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Hemerocallis

Easy-Care, Drought-Tolerant, Vibrant Colors

  • Effortless Beauty: Daylilies are renowned for their vibrant, trumpet-shaped flowers and easy-going nature. They are the perfect choice for both beginner and experienced gardeners.
  • Long Blooming Season: While individual flowers last only a day (hence the name), each plant produces numerous buds, providing a succession of blooms for weeks, and many varieties rebloom throughout the summer and even into fall.
  • Stunning Variety: Available in a breathtaking array of colors, sizes, and flower forms. From classic yellows and oranges to vibrant reds, pinks, purples, and near-whites, there is a daylily to suit every taste. Choose from single, double, spider, and ruffled flower forms.
  • Low Maintenance: Daylilies are incredibly adaptable and require minimal care once established. They are drought-tolerant, pest-resistant, and generally unfussy about soil conditions.
  • Versatile in the Landscape: Perfect for borders, mass plantings, containers, slopes, and even erosion control. Their arching foliage adds texture and interest even when not in bloom.
  • Attracts Pollinators: Butterflies and hummingbirds are drawn to their colorful blooms.
  • Exceptional Value: Daylilies are long-lived perennials that multiply over time, providing years of beauty and the opportunity to divide and expand your planting.
  • Reblooming: Many modern cultivars are rebloomers, offering multiple flushes of flowers throughout the growing season.
  • Fragrant: Some varieties have delightfully fragrant blooms.
  • Edible Flowers: Daylily buds and flowers are edible, adding a unique touch to salads and other dishes (though always confirm edibility for the specific variety).

Site Selection:

  • Sunlight: Daylilies thrive in full sun (at least 6 hours of direct sunlight per day) for best flowering. They can tolerate partial shade (4-6 hours of sun), but bloom production may be reduced. Note: Darker-colored varieties (deep reds, purples) often benefit from some afternoon shade in very hot climates to prevent color fading.
  • Soil: Daylilies are adaptable to a wide range of soil types, including clay, loam, and sandy soils. However, they perform best in well-drained soil that is moderately fertile. Amend heavy clay or very sandy soils with compost or other organic matter before planting to improve drainage and fertility.
  • Spacing: Space plants 18-24 inches apart, depending on the mature size of the variety. Allow for good air circulation.

Planting:

  • Timing: Plant daylilies in spring or early fall. Spring planting is generally preferred in colder climates; fall planting is suitable in milder regions.
  • Depth:
    • Bare-root plants: Plant the crown (where the roots meet the foliage) no deeper than 1 inch below the soil surface. Create a small mound of soil in the center of the planting hole, spread the roots over the mound, and backfill with soil.
    • Container-grown plants: Plant at the same depth they were growing in the container.
  • Watering: Water thoroughly after planting to settle the soil around the roots.

Ongoing Care:

  • Watering: Water regularly during the first growing season to establish a strong root system. Once established, daylilies are quite drought-tolerant, but benefit from supplemental watering during prolonged dry periods, especially during bud formation and flowering. Avoid overhead watering, which can promote fungal diseases.
  • Fertilizing: Daylilies are not heavy feeders. A light application of a balanced, slow-release fertilizer in early spring is generally sufficient. Avoid over-fertilizing, which can lead to excessive foliage growth at the expense of flowers. A soil test can help determine if any specific nutrient deficiencies need to be addressed.
  • Mulching: Apply a 2–3-inch layer of organic mulch (such as shredded bark, wood chips, or compost) around the plants to conserve moisture, suppress weeds, and regulate soil temperature.
  • Deadheading: Remove spent flowers (and the entire scape, or flower stalk, after all buds have opened) to encourage reblooming (if applicable) and improve the plant's appearance. This prevents the plant from putting energy into seed production.
  • Division: Daylilies benefit from division every 3-5 years, or when clumps become overcrowded and flowering declines. The best time to divide is in early spring or immediately after flowering. Carefully dig up the clump, separate it into smaller divisions (each with several fans of leaves and healthy roots), and replant.
  • Winter Care: In most climates, daylilies require no special winter protection. After the foliage dies back in the fall, you can cut it back to the ground (optional). In very cold climates (Zone 3 and colder), a layer of mulch can provide extra insulation.
  • Pest and Diseases:
    • Daylilies are relatively resistant to pests and diseases.
    • Spider mites and thrips may occasionally be a problem; treat with insecticidal soap or horticultural oil.
    • Fungal diseases are more likely in wet, humid conditions; ensure good air circulation and avoid overhead watering.
    • Daylily rust is a fungal disease that can cause orange pustules on the leaves. Remove affected foliage and consider using a fungicide if the problem is severe.

