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    • Rudbeckia

    rudbeckia-fulgida-goldsturm-.jpgRudeckia (rud-bek-ee-uh) coneflower, black-eye susan, brown-eye susan; Asteraceae Family. Annual, biennial and perennial plants, Rudeckia are native to North America. Though coarse in habit, they are sturdy and especially useful for their August and September bloom. Good in the border, the wild garden or the cutting garden. All the species have raised, cone-like, dark centers, and some have two colored petals. 

    Rudbeckias are easily grown in average, dry to medium, well-drained soils. For the most blooms, plants prefer full sun and consistent moisture, though established plants have some drought tolerance. Remove spent flowers to encourage additional bloom. Rudbeckias are very easy to divide in the spring.

    Attributes: Border plants, Container, Cut flower, Mass Planting, Easy to grow. Attracts butterflies and songbirds.

    • Rudbeckia fulgida Goldsturm 25 BR Plants Rudbeckia fulgida Goldsturm 25 BR Plants

      Rudbeckia

      Rudbeckia f. 'Goldsturm' (25) BR Plants

      Rudbeckia fulgida 'Goldsturm' (25) Bare Root Plants Common Name: Black-Eyed Susan, Coneflower. Black Eyed Susans have a long season of bloom and a sturdy, upright habit, Bright gold petals with a deep brown cone highlights the garden in late...

      $204.55
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    • Rudbeckia fulgida Goldsturm 3.5 inch pot Rudbeckia fulgida Goldsturm 3.5 inch pot

      Rudbeckia

      Rudbeckia f. 'Goldsturm' (3.5 inch pot)

      Rudbeckia fulgida 'Goldsturm' (3.5-inch pot)Common Name: Black-Eyed Susan, Coneflower. Bright gold petals with a deep brown cone highlights the garden in late summer. 'Goldsturm' is a long-blooming, low maintenance perennial. Disease and pest...

      $4.74
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    • Rudbeckia fulgida Goldsturm 30ct Flat Rudbeckia fulgida Goldsturm 30ct Flat

      Rudbeckia

      Rudbeckia f. 'Goldsturm' (30)ct Flat

      Rudbeckia fulgida 'Goldsturm' (30)ct Flat Common Name: Black-Eyed Susan, Coneflower. Bright gold petals with a deep brown cone highlights the garden in late summer. 'Goldsturm' is a long-blooming, low maintenance perennial. Disease and pest...

      $179.77
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    Rudbeckia is a genus of flowering plants in the aster family, known for their cheerful, daisy-like flowers with prominent central cones. They are commonly called coneflowers or black-eyed Susans.

    Key characteristics:

    • Appearance: Rudbeckia flowers are known for their cheerful, daisy-like appearance. The flower head consists of a central cone, which can be black, brown, or green, surrounded by bright yellow or orange petals. The leaves are typically hairy and lance-shaped.
    • Diversity: The genus Rudbeckia encompasses a variety of species and cultivars, each with its own unique characteristics. Some species, like Rudbeckia hirta, are short-lived perennials, while others, such as Rudbeckia fulgida, are long-lived perennials.
    • Native habitat: Rudbeckia species are native to North America, where they can be found in a variety of habitats, including prairies, meadows, and open woodlands.
    • Growing conditions: Rudbeckia are relatively easy to care for and thrive in full sun and well-drained soil. They are also drought-tolerant, making them a good choice for gardens in areas with low rainfall.
    • Uses: Rudbeckia are popular garden plants, valued for their long blooming season and ability to attract pollinators like bees and butterflies. They are also good cut flowers and can be used in dried arrangements.

    Rudbeckia fulgida: A Beacon of Summer

    Rudbeckia fulgida, commonly known as Black-eyed Susan or Orange Coneflower, is a vibrant herbaceous perennial native to the eastern United States. The species name “fulgida” means “shining,” reflecting its lustrous yellow ray florets.

    Growing Conditions

    This hardy plant thrives in a variety of conditions, from full sun to partial shade, and is remarkably tolerant of heat, humidity, and drought. It spreads through underground rhizomes, forming dense clumps that can be easily propagated by division in spring or fall. Additionally, it can be grown from seed.

    Appearance

    With its cheerful, daisy-like flowers featuring a brownish-purple center, Black-eyed Susan adds a burst of color to gardens from early summer to fall. It can reach heights of 2 to 3 feet and boasts a rosette of basal leaves that persist through the winter, providing visual interest even during the colder months. To support wildlife, consider leaving the seed heads intact to serve as a food source for birds.

    Cultivation and Uses

    Rudbeckia fulgida is a versatile plant with numerous applications in the garden. It is ideal for perennial beds, borders, pollinator gardens, naturalized areas, and as a backdrop for other plants. While staking may be necessary for plants with particularly large flower heads, most cultivars are relatively self-supporting.

    Insects, Diseases, and Other Problems

    This species is generally resistant to pests and diseases, making it a low-maintenance choice for gardeners. However, some cultivars may exhibit susceptibility to leaf spot or southern blight. Regular monitoring and appropriate care can help mitigate these issues.

    Characteristics:

    • Appearance: Produces bright yellow-orange flowers with a prominent dark brown central cone. The petals typically have a slightly drooping or reflexed appearance. The plant has a bushy growth habit with sturdy stems and lance-shaped leaves covered in bristly hairs.
    • Size: Reaches a height of 2 to 3 feet with a spread of 2 to 2.5 feet.
    • Bloom Time: Flowers from mid-summer to fall (July to October).
    • Native Habitat: Found in eastern North America, thriving in open woods, meadows, and prairies.

    Growing Conditions:

    • Light: Prefers full sun but tolerates some light shade.
    • Soil: Adaptable to various soil types but prefers well-drained soil.
    • Moisture: Tolerates both dry and moist conditions, but consistent moisture is beneficial for young plants.
    • Maintenance: Easy to grow and relatively low-maintenance. Deadheading spent flowers can prolong the bloom period.

