growing season can be beneficial, but avoid over-fertilizing.
    • ·Deadheading: Removing spent blooms encourages further flowering and prolongs the blooming season.

    Additional tips:

    • ·Choose disease-resistant varieties adapted to your local climate.
    • ·Rotate planting locations every few years to prevent soil-borne diseases.
    • ·Protect young plants from slugs and snails.
    • Enjoy the stunning blooms and attract pollinators like bees and butterflies!

    With proper care and attention, your Alcea will grace your garden with its towering beauty and vibrant blooms for seasons to come. Remember, patience is key, as hollyhocks may not bloom profusely in their first year. Happy planting!

    The world of Alcea, or hollyhocks, offers a delightful variety beyond the classic tall pink blooms! From single to double flowers, vibrant colors to delicate pastels, here is a peek into the diverse tapestry of hollyhock varieties:

    Color Charmers:

    • ·Apricot Blush: This variety stuns with soft apricot-pink double flowers, adding a delicate touch to your garden.
    • ·Charters Double Red: For a bold statement, choose Charters Double Red with its striking double blooms in a fiery red hue.
    • ·Sunset Flare: Paint your garden with the warm glow of Sunset Flare, featuring single yellow flowers with red centers.
    • ·Nigra: Embrace the dark side with Nigra, boasting single, deep burgundy flowers that stand out against any backdrop.
    • ·White Swan: Let White Swan add a touch of elegance with its pure white, double blooms, perfect for a serene and graceful look.

    Size Savvy:

    • ·Chater's Double: This classic choice reaches a majestic 6-8 feet, its double flowers available in a rainbow of colors like red, pink, yellow, and white.
    • ·Halo Series: This series offers a compact option (around 4-5 feet) with stunning single flowers featuring contrasting-colored centers, like the Halo Raspberry with its raspberry petals and yellow hearts.
    • ·Indian Spring: Another shorter variety (around 3-5 feet), Indian Spring is known for its prolific blooming, displaying single flowers in shades of pink, white, and yellow.
    • ·Siberian Hollyhock (Alcea rugosa): This cold-hardy option (up to three feet) blooms with cheerful yellow flowers with maroon markings, ideal for colder climates.

    Form Fantastic:

    • ·Indian Spring Mixed: Embrace the surprise with Indian Spring Mixed, offering a blend of single and semi-double blooms in various shades of pink, white, and yellow.
    • ·Double Black Night: This unique variety boasts double, deep purple flowers with velvety black centers, adding a touch of mystery to your garden.
    • ·Antwerp Fig Leaf: Break the mold with Antwerp Fig Leaf, featuring deeply lobed leaves resembling fig leaves and single, pale-yellow flowers.

    Research the specific needs of each variety, as some may require more sun, staking, or specific soil conditions. Enjoy the endless possibilities and mix and match different varieties to create a unique and vibrant hollyhock haven in your garden!

    No matter your preference, there is an Alcea variety waiting to bring its charm and beauty to your space. So, explore, experiment, and let your hollyhocks add a touch of magic to your green oasis!

    Taking care of your Alcea, or hollyhocks, is not too demanding, but following these key steps will ensure their majestic blooms and sturdy presence grace your garden for years to come:

    Sun and Soil:

    • ·Sun: Hollyhocks bask in the sun! Aim for at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
    • ·Soil: Well-draining soil is crucial. Heavy clay? Do not fret! Amend it with compost, sand, or perlite to ensure water does not stagnate. A pH between 6.0 and 7.0 is ideal.

    Watering and Mulching:

    • ·Watering: Keep the soil consistently moist, especially during their first year and scorching summers. Water deeply but avoid soggy conditions.
    • ·Mulching: Spread a layer of organic mulch around the base to retain moisture, suppress weeds, and regulate soil temperature.
    • Staking and Feeding:
    • ·Staking: Taller varieties, especially in windy locations, appreciate the support of stakes. Consider using discreet bamboo canes or metal hoops.
    • ·Fertilizing: A light feeding with a balanced fertilizer once or twice during the growing season can be beneficial but avoid overdoing it.
    • Deadheading and Winter Care:
    • ·Deadheading: Pinching off spent blooms encourages further flowering and prolongs the season. Go ahead, embrace the deadheading dance!
    • ·Winter care: Cut back stems to ground level after the first frost in colder climates. In milder areas, leave the dry stalks standing for winter interest.