With their stunning blooms, easy care, and long-lasting beauty, daylilies are a rewarding addition to any garden. Plant them today and enjoy years of vibrant color!

Hemerocallis (hem-er-oh-kal-iss) is from the Greek words hemero "one day" and callis meaning "beauty", but new buds keep daylilies inhemerocallis-joan-senior-bare-root.jpg bloom for weeks, and some are classified as Reblooming Daylilies.

One of the most popular, hardy and varied perennials, with persistence and durability, plants perform in full sun to partial shade. 

Daylilies are some of the easiest perennials to grow and are a good choice for any gardener, from the beginner to the professional. These are tough, adaptable plants that will grow in any soil, from normal to slightly wet to dry. 

Bare root (BR) plants are mature, field-grown plant clumps that may bloom the first year. Hemerocallis / daylily 1 to 3 fan divisions would typically fit into a 1 or 2-gallon container. For more daylily information, check out Growing Daylilies and Hemerocallis/Daylilies

Daylilies (Hemerocallis) are beloved perennials prized for their vibrant, showy flowers and easy-going nature. The name Hemerocallis comes from the Greek words "hemera" (day) and "kallos" (beauty), aptly describing the fleeting nature of each individual bloom, which lasts for just one day. However, do not let this discourage you! A single daylily plant produces numerous buds, resulting in a beautiful display that extends for weeks, and with careful selection of cultivars, you can enjoy daylily blooms from late spring through summer.

  • Spectacular Flowers: Daylilies offer a vast array of colors, from classic yellows and oranges to vibrant pinks, reds, purples, and near-whites. Flower forms vary widely, too, including single, double, spider, and star shapes. Many cultivars feature intricate patterns, ruffled edges, and contrasting throats.
  • Variety in Form and Size: Miniature varieties, such as 'Stella de Oro', offer delicate blooms and compact growth habits, making them ideal for small gardens and containers. On the other end of the spectrum, large-flowered cultivars, like 'Frans Hals', boast massive blooms that can exceed 6 inches in diameter, creating a dramatic impact in the landscape. Intermediate varieties, such as 'Happy Returns', offer a balance between size and vigor.
  • Extended and Repeat Bloom: While each bloom lasts only a day, a mature clump produces many buds, providing weeks of color. Furthermore, by choosing cultivars with different bloom times (early, mid-season, and late), you can extend the daylily season in your garden. Some cultivars, known as "rebloomers" (e.g., 'Stella de Oro,' 'Happy Returns,' 'Pardon Me'), offer multiple flushes of blooms throughout the season.
  • Low Maintenance: Daylilies are remarkably adaptable and forgiving. They tolerate a range of soil types and are relatively drought-tolerant once established.
  • Pollinator Magnets: Their nectar-rich flowers attract butterflies and hummingbirds, adding life and movement to your garden.
  • Versatile Landscaping: Daylilies are perfect for borders, mass plantings, slopes, rock gardens, containers, or naturalized areas.

Growing Daylilies:

  • Sunlight: Plant in full sun (at least 6 hours of direct sunlight) for optimal flowering. They will tolerate partial shade, but flowering may be reduced.
  • Soil: While adaptable, daylilies prefer well-drained soil enriched with organic matter like compost or aged manure.
  • Planting: Plant bare-root daylilies with the crown (where the roots meet the leaves) 1 inch below the soil surface. Space plants 18-24 inches apart, depending on the cultivar's mature size.
  • Watering: Water regularly, especially during dry periods, but avoid overwatering, which can lead to root rot.
  • Fertilizing: A light application of balanced fertilizer in early spring can promote vigorous growth and blooming.
  • Division: Divide clumps every 3-5 years to maintain vigor and encourage abundant flowering. This is best done in early spring or after flowering.
  • Deadheading: Removing spent blooms (deadheading) can encourage reblooming in some cultivars and improve the plant's overall appearance.