    Benefits and Uses:

    • Pollinator-friendly: Attracts bees, butterflies, and other pollinators.
    • Wildlife Value: Seeds provide food for birds.
    • Ornamental Value: Popular in gardens for its vibrant color and long bloom time. Suitable for borders, cottage gardens, meadows, and naturalized areas.
    • Cut Flowers: Makes excellent cut flowers for bouquets.

    Additional Notes:

    • Rudbeckia fulgida is a variable species with numerous varieties and cultivars available, offering a range of sizes and flower forms.
    • It is generally deer and rabbit resistant.
    • No serious insect or disease problems are associated with this plant.

    If you are considering adding Rudbeckia fulgida to your garden, it is a wonderful choice for a low-maintenance, pollinator-friendly plant that provides long-lasting color.

    Rudbeckia are native to North America and can be found in a variety of habitats across the continent. Here's a general overview:

    Eastern and Central North America: This region is the heartland of many Rudbeckia species, including the beloved black-eyed Susan (Rudbeckia hirta). These cheerful flowers thrive in meadows, prairies, and open woodlands stretching from Massachusetts to Wyoming and south to Florida and New Mexico. They are particularly abundant in the Midwest and Great Plains, where their bright yellow petals add a splash of color to the landscape.

    Southeastern United States: The southeastern states, from South Carolina to Texas, have their own unique Rudbeckia species, such as Rudbeckia hirta var. angustifolia. These plants are well-adapted to the warmer, more humid climate of the region, and they can often be found growing along roadsides, in fields, and in open woodlands.

    Florida: The Sunshine State boasts its own distinct variety of Rudbeckia, Rudbeckia hirta var. floridana. This variety is well-suited to the state's subtropical climate and can be found in a variety of habitats, including coastal dunes, scrub, and pine flatwoods.

    Western North America: While less common in the West, some Rudbeckia species can be found in western states like California, Oregon, and Washington. These species tend to be more localized in their distribution, often occurring in specific microhabitats such as rocky slopes, stream banks, and meadows. They may also be found in higher elevations, where they can tolerate colder temperatures and shorter growing seasons.

    Factors influencing distribution:

    • Soil type: Rudbeckia generally prefer well-drained soils, but they can tolerate a range of soil types, from sandy to clay.
    • Moisture levels: While drought-tolerant, they still need some moisture, especially during establishment.
    • Sunlight: Most Rudbeckia thrive in full sun, but some species can tolerate partial shade.
    • Disturbance: Many Rudbeckia species are pioneer plants, meaning they are often found in disturbed areas like roadsides and old fields.

    Beyond the native range:

    Rudbeckia's popularity as a garden plant has led to its introduction in many other parts of the world. They are now grown in gardens throughout Europe, Asia, and other regions.

    If you're interested in learning more about the specific native range of a particular Rudbeckia species, I can help with that too! Just let me know which species you're curious about.

    Here is a breakdown of its taxonomy:

    • Kingdom: Plantae (Plants)
      • Clade: Tracheophytes (Vascular plants) - They have specialized tissues for conducting water and nutrients.
      • Clade: Angiosperms (Flowering plants) - They reproduce via flowers and produce seeds enclosed in fruits.
      • Clade: Eudicots - A major lineage of flowering plants characterized by having two seed leaves (cotyledons).
      • Clade: Asterids - A large and diverse group of eudicots, including many familiar plants like sunflowers, tomatoes, and coffee.
      • Order: Asterales - This order is defined by having flower heads composed of many small florets (like in daisies and sunflowers).
      • Family: Asteraceae (Aster or Sunflower family) - One of the largest plant families, characterized by composite flower heads.
      • Genus: Rudbeckia - This genus includes the coneflowers and black-eyed Susans.

    Important Note: The Asteraceae family is incredibly diverse. To be more specific, Rudbeckia fulgida belongs to the subtribe Helianthinae within the tribe Heliantheae. This subtribe includes sunflowers (Helianthus) and other closely related genera.

    This taxonomic classification helps us understand the evolutionary relationships between Rudbeckia and other plants. It shows that it is closely related to other members of the Asteraceae family, sharing characteristics like the composite flower head structure.

    The morphology of Rudbeckia—those fascinating features that make this genus so distinctive!

    Overall Form

    • Herbaceous: Rudbeckia plants are non-woody, meaning their stems are green and relatively soft.
    • Habit: Most are perennial (living for several years), but some are annual (completing their life cycle in one year) or biennial (taking two years).
    • Height: Varies greatly depending on the species, ranging from compact varieties less than a foot tall to giants reaching over 3 meters (10 feet)!
    • Stems: Usually erect and can be simple or branched. They are often covered in hairs (pubescent) which can be rough to the touch.

    Leaves

    • Arrangement: Leaves are typically arranged alternately along the stem (one leaf per node).
    • Shape: Highly variable! They can be simple and lance-shaped, or deeply lobed, sometimes even pinnate (divided into leaflets).
    • Margins: Leaf edges can be smooth, toothed, or lobed.
    • Surface: Often rough or hairy, contributing to their texture.

    Flowers

    • Inflorescence: The most striking feature is the characteristic composite flower head, typical of the Asteraceae family. This structure is actually made up of many tiny individual flowers called florets.
      • Ray Florets: These are the 'petals' we typically associate with the flower. They are sterile (not involved in reproduction) and function to attract pollinators. In Rudbeckia, they are usually yellow or orange, and often have a drooping or reflexed appearance.
      • Disc Florets: These are the tiny, tightly packed flowers in the central cone or 'eye' of the flower head. They are fertile and responsible for producing seeds. In Rudbeckia, the disc florets are typically dark brown to black, giving rise to the common name "black-eyed Susan."
    • Flower Color and Form: The color and shape of the flower head can vary greatly within the genus. Some species have bright yellow ray florets with a dark brown or black central cone, while others have orange or even red ray florets. The size and shape of the flower head can also vary, from small and compact to large and showy.
    • Flowering Time: Most Rudbeckia species bloom in the summer and fall, providing a welcome burst of color in the late garden season. Some species, such as Rudbeckia hirta (Black-eyed Susan), are known for their long bloom period, which can last for several weeks.
    • Pollination: Rudbeckia flowers are pollinated by a variety of insects, including bees, butterflies, and flies. The bright colors and nectar-rich flowers of Rudbeckia make them attractive to pollinators, and the pollen-rich disc florets provide a valuable food source for bees and other insects.