    Additional Tips:

    • ·Choose disease-resistant varieties suited to your local climate.
    • ·Rotate planting locations every few years to prevent soil-borne diseases.
    • ·Protect young plants from slugs and snails.
    • ·Enjoy the vibrant blooms and attract pollinators like bees and butterflies!
    • Bonus: If you are feeling adventurous, try collecting seeds from your hollyhocks! Let the dried seed heads sit until brown, then harvest and store them for spring planting.

    With these simple care tips, your Alcea will stand tall and proud in your garden, highlighting their captivating blooms and enchanting your outdoor space. Happy hollyhocking!

    Alcea, or hollyhocks, are delightful magnets for a diverse parade of pollinators, adding life and buzz to your garden beyond their own stunning beauty. Here is how they woo their winged friends:

    Hollyhocks produce copious amounts of sweet nectar, a delicious reward for pollinators like bees, butterflies, and hummingbirds. Their vibrant blooms in shades of red, pink, yellow, and white act as beacons, attracting pollinators with their visual cues. The large, open flowers provide ample landing space and make accessing the nectar a breeze for even the clumsiest bumblebee.

    • Bee Bonanza: Honeybees adore hollyhocks, especially double-flowered varieties with extra petals packed with nectar.
    • Butterfly Ballet: Monarch butterflies find refuge and nourishment in hollyhocks, particularly those with long tongues reaching deep into the nectar-filled blooms.
    • Hummingbird Haven: The tubular shape of some hollyhock flowers is perfectly suited for the long beaks of hummingbirds, who hover gracefully to sip the sweet nectar.
    • Pollen Power: As pollinators flit from flower to flower, they transfer pollen, ensuring the reproduction of these magnificent plants.
    • Ecosystem Boost: Attracting pollinators creates a thriving ecosystem, benefiting other plants and the overall health of your garden.

    Tips for a Pollinator Paradise:

    • ·Plant a variety of hollyhocks with different bloom times to provide a continuous feast for pollinators throughout the season.
    • ·Combine hollyhocks with other pollinator-friendly plants like lavender, coneflowers, and zinnias for a vibrant and buzzing haven.
    • ·Avoid using pesticides harmful to pollinators, ensuring their safe haven in your garden.

    So, open your garden to the wonders of Alcea! Let their blooms become a buzzing canvas, attracting a symphony of pollinators, and enriching your outdoor space with life, color, and the joy of nature's delicate balance. Remember, your Alcea are not just stunning plants; they are also vibrant ambassadors of our interconnected ecosystem, and with a little care, you can turn your garden into a haven for these vital pollinators. Happy pollinator paradise creation!

    Unfortunately, even Alcea is not immune to the challenges of pests and diseases. While generally low-maintenance, knowing these potential threats can help you keep your hollyhocks happy and healthy:

    Pests:

    • ·Japanese Beetles: These metallic green beetles feast on foliage, leaving behind ragged holes. Handpicking, traps, or insecticidal soap can be used for control.
    • ·Aphids: These tiny sap-suckers can cause wilting and distorted leaves. Insecticidal soap or neem oil can help control an infestation.
    • ·Slugs and Snails: These slimy creatures munch on young leaves and seedlings. Physical barriers, diatomaceous earth, or beer traps can deter them.

    Diseases:

    • ·Rust: This fungal disease causes orange-brown pustules on leaves and stems. Fungicides can help with prevention, and infected leaves should be removed.
    • ·Leaf spots: Fungal or bacterial leaf spots appear as brown or black spots on leaves. Remove affected leaves and practice good sanitation to prevent spread.
    • ·Botrytis Blight: This fungal disease thrives in humid conditions and causes browning and wilting of flowers and stems. Avoid overhead watering and improve air circulation.

    Tips for preventing pests and diseases:

    • ·Choose disease-resistant varieties.
    • ·Plant in well-draining soil and avoid overwatering.
    • ·Practice good sanitation, removing and disposing of infected plant material.
    • ·Encourage airflow by spacing plants adequately.
    • ·Monitor your plants regularly for signs of pests and diseases.

    By keeping an eye out for these potential threats and taking proactive measures, you can ensure your Alcea thrive and continue to grace your garden with their majestic blooms. Remember, an ounce of prevention is worth a pound of cure, so a little vigilance can go a long way in maintaining the health and beauty of your hollyhocks. Happy hollyhocking!