Landscape Uses:

  • Borders: Combine daylilies with other perennials and shrubs for a colorful and textured display. Consider height and bloom time when selecting companion plants.
  • Mass Plantings: Create a dramatic impact by planting large groups of the same or similar cultivars.
  • Groundcover: Use rapidly spreading varieties like 'Stella de Oro' to suppress weeds and stabilize slopes.
  • Containers: Select compact varieties to add color in containers.
  • Naturalized Areas: Allow daylilies to spread naturally in meadows or woodland edges.
  • Specialty Gardens: Use daylilies in recreational play areas, slopes/banks, walkways, butterfly gardens, children's gardens.

Important Considerations:

  • Deer Resistance: Daylily foliage is less appealing to deer than many other perennials, but they are not entirely deer-proof.
  • Toxicity to Cats: All parts of the daylily plant are toxic to cats. Keep this in mind if you have feline companions.
  • Edible Flowers (with Caution): Daylily flowers are edible and are used in some cuisines. However, consume them in moderation, as they can have diuretic or laxative effects.

Key Facts:

  • Common Names: Daylily, Day Lilies, Day Lily
  • Genus: Hemerocallis (hem-eh-roh-KAL-iss)
  • Family: Asphodelaceae
  • Origin: Primarily East Asia, with some species in Europe; numerous hybrids developed worldwide.
  • Life Cycle: Perennial
  • Propagation: Division
  • Wildlife Value: Attracts butterflies and hummingbirds.
  • Fragrance: Some cultivars are fragrant.
  • Growth Rate: Medium
  • Hardiness: Generally hardy in USDA Zones 3a-9b.
  • Resistance: Tolerant of Salt

With their stunning blooms, easy care, and adaptability, daylilies are a fantastic addition to any garden, providing years of beauty and attracting beneficial wildlife.

Hemerocallis FAQ

Hemerocallis, commonly known as the daylily, is a genus of perennial plants native to Eurasia. There are about seventy species of daylilies, and they are popular garden plants all over the world. The name "daylily" comes from the Greek words "hemera" (day) and "kallos" (beauty), which refers to the fact that each flower typically only lasts for one day.

Daylilies are herbaceous plants, which means that they die back to the ground every winter. They grow from fleshy roots called rhizomes, and they have long, narrow leaves. The flowers are borne on tall stalks, and they come in a wide variety of colors, including yellow, orange, red, pink, and purple. Some daylilies even have fragrant flowers.

Daylilies are very easy to grow, and they are relatively pest- and disease-resistant. They prefer full sun but will tolerate some shade. They are also drought-tolerant, which makes them a good choice for gardeners in hot, dry climates.

Daylilies can be used in a variety of ways in the garden. They can be planted in beds or borders, or they can be used as groundcovers. They can also be grown in containers. Daylilies are a good choice for beginner gardeners, as they are easy to care for and they provide a long season of bloom.

Planting Hemerocallis, also known as daylilies, is a simple process and they are generally quite forgiving! Here is a step-by-step guide:

Timing:

  • Best time to plant: Early spring (before new growth) or early fall is ideal. Planting in summer is possible, but provide extra water and avoid hot, dry periods.
  • Bare-root plants: Can be planted anytime during the dormant season (fall, winter, early spring). Soak them in water for 1-2 hours before planting.

Preparation:

  • Choose a location: Daylilies thrive in full sun but tolerate some light shade. Well-drained soil is crucial, even sandy soil is okay. Avoid waterlogged areas.
  • Amend the soil: Dig a hole 2-3 times the width of the plant's roots. Mix in compost or well-rotted manure to improve drainage and fertility.

Planting:

  • Bareroot: Spread the roots over a mound of soil in the hole, ensuring the crown (base of the plant) sits 1” below soil level. Fill the hole with soil, gently firming it.
  • Potted: Gently remove the plant from the pot without disturbing the roots. Place it in the hole at the same depth as in the pot. Fill in and firm the soil around the plant.

Watering:

  • Water deeply after planting to settle the soil and saturate the roots.
  • Keep the soil consistently moist, especially during the first few weeks.
  • Established plants are drought-tolerant but benefit from regular watering during hot, dry periods.

Mulching:

  • Apply a layer of organic mulch (bark chips, compost) around the base to retain moisture, suppress weeds, and regulate soil temperature.