    Fruits and Seeds

    • Fruit Type: An achene, a small, dry, one-seeded fruit that does not split open.
    • Seed Dispersal: Seeds are primarily dispersed by wind or by birds that feed on them.

    Roots

    • Rhizomes: Many Rudbeckia species spread via rhizomes, which are underground stems that allow the plant to form colonies.
    • Taproots: Some species have taproots, which are thick, fleshy roots that store nutrients and help the plant survive harsh conditions.
    • Fibrous Roots: Other species have fibrous roots, which are a mat of thin, branching roots that help the plant absorb water and nutrients from the soil.

    Variations

    It is important to remember that there is a lot of diversity within the Rudbeckia genus. The morphology can vary significantly between species and even between cultivars within a species. This diversity is evident in several key areas:

    • Growth habit: Some species are compact and clump-forming, while others are tall and upright. Some spread vigorously via rhizomes, while others remain more localized.
    • Leaf shape and texture: Leaf shape can range from simple and lance-shaped to deeply lobed or even pinnate. Leaf texture can be smooth, rough, or hairy, and some species have leaves with a glaucous (bluish-green) cast.
    • Flower size and color: Flower size can vary from small and dainty to large and showy. Ray floret color can range from bright yellow to orange or even red. The central cone can be black, brown, or green, and some species have a cone that is raised and prominent, while others have a flat or even sunken cone.
    • Bloom time: Some species bloom early in the summer, while others bloom later in the season. Some species have a long bloom period, while others bloom for a shorter time.

    This variation in morphology makes Rudbeckia a versatile genus that can be used in a variety of garden settings. Whether you are looking for a low-growing groundcover, a tall and showy border plant, or a pollinator-friendly wildflower, there is a Rudbeckia species or cultivar that is perfect for you.

    Cultivating Rudbeckia is generally a straightforward process, as they are known for being tough and adaptable plants. Here is a guide to help you successfully grow these cheerful flowers:

    Choosing the Right Location

    Rudbeckia thrives in sunny locations with at least 6 hours of direct sunlight per day. While they can tolerate some light shade, full sun exposure is ideal for optimal flowering.

    The soil type is not a major concern for Rudbeckia, as they are adaptable to a wide range of conditions. However, they prefer well-draining soil to prevent root rot, which can occur in constantly wet or soggy soil. If your soil is heavy clay or poorly draining, consider amending it with compost or other organic matter to improve drainage and fertility.

    The spacing between Rudbeckia plants will depend on the specific variety and its mature size. Smaller varieties typically require a spacing of 1 to 2 feet, while larger varieties may need 2 to 3 feet of space between plants. This spacing allows for adequate air circulation and prevents overcrowding, which can lead to disease problems.

    2. Starting from Seed

    • Indoors: Start seeds indoors 6-8 weeks before the last expected frost. Sow seeds in seed trays filled with a seed-starting mix, barely covering them with soil. Keep the soil moist and provide a warm environment (around 70°F or 21°C).
    • Outdoors: You can also sow seeds directly outdoors after the last frost. Prepare the soil by removing weeds and amending with compost. Scatter seeds thinly and lightly cover with soil.

    3. Planting

    • Hardening Off: If you started seeds indoors, harden off the seedlings before planting them outside. This involves gradually acclimating them to outdoor conditions over a week or two.
    • Planting Time: Plant seedlings or divisions in spring or fall.
    • Planting Depth: Plant at the same depth they were growing in their pots.
    • Watering: Water well after planting to help them establish.

    4. Ongoing Care

    • Watering: Water regularly, especially during dry periods. Once established, Rudbeckia can tolerate some drought, but consistent moisture promotes better growth and flowering.
    • Fertilizing: While not always necessary, you can apply a balanced fertilizer in spring to encourage vigorous growth.
    • Deadheading: Remove faded flowers to encourage more blooms and prevent self-seeding (if desired).
    • Staking: Taller varieties may need staking to prevent them from flopping over, especially in windy conditions.
    • Dividing: Divide perennial Rudbeckia every 3-4 years to maintain plant vigor and prevent overcrowding. Do this in spring or fall.
    • Pests and Diseases: Rudbeckia is generally pest and disease resistant. However, they can occasionally be affected by powdery mildew, especially in humid conditions. Ensure good air circulation and avoid overhead watering to minimize this problem.

    5. Overwintering

    • Mulching: In colder climates, apply a layer of mulch around the base of the plants in fall to help protect the roots over winter.
    • Cutting Back: Cut back the foliage to the ground in late fall or early spring after it has died back.

    Extra Tips

    • Pinching: Pinch back young plants to encourage bushier growth.
    • Succession Planting: For continuous blooms, sow seeds or plant seedlings at intervals throughout the spring.
    • Cultivar Selection: Choose cultivars that are well-suited to your climate and garden conditions.

    With proper care, your Rudbeckia plants will reward you with an abundance of vibrant blooms that brighten your garden and attract pollinators.

    Spring

    • March - April:
      • Start seeds indoors: If starting from seed, sow indoors 6-8 weeks before the last expected frost.
      • Divide perennials: Divide established clumps every 3-4 years to maintain vigor.
      • Clean up: Remove any winter mulch and debris from around the plants.
    • May:
      • Harden off seedlings: Gradually acclimate seedlings started indoors to outdoor conditions.
      • Plant: Transplant seedlings or divisions into the garden after the last frost.
      • Fertilize: Apply a balanced fertilizer to encourage growth.
      • Pinch: Pinch back young plants to promote bushier growth.