    Alcea, or hollyhocks, can be a stunning and unexpected addition to your floral arrangements, adding height, drama, and a touch of rustic charm. However, there are a few things to consider before incorporating these beauties into your designs:

    • ·Variety Matters: Not all Alcea are created equal when it comes to floral arrangements. Tall, single-flowered varieties like Chater's Double or Halo Series offer bold statements, while shorter selections like Indian Spring or the delicately lobed Antwerp Fig Leaf add textural contrast. Choose varieties based on the overall theme and style of your arrangement.
    • ·Preparation is Key: Hollyhock stems can be tough and fibrous, so handle them with care. Wear gloves to protect your hands from any prickles and use sharp pruners to cut the desired sections. Searing the edges of the leaves with a lighter can soften them and prevent unraveling.
    • ·Placement, Placement, Placement: The key to using Alcea effectively lies in strategic placement. Their tall, upright structure makes them ideal for adding height and dimension to the back or sides of an arrangement. You can also incorporate smaller pieces within the floral clusters for texture and contrast. Do not be afraid to experiment with different angles and combinations!
    • ·Durability Demands Consideration: Unlike delicate flowers, Alcea leaves have exceptional longevity and can easily last for several weeks in an arrangement. However, they dry out over time, so consider using floral preservatives or hairspray to prolong their freshness.
    • ·Safety First: Remember, even processed Alcea leaves can be stiff and potentially scratchy. Be mindful of their placement to avoid any unintentional injuries, especially when handling larger arrangements.

    Here are some creative ideas for incorporating Alcea into your floral arrangements:

    • ·Combine Alcea with other rustic beauties like sunflowers, daisies, and wildflowers for a charming, cottage-inspired arrangement.
    • ·Pair Alcea's bold blooms with delicate flowers like lilies or orchids for a striking contrast in texture and form.
    • ·Use Alcea leaves as a base or backdrop for your arrangement, framing the other flowers for a dramatic effect.
    • ·Cut Alcea leaves into smaller pieces and incorporate them into bouquets or boutonnieres for a unique touch.
    • ·Experiment with assorted colors and textures of Alcea leaves to create visually interesting arrangements.

    With a little creativity and awareness, Alcea can become a surprising and versatile element in your floral designs. So, embrace their rustic charm and let these tall beauties add a touch of the wild to your next floral creation! Happy arranging!

    Whether Alcea, or hollyhocks, are invasive depends on the specific species and the environment where they are growing. While some Alcea species can be highly invasive and disrupt ecosystems, others are not particularly aggressive and can even be beneficial. Here is a breakdown:

    Invasive Alcea Species:

    • ·Common Hollyhock (Alcea rosea): This popular ornamental can become invasive in warm, arid climates like California and Australia. It spreads readily through vegetative reproduction, forming dense colonies that displace native plants and disrupt natural habitats.
    • ·Sisal Agave (Agave sisalana): While not technically part of the Alcea genus, it is often confused with hollyhocks. This agave, cultivated for its fibers, can also become invasive if not managed properly. It can escape from plantations and spread into natural areas, posing a threat to biodiversity.

    Non-Invasive Alcea Species:

    • ·Queen Victoria Agave (Agave victoriae-reginae): This stunning Alcea grows slowly and rarely produces offsets, making it unlikely to become invasive.
    • ·Alcea rugosa (Siberian Hollyhock): This species is native to Siberia and is more cold-hardy than the common hollyhock. It does not readily spread in most climates.

    Factors to Consider:

    • ·Climate: Alcea species are generally adapted to dry, warm climates. In these conditions, they are more likely to thrive and potentially become invasive.
    • ·Habitat: Agaves are more likely to become invasive in disturbed habitats with poor soil conditions, where they can easily establish themselves and outcompete native plants.
    • ·Management: Properly managing Alcea populations, including responsible planting and regular removal of unwanted pups, can help prevent them from becoming invasive.

    It is crucial to research the specific Alcea species you plan to plant before adding it to your garden. Consider your local climate, habitat type, and ability to manage potential spread. Responsible planting and careful management are essential to ensure that these captivating plants do not become unwanted guests in your environment.

    If you are unsure about the invasiveness of a particular Alcea species, consult with your local extension service or botanical garden for guidance. They can provide specific information based on your region and help you choose non-invasive varieties to enjoy in your garden.

    Remember, responsible gardening requires considering the potential impact of plants on local ecosystems. By making informed choices, we can all contribute to protecting our environment and maintaining biodiversity. Happy and responsible gardening!