    Summer

    • June - August:
      • Water: Water regularly, especially during dry periods.
      • Deadhead: Remove faded flowers to encourage more blooms and prevent self-seeding.
      • Stake: Stake tall varieties if necessary to prevent flopping.
      • Monitor for pests and diseases: Watch for signs of powdery mildew or other issues.

    Fall

    • September - October:
      • Continue deadheading: Prolong the bloom period by removing spent flowers.
      • Leave seed heads: If desired, leave some seed heads for birds to enjoy and for natural reseeding.
    • November:
      • Cut back foliage: Cut back the foliage to the ground after it has died back.
      • Mulch: Apply a layer of mulch around the base of the plants to protect the roots over winter.

    Winter

    • December - February:
      • Limited care: Rudbeckia is dormant during the winter months. No active care is generally needed.

    Important Notes:

    • This calendar is a general guideline. Adjust the timing based on your specific climate and the needs of your plants.
    • Always refer to the care instructions for specific Rudbeckia varieties, as some may have slightly different requirements.
    • Keep an eye on your plants throughout the year and address any issues promptly to ensure their health and vitality.

    By following this calendar of care, you can help your Rudbeckia plants thrive and provide you with a beautiful display of color year after year.

    Rudbeckia is a large genus, and navigating the species, varieties, and cultivars can be tricky. Here is a breakdown to help you understand the differences:

    1. Species

    This is the basic unit of classification. Rudbeckia has about 20-30 recognized species. Here are some of the most common and garden-worthy:

    • Rudbeckia hirta (Black-eyed Susan): Often the first to come to mind! This species includes both annual and biennial types, with the classic yellow-orange rays and dark brown center. It is highly variable in the wild.
    • Rudbeckia fulgida (Orange Coneflower): Known for its long bloom time and vibrant orange-yellow flowers. 'Goldsturm' is a hugely popular cultivar of this species.
    • Rudbeckia triloba (Brown-eyed Susan): Similar to R. hirta but typically has smaller flowers and a more branching habit. It is often a biennial.
    • Rudbeckia laciniata (Cutleaf Coneflower): Tall with deeply divided leaves and large, often drooping, yellow flowers. 'Goldquelle' is a popular cultivar.
    • Rudbeckia maxima (Great Coneflower): Statuesque with large, gray-green leaves and tall stems topped with yellow flowers. A bold architectural plant.
    • Rudbeckia subtomentosa (Sweet Coneflower): Features fragrant foliage and yellow flowers with slightly drooping rays.

    2. Varieties (botanical)

    Within a species, there can be naturally occurring variations that are distinct enough to be classified as varieties (sometimes called subspecies). These are denoted with "var." after the species name. For example:

    • Rudbeckia fulgida var. fulgida
    • Rudbeckia fulgida var. speciosa
    • Rudbeckia fulgida var. sullivantii (this is where 'Goldsturm' comes from)

    These varieties often have slight differences in characteristics like height, flower size, or native range.

    3. Cultivars

    These are plants specifically bred or selected for desirable traits, such as flower color, size, or growth habit. Cultivar names are enclosed in single quotes. Here are some examples:

    • Rudbeckia fulgida 'Goldsturm': Perhaps the most famous Rudbeckia cultivar, known for its profusion of golden-yellow flowers.
    • Rudbeckia hirta 'Indian Summer': A popular cultivar with large, golden-yellow flowers.
    • Rudbeckia laciniata 'Goldquelle': A double-flowered cultivar with masses of golden-yellow blooms.
    • Rudbeckia 'Toto Gold': A dwarf cultivar with compact growth and abundant golden-yellow flowers.

    4. Groups

    Sometimes, breeders develop series of cultivars with shared characteristics. These are often marketed under a group name. For example:

    • Rudbeckia Sunbeckia Series: This series includes cultivars like 'Ophelia' and 'Sophia', which are known for their compact growth and suitability for containers.
    • Rudbeckia hirta Gloriosa Daisy Group: This group includes cultivars with double or semi-double flowers in a range of colors, including yellow, orange, and red.

    Key Takeaways

    • Species: The basic unit, with naturally occurring variations.
    • Varieties: Naturally occurring variations within a species.
    • Cultivars: Plants selected and bred for specific traits.
    • Groups: Series of cultivars with shared characteristics.

    By understanding these distinctions, you can better navigate the world of Rudbeckia and choose the perfect plants for your garden!

    Rudbeckia's vibrant colors and long blooming season make them excellent candidates for mass plantings. Here is a breakdown of factors to consider and some recommended species and cultivars:  

    Factors to Consider for Mass Planting

    When planning a mass planting of Rudbeckia, several factors should be considered to ensure a successful and visually appealing display:

    • Height and Spread: The mature height and spread of the chosen Rudbeckia varieties will determine the scale and overall impact of the planting. Taller varieties can create a dramatic backdrop, while shorter varieties can be used as a groundcover or in the foreground of a border.
    • Bloom Time and Color: Selecting Rudbeckia varieties with complementary bloom times and colors can create a long-lasting and dynamic display. For example, combining early-blooming varieties with late-blooming varieties can extend the flowering season. Additionally, contrasting colors, such as yellow and orange, or complementary colors, such as yellow and purple, can create visually striking combinations.
    • Growth Habit: Rudbeckia species and cultivars exhibit a variety of growth habits, ranging from clump-forming to spreading. Clump-forming varieties are well-suited for formal gardens and borders, while spreading varieties can be used to create naturalized areas or meadows. Consider the desired effect and maintenance requirements when choosing a growth habit.
    • Site Conditions: The sun exposure, soil type, and moisture levels of your planting site will influence the success of your Rudbeckia mass planting. Most Rudbeckia species prefer full sun and well-drained soil, but some can tolerate partial shade and moist conditions. It is important to select varieties that are well-suited to your specific site conditions.
    • Maintenance: Consider the level of maintenance required for the selected Rudbeckia varieties. Some varieties may require regular deadheading to prolong flowering, while others are more self-maintaining. Additionally, some varieties may spread aggressively by rhizomes, requiring periodic division to control their growth.

    By carefully considering these factors, you can create a beautiful and sustainable mass planting of Rudbeckia that will bring joy to your garden for many years to come.

    Recommended Rudbeckia for Mass Planting

    1. Rudbeckia hirta (Black-eyed Susan):
      • Pros: Adaptable, readily available, comes in a wide array of colors and sizes.
      • Cons: Many are short-lived perennials or biennials, so replanting may be necessary.
      • Recommended Cultivars: 'Indian Summer' (large, golden flowers), 'Toto Rustic' (dwarf variety with a mix of colors), 'Autumn Colors' (blend of yellow, orange, and red).
    2. Rudbeckia fulgida (Orange Coneflower):
      • Pros: Long-blooming, reliable, and forms attractive clumps.
      • Cons: Can be prone to powdery mildew in humid conditions.
      • Recommended Cultivars: 'Goldsturm' (classic golden yellow), 'Early Bird Gold' (compact and early blooming).
    3. Rudbeckia triloba (Brown-eyed Susan):
      • Pros: Provides an airier and more informal look, attracts pollinators.
      • Cons: Often biennial, so it may need replanting.
      • Consider: Allowing some self-seeding for naturalization.
    4. Rudbeckia laciniata (Cutleaf Coneflower):
      • Pros: Tall and impactful, good for the back of borders.
      • Cons: Can become quite large and may need staking.
      • Recommended Cultivars: 'Goldquelle' (double flowers), 'Hortensia' (greenish-yellow flowers).

    Design Tips for Mass Planting

    • Combine with Ornamental Grasses: Pair Rudbeckia with grasses like Panicum virgatum (switchgrass), Schizachyrium scoparium (little bluestem), or Calamagrostis x acutiflora (feather reed grass) for textural contrast and movement. The flowing, airy nature of grasses complements Rudbeckia's bold flowers, creating a visually dynamic and harmonious planting.
    • Mix with Other Perennials: Create a diverse and dynamic planting by combining Rudbeckia with other perennials like Echinacea (coneflower), Monarda (bee balm), and Salvia (sage). This layering of textures, colors, and bloom times adds depth and interest to the garden.
    • Repeat Colors and Forms: For a cohesive look, repeat the same Rudbeckia variety or color throughout the planting area. This creates a sense of unity and rhythm, drawing the eye and leading it through the garden.
    • Vary Heights: Create visual interest by combining Rudbeckia of different heights. Place taller varieties at the back and shorter varieties towards the front. This creates a layered effect and adds depth to the planting.
    • Consider Bloom Time: Select varieties with overlapping bloom times to ensure a continuous display of color throughout the season. This can be achieved by combining early-blooming varieties with mid-season and late-season bloomers.

    By carefully selecting and combining Rudbeckia varieties, you can create a stunning mass planting that provides beauty, supports pollinators, and enhances your landscape.

    Rudbeckia fulgida FAQ

    Black-eyed Susan, Orange Coneflower

    rud-BEK-ee-ah ful-JEE-duh

    The Rudbeckia fulgida species offers a diverse range of cultivars, each with unique characteristics. Some popular options include:

    • 'Goldsturm': Known for its larger, star-shaped flowers and excellent resistance to leaf spot.
    • 'Little Goldstar': A compact cultivar with good resistance to abiotic disorder and southern blight.
    • Rudbeckia fulgida var. sullivantii 'Viette's Little Suzy': A shorter, dwarf variety with vibrant yellow flowers.
    • Rudbeckia hirta: A biennial or short-lived perennial with hairy leaves and single daisy-like flowers.
    • Rudbeckia laciniata: A taller variety with five-pointed palmately compound leaves and greenish-yellow centers.
    • Rudbeckia grandiflora: A rhizomatous perennial that can form large colonies.
    • Rudbeckia maxima: A species native to the southern United States with upright leaves.
    • Rudbeckia occidentalis: A western coneflower native to regions from Colorado to Washington.
    • Rudbeckia triloba: A short-lived perennial that readily reseeds.
    • Rudbeckia missouriensis: A species native to the central prairie states.
    • Rudbeckia subtomentosa: Noted for its quilled flowers, with 'Henry Eilers' being a popular cultivar.  
    • Rudbeckia amplexicaulis: Characterized by drooping flower petals.
    • Genus: Rudbeckia
    • Species: fulgida
    • Family: Asteraceae
    • Life Cycle: Perennial
    • Propagation: Division, seed
    • Origin: Eastern United States
    • Distribution: Widely distributed across the eastern United States
    • Wildlife Value: Attracts pollinators and provides food for birds.
    • Resistance: Moderately resistant to deer, good resistance to leaf spot.
    • Dimensions: Height: 2-3 feet, Width: 1-2 feet
    • Growth Habit: Clumping
    • Growth Rate: Rapid
    • Maintenance: Low
    • Cultural Conditions: Full sun, well-drained soil
    • USDA Hardiness Zones: 3-9
    • Flower Color: Black, gold/yellow, orange
    • Flower Bloom Time: Summer, fall
    • Leaf Color: Green
    • Rudbeckia fulgida is a beautiful and versatile perennial that adds a touch of summer vibrancy to any garden. Its resilience, low maintenance requirements, and attractive flowers make it a popular choice for gardeners and wildlife enthusiasts alike.

    Rudbeckia is a genus of North American flowering plants in the daisy family (Asteraceae). They are commonly known as coneflowers or black-eyed Susans, due to their characteristic daisy-like flowers with dark central cones.