    Dividing Alcea, or hollyhocks, can be a rewarding way to propagate your beloved plants and share their beauty with others. However, timing is crucial for success. Here is a guide to help you choose the best time to divide your Alcea:

    Climate:

    • ·Warm climates: In regions with mild winters and no frost, you can divide Alcea almost any time of year. However, spring (after the last frost) or early summer are often considered ideal, allowing the divisions sufficient time to establish before cooler temperatures arrive.
    • ·Cold climates: If you experience freezing temperatures, wait until the threat of frost has passed before dividing your Alcea. Early spring or even early fall can be good options, ensuring enough warm weather for the divisions to root and grow before winter.

    Species:

    • ·Fast-growing Alcea: These varieties like the Common Hollyhock (Alcea rosea) can be divided more frequently, even twice a year in warm climates.
    • ·Slow-growing Alcea: Species like the Queen Victoria Hollyhock (Alcea victoriae-reginae) should be divided less often, typically every few years or whenever they become overcrowded.

    Plant health:

    • ·Healthy plants: Divide only healthy, mature Alcea that are actively growing and have produced pups or offsets. Avoid dividing stressed or weak plants as they may not recover well from the process.
    • ·Blooming Alcea: Ideally, avoid dividing plants just before or during blooming, as this can divert energy from flower production and potentially weaken the plant.

    Other factors:

    • ·Local weather patterns: Consider any unusual weather patterns or potential extremes in temperature or rainfall that might impact the success of dividing your Alcea.
    • ·Personal preference: Ultimately, the best time to divide your Alcea is when it suits your schedule and circumstances. If you are unsure, it is always best to err on the side of caution and wait until conditions are optimal.

    General tips for dividing Alcea:

    • ·Water the Alcea plant thoroughly a few days before dividing.
    • ·Use a sharp knife or spade to carefully separate the pups or offsets from the mother plant.
    • ·Remove any excess soil from the roots of the divisions.
    • ·Plant the divisions in well-draining soil, ensuring the crown sits at or slightly above the soil level.
    • ·Water the newly planted divisions deeply and continue to water regularly until they are established.

    By following these guidelines and choosing the right time for your climate and specific Alcea variety, you can successfully divide your plants and enjoy their majestic blooms for years to come. Remember, patience is key, as hollyhocks may not reach their full potential in their first year after division. Happy dividing!

    Alcea, commonly known as hollyhocks, are generally easy to grow and thrive in a variety of conditions. However, providing them with ideal conditions will reward you with the most vigorous growth and abundant blooms.

    Ideal Conditions:

    • Sunlight: Full sun is best, meaning at least 6 hours of direct sunlight per day. They can tolerate some light shade, especially in hotter climates.
    • Soil: Fertile, well-drained soil is crucial. While they can tolerate various soil types, rich loam amended with organic matter is ideal. Good drainage is essential to prevent root rot, particularly during winter.
    • Moisture: Hollyhocks prefer consistently moist soil, but they do not like to be waterlogged. Water regularly, especially during dry periods, but avoid overwatering.
    • Spacing: Space plants about 1 to 2 feet apart to ensure good air circulation and prevent diseases.

    Care:

    • Watering: Water deeply and regularly, especially during dry spells. Water at the base of the plant to avoid wetting the foliage, which can contribute to fungal diseases.
    • Fertilizing: Fertilize lightly in spring with a balanced fertilizer. Avoid over-fertilization, as it can lead to excessive foliage growth at the expense of flowers.
    • Staking: Taller varieties may require staking to prevent them from toppling over in strong winds. Use sturdy stakes and soft ties to support the stems.
    • Deadheading: Remove faded flowers to encourage more blooms and prevent self-seeding, if desired.
    • Pest and Disease Control: Monitor plants for pests like Japanese beetles and diseases like rust. Take appropriate measures, such as handpicking pests or applying organic treatments, if necessary.  
    • Winter Protection: In colder climates, mulch around the base of the plants in late fall to protect the roots from freezing temperatures.

    Additional Tips:

    • Planting Time: Sow seeds in late spring or early summer for blooms the following year. You can also start seeds indoors 6-8 weeks before the last frost.
    • Mulching: Apply a layer of organic mulch around the plants to help retain moisture, suppress weeds, and improve soil fertility.
    • Rust Prevention: Choose rust-resistant varieties and ensure good air circulation to minimize the risk of this common fungal disease.

    By following these guidelines, you can create the ideal conditions for your Alcea plants to flourish and provide you with a stunning display of their beautiful blooms.