    There are over 20 species of Rudbeckia, most of which are perennials, but some are annuals or biennials. They typically grow to 2-3 feet tall and have yellow, orange, or red flowers that bloom in mid to late summer. Some popular species of Rudbeckia include:

    • Black-eyed Susan (Rudbeckia hirta): The most common species of Rudbeckia, with bright yellow flowers and a dark brown central cone.
    • Goldsturm Rudbeckia (Rudbeckia fulgida 'Goldstrum'): A popular cultivar with large, golden-yellow flowers.
    • Little Henry Rudbeckia (Rudbeckia hirta 'Little Henry'): A compact variety of black-eyed Susan that is perfect for borders and containers.
    • Green-eyed Susan (Rudbeckia laciniata): A unique species with yellow flowers and a green central cone.

    Rudbeckias are easy to grow and care for, making them a popular choice for gardeners of all levels. They are tolerant of a wide range of soils and conditions, and they are relatively pest- and disease-resistant. Rudbeckias are also excellent attractants for butterflies, bees, and other pollinators.

    Here are some additional facts about Rudbeckia:

    • The genus Rudbeckia is named after Olof Rudbeck the Elder, a Swedish botanist who lived in the 17th century.
    • Rudbeckias are native to North America, but they are now grown all over the world.
    • Some species of Rudbeckia are used in traditional medicine.
    • Rudbeckias are the state flower of Maryland.

    I hope this information helps! Let me know if you have any other questions about Rudbeckia.

    Planting rudbeckia is quite straightforward, and you can do it from seeds or by using transplants. Here's a general guide for both methods:

    Planting from seeds:

    • Timing: The best time to plant rudbeckia seeds directly in the garden depends on your climate. In warmer regions, you can sow seeds as early as April, while in colder areas, it's best to wait until the last frost has passed, typically in late May or early June.
    • Choose a location: Rudbeckias thrive in full sun (at least 6 hours of direct sunlight daily) and well-draining soil. They can tolerate light shade but may produce fewer flowers. If your soil is heavy clay, amend it with compost or aged manure to improve drainage.
    • Prepare the soil: Loosen the soil to a depth of about 6 inches with a garden fork or trowel.
    • Sow the seeds: Scatter the seeds thinly over the prepared soil surface. You can mix them with sand to make them easier to see and distribute evenly. Lightly cover the seeds with a thin layer of soil, about 1/4 to 1/2 inch deep.
    • Water: Keep the soil moist but not soggy until the seeds germinate. This usually takes about 10-14 days.
    • Thinning: Once the seedlings have emerged and have a few true leaves, thin them to their proper spacing. The spacing will vary depending on the type of rudbeckia you're growing, but generally, they need about 12-18 inches of space between plants. You can either transplant the thinned seedlings to another location in your garden or discard them.

    Planting from transplants:

    • Timing: You can plant transplants any time after the last frost has passed and the soil has warmed up.
    • Choose a location: Just like with seeds, select a sunny spot with well-draining soil.
    • Prepare the planting hole: Dig a hole that is twice the width and depth of the root ball of the transplant.
    • Remove the transplant from its pot: Gently loosen the soil around the root ball and carefully remove the plant from the pot. Avoid disturbing the roots as much as possible.
    • Plant the transplant: Place the transplant in the hole and fill in the soil around it, tamping it down gently to eliminate air pockets.
    • Water: Water the plant deeply to settle the soil and ensure good root contact.

    Here are some additional tips for planting rudbeckia:

    • Mulch around the plants with a layer of organic material, such as compost or shredded bark, to help retain moisture and suppress weeds.
    • Water your rudbeckias regularly, especially during hot and dry periods.
    • Deadhead spent flowers to encourage continued blooming throughout the season.
    • Rudbeckias are relatively pest- and disease-resistant, but they may occasionally attract aphids or powdery mildew. If you see any pests or diseases, treat them with an organic insecticide or fungicide.

    With proper care, your rudbeckias should bloom beautifully for many years to come!

    There is a delightful variety of rudbeckia options for your garden, with each showcasing unique charm! Here is a glimpse into some popular varieties:

    By Height:

    Tall (5-7 feet):

    • 'Autumn Colors': Dramatic blooms with red, gold, and orange hues.
    • 'Giant Yellow Queen': Huge, golden sunflowers resembling blooms.

    Medium (2-4 feet):

    • 'Black-eyed Susan' (R. hirta): The classic, cheerful yellow blooms with dark centers.
    • 'Goldsturm': Large, golden-yellow flowers beloved by pollinators.
    • 'Little Henry': Compact black-eyed Susans perfect for borders and containers.

    Short (1-2 feet):

    • 'Cherry Brandy': Rich, coppery-red blooms with dark green centers.
    • 'Sahara': A series with stunning bicolors and tricolors in peach, pink, and plum.

    By Bloom Appearance:

    Classic black-eyed Susans:

    • 'Irish Eyes': Golden petals with greenish-black centers.
    • 'Prairie Sun': Light orange petals fading to lemon yellow, with pale green centers.

    Unique colors:

    • 'Green-eyed Susan' (R. laciniata): Yellow daisy-like flowers with greenish-yellow central cones.
    • 'Golden Glow' (R. fulgida var. sullivantii): Bright orange flowers with black central cones.

    Double blooms:

    • 'Black Beauty': Velvety dark red blooms with double or semi-double petals.
    • 'Hortensia Beauty': Showy double blooms with golden petals and dark central cones.

    Other Traits:

    • Long bloom time: 'Becky Sue' and 'Goldilocks' offer months of cheerful blooms.
    • Heat tolerant: 'Perennis Gold' and 'Prairie Fire' thrive in scorching summers.
    • Butterfly magnets: Most rudbeckias attract butterflies and bees, but 'Cherokee Sunset' especially with its vibrant colors.

    Remember, these are just a few examples, and countless other fantastic rudbeckia varieties await exploration! When choosing yours, consider desired height, color preferences, bloom time, and garden conditions.

    Taking care of your rudbeckia is a breeze, and their sunny disposition will reward you with vibrant blooms throughout the season. Here are some key tips for maintaining their happy dance in your garden:

    Sunshine and Soil:

    • Sun-kissed: Rudbeckias crave at least 6 hours of direct sunlight daily. They can tolerate light shade but expect fewer blooms.
    • Drainage matters: Well-draining soil is crucial to prevent root rot. Consider amending heavy clay soil with compost or aged manure.

    Watering and Mulching:

    • Thirsty blooms: Water your rudbeckias regularly, especially during hot and dry periods. Aim for evenly moist soil but avoid waterlogging.
    • Mulch magic: A layer of organic mulch like compost or shredded bark helps retain moisture, suppress weeds, and keep the soil cool.

    Feeding and Deadheading:

    • Fertile feast: While not essential, an occasional feeding with a balanced fertilizer or compost can boost growth and flowering.
    • Deadheading delights: Regularly remove spent flower heads to encourage more blooms and maintain a tidy appearance. Simply pinch off the faded flowers or use sharp shears.

    Pruning and Dividing:

    • Cutting back: In late fall or early spring, you can cut back the stems of tall varieties to about 4-6 inches above the ground.

    Sharing the sunshine: Over time, rudbeckias can become crowded. To rejuvenate them and propagate more plants, divide them every 3-4 years.

    Pests and Diseases:

    • Natural resilience: Rudbeckias are generally pest- and disease-resistant. However, keep an eye out for aphids or powdery mildew. If you spot any, opt for organic control methods like insecticidal soap or neem oil.

    Winter Care:

    • Hardy heroes: Most rudbeckia varieties are hardy in cold climates. In colder regions, you can leave the spent stems standing through winter for added insulation. However, in areas with very harsh winters, it is best to cut back the stems and mulch the plants for extra protection.

    Remember, these are general guidelines, and specific needs may vary depending on your variety and climate. Feel free to adjust your care accordingly and observe your rudbeckias to gauge their needs. With a little love and sunlight, they will keep your garden ablaze with color for many seasons to come!

    I hope this information helps you keep your rudbeckia thriving and joyful! I

    Rudbeckia plants are pollinator magnets, particularly bees and butterflies. Their bright, sunny blooms and readily available nectar make them irresistible to these important garden visitors. Here is why they are so beloved by pollinators:

    A feast for the senses:

    • Eye-catching blooms: The bold yellow, orange, and red flowers of rudbeckia are highly visible to pollinators, easily attracting them from afar.
    • Nectar galore: Rudbeckia flowers produce plentiful nectar, a sweet liquid that serves as a vital energy source for bees, butterflies, and other pollinators.
    • Easy access: The open daisy-like structure of their flowers allows pollinators of all sizes to easily reach and access the nectar within.

    Benefits beyond beauty:

    • Long bloom time: Many rudbeckia varieties bloom for weeks or even months, providing a consistent food source for pollinators throughout the season.
    • Pollen variety: Different rudbeckia species offer diverse pollen types, catering to the needs of a wider range of pollinators.
    • Habitat for butterflies: Some rudbeckia species, like the black-eyed Susan, serve as host plants for butterfly larvae, contributing to their vital life cycle.

    Examples of pollinator-loving rudbeckia:

    • Black-eyed Susan (R. hirta): This classic variety with its bright yellow petals and dark center is a favorite among bees and butterflies.
    • Goldsturm: This popular cultivar boasts large, golden-yellow flowers that are irresistible to a range of pollinators.
    • Green-eyed Susan (R. laciniata): This unique variety with its yellow flowers and green central cone attracts both bees and butterflies.
    • Cherokee Sunset: This stunning rudbeckia with its vibrant orange and red blooms is a particular favorite among butterflies.

    By planting rudbeckia in your garden, you are not just adding a splash of color, but also contributing to a healthy ecosystem by providing vital resources for pollinators. Their cheerful blooms and buzzing visitors will turn your garden into a vibrant hub for these vital creatures, adding a new dimension of life and beauty to your green space.

    So, if you are looking for a beautiful and beneficial addition to your garden, rudbeckia is a fantastic choice. Their pollinator-attracting power will not only reward you with vibrant blooms, but also contribute to a thriving ecosystem in your backyard.

    While Rudbeckias are generally pretty tough plants, they can occasionally encounter some pests and diseases. Here is a rundown of the most common ones:

    Pests:

    • Aphids: These soft-bodied, sap-sucking insects can weaken plants and distort leaves. Look for clusters of green, brown, or black aphids on stems and buds. Organic methods like insecticidal soap or neem oil are usually effective.
    • Japanese beetles: These metallic green beetles with brown wing covers can devour foliage and flowers. Handpicking is a good option for smaller infestations. Alternatively, try traps baited with pheromones or consider applying milky spore, a biological control that harms Japanese beetle larvae.
    • Two-spotted spider mites: These tiny webs on leaves and stunted growth can indicate the presence of these pests. A strong blast of water can knock them off, or you can use insecticidal soap or diluted neem oil.

    Diseases:

    • Powdery mildew: This fungal disease appears as white or gray powdery patches on leaves, stems, and flowers. Good air circulation and fungicides containing neem oil or potassium bicarbonate can help control it.
    • Leaf spots: These fungal or bacterial infections cause brown, circular spots on leaves, making them unsightly but rarely fatal. Remove infected leaves and improve air circulation. Fungicides can be used in severe cases.
    • Verticillium wilt: This fungal disease causes leaves to wilt and turn yellow, eventually leading to plant death. Unfortunately, there is no cure. Remove and destroy infected plants and avoid planting in the same area for several years.

    General Tips for Preventing Pests and Diseases:

    • Practice good garden hygiene: Remove and destroy diseased plant material and debris.
    • Provide adequate spacing: Proper air circulation helps prevent fungal diseases.
    • Avoid overhead watering: Water at the base of the plant to keep foliage dry.
    • Encourage beneficial insects: Ladybugs, lacewings, and other predators can help control pests naturally.
    • Use organic methods whenever possible: Start with insecticidal soap or neem oil before resorting to stronger chemicals.
    • By observing your Rudbeckias regularly and taking proactive measures, you can minimize the impact of pests and diseases and keep your plants thriving. If you are unsure about a specific problem, consider contacting your local extension office or a qualified gardener for further advice.

    Remember, healthy Rudbeckias with diverse pollinator populations are key to a balanced and thriving garden ecosystem. So, keep an eye out for any potential threats and take action to protect these vibrant blooms!

    Rudbeckia, with its cheerful daisy-like blooms and sunny disposition, makes a fantastic addition to floral arrangements. They add a pop of color, texture, and rustic charm, elevating any bouquet or centerpiece. Here is why you should consider incorporating them:

    Versatility:

    • Variety of colors: From classic golden yellow to fiery orange, and even unique bicolors and greens, rudbeckias offer a range of options to complement your color palette.
    • Different sizes: Tall varieties like 'Autumn Colors' add height and drama, while shorter ones like 'Little Henry' bring a sweet charm to smaller arrangements.
    • Long vase life: Rudbeckias are known for lasting a good 7-10 days in a vase, keeping your arrangements fresh and vibrant.

    Visual interest:

    • Bold blooms: Their cheerful daisy-like flowers with dark central cones add a touch of whimsy and rustic charm to any arrangement.
    • Textural contrast: The rough texture of their petals and stems pairs beautifully with smoother flowers like roses or lilies, creating a dynamic interplay of textures.
    • Butterfly magnets: If you are lucky, your arrangement might even attract some fluttering friends, adding a touch of magic to your display.

    Tips for using Rudbeckia in arrangements:

    • Prep your blooms: Cut rudbeckias at an angle just below a bud to maximize vase life. Give the stems a fresh cut underwater and remove any foliage below the waterline.
    • Conditioning: For even longer-lasting blooms, immerse the rudbeckia stems in lukewarm water for a couple of hours before adding them to your arrangement.
    • Placement: Rudbeckias can be used as focal flowers, placed towards the center of your arrangement, or as filler flowers to add bulk and texture.
    • Pairings: They play well with a variety of flowers, including sunflowers, zinnias, lilies, roses, and even herbs like rosemary or lavender.
    • Experiment! Don't be afraid to get creative! Rudbeckias look lovely in rustic mason jars, vintage pitchers, or even woven baskets.

    So, go ahead and let your creativity bloom! Rudbeckias are a delightful and versatile addition to any floral arrangement, bringing a touch of sunshine and cheer to your space. I hope this inspires you to incorporate these sunny charmers into your next floral masterpiece!

    The answer to whether Rudbeckia is invasive depends on two factors: the specific species and the location.

    Some Rudbeckia species are considered invasive in certain regions, while others are not. It is important to determine the specific type you are dealing with and research its potential invasiveness in your area.

    Here is a breakdown:

    Species with Known Invasive Potential:

    • Rudbeckia laciniata (Cutleaf Coneflower): This species is native to eastern North America but can be invasive in parts of Europe, Asia, and even some areas of the western United States. It readily spreads by seeds and rhizomes, potentially displacing native vegetation.
    • Rudbeckia hirta var. pulcherrima (Black-eyed Susan): While not currently listed as invasive in most regions, some sources suggest it can be aggressive in certain areas, particularly disturbed habitats. It spreads mostly by seeds and can easily dominate gardens if not managed.

    Species Generally Not Considered Invasive:

    • Rudbeckia hirta var. angustifolia (Black-eyed Susan): This variety of Black-eyed Susan is native to the southeastern United States and is not considered invasive in its native range or most other locations.
    • Rudbeckia fulgida (Orange Coneflower): This species is native to central North America and while it can self-seed readily, it generally does not pose a threat to native ecosystems.

    Recommendations:

    • Identify your Rudbeckia species: Check plant tags or consult a reference book to determine the exact species you have.
    • Research potential invasiveness in your area: Consult local resources like conservation organizations or native plant nurseries to understand potential risks specific to your location.
    • Adopt responsible gardening practices: If you have a potentially invasive Rudbeckia, deadhead regularly to prevent seed dispersal. Consider dividing and sharing plants instead of letting those self-seed in your garden.
    • Choose native alternatives: Planting native wildflowers instead of potentially invasive species is a responsible choice that supports biodiversity in your local ecosystem.

    By taking these steps, you can enjoy the beauty of Rudbeckia in your garden while also being mindful of its potential environmental impact. Remember, informed gardening practices can make a difference in supporting healthy ecosystems and preserving native biodiversity.

    The best time to divide Rudbeckia plants depends on a couple of factors: the climate in your region and the species of Rudbeckia you have. Here is a breakdown:

    General Timing:

    • Early Spring (March-April): This is usually the ideal time in most regions, as the soil is warming up and the plants are starting to emerge from dormancy. Dividing during this time allows them to establish themselves before the heat of summer arrives.
    • Fall (September-October): This can also be a good option, especially in warmer climates. However, it is important to divide early enough so the plants have sufficient time to establish before winter dormancy sets in.

    Species-Specific Considerations:

    • Black-eyed Susan (R. hirta): Can be divided in both spring and fall.
    • Cutleaf Coneflower (R. laciniata): Best divided in early spring, as fall division may not give them enough time to establish before winter.
    • Orange Coneflower (R. fulgida): Can be divided in spring or fall.

    Additional Factors:

    • Flowering: It is best to avoid dividing Rudbeckia when they are in full bloom, as it can stress the plants.
    • Maturity: Younger plants (2-3 years old) generally tolerate division better than older, well-established plants.
    • Weather: Avoid dividing plants on hot, dry days. Choose a mild day with overcast skies or light rain for optimal results.

    Conclusion:

    For most regions and Rudbeckia species, early spring is generally the safest and most successful time for dividing these plants. However, considering the specific variety you have, and local climate factors will help you choose the best timing for your situation.