Spacing:

  • Space daylilies according to their mature size:
    • Small (12-18 inches)
    • Medium (18-24 inches)
    • Large (24-36 inches)

Aftercare:

  • Daylilies require minimal care. Remove spent flower stalks to encourage more blooms. Fertilize lightly in spring with a balanced fertilizer.
  • Divide mature clumps every 3-5 years to maintain vigor and flowering.

Additional Tips:

  • Check for pests and diseases occasionally, but daylilies are generally pest resistant.
  • Deadhead spent flowers to encourage reblooming in some varieties.

With these steps, you can enjoy beautiful daylilies in your garden for years to come! Feel free to ask if you have any further questions about specific varieties or challenges.

The world of Hemerocallis, or daylilies, is incredibly diverse, boasting over 70 species and an astounding 70,000+ registered hybrids! Choosing the right varieties for your garden can be overwhelming, but It is also exciting to explore the vast array of options. Here is a breakdown of some key aspects to consider:

Bloom Characteristics:

  • Color: From classic yellows and oranges to vibrant reds, purples, pinks, and even bicolor, there is a daylily for every color palette. Many even have unique patterns like ruffled edges, spiderwebs, or watermarks.
  • Size: Daylilies come in all sizes, from miniature varieties with 3-inch blooms to giants reaching seven inches or more. Consider the scale of your garden and desired impact.
  • Shape: Trumpet-shaped, spider-like, circular, or recurved petals offer different visual textures and appeal.
  • Bloom Time: Early, midseason, or late blooming varieties allow you to extend the daylily show throughout the summer. Some even rebloom multiple times!

Growth Habit:

  • Height: Short (12-18 inches), medium (18-24 inches), or tall (24-36+ inches) varieties cater to different garden layouts and purposes.
  • Spread: Consider how much space each variety needs at maturity to avoid overcrowding. Daylilies can range from clump-forming to aggressive spreaders.
  • Foliage: Daylily foliage varies in color and texture, adding another layer of interest even when not in bloom. Some have blue-green or variegated leaves.

Additional Factors:

  • Fragrance: Some daylilies, like 'Stella de Oro,' release a delightful fragrance that adds another dimension to their charm.
  • Heat and drought tolerance: Choose varieties suited to your climate and soil conditions for minimal fuss.
  • Ease of care: Many daylilies are generally low maintenance, but some hybrids may require more specific care or attention.

Here are a few popular varieties to get you started, classified by some key characteristics:

Classic beauties:

  • Stella de Oro: Golden, reblooming, compact.
  • Happy Returns: Orange, early bloomer, reblooming.
  • Pardon Me: Pink with yellow throat, fragrant, long bloom time.

Unique blooms:

  • Frans Hals: Purple with white edge, spider-like flower.
  • Hyperion: Tall, red, large flowers.
  • Little Grapette: Miniature, deep purple, long bloom time.

Easy to grow:

  • Stella de Oro
  • Happy Returns
  • Red Volunteer: Red, recurrent bloomer, drought tolerant.

Remember, this is just a glimpse into the incredible world of daylilies! Explore online resources, visit nurseries, and consult experienced gardeners to discover the perfect varieties for your unique garden and preferences.

Taking care of daylilies (Hemerocallis) in your garden is a breeze! They are generally low-maintenance and thrive with minimal fuss, but knowing their basic needs will reward you with vibrant blooms and healthy plants. Here is a rundown of key care tips:

Watering:

  • Established plants: Drought-tolerant, but appreciate regular watering during hot, dry periods, aiming for about one inch of water per week. Deeply water the soil rather than frequent shallow watering.
  • Newly planted or young plants: Keep the soil consistently moist for the first, at least, a few weeks while they establish their roots.

Sun and Soil:

  • Sun: Daylilies prefer full sun (at least 6 hours) for optimal growth and flowering. Some will tolerate light shade but expect fewer blooms.
  • Soil: Well-drained soil is crucial. They can handle various soil types, including sandy soil, but avoid waterlogged areas. Amend soil with compost or manure before planting to improve drainage and fertility.

Mulching:

Apply a layer of organic mulch (bark chips, compost) around the base of the plant. This helps retain moisture, suppress weeds, regulate soil temperature, and add aesthetic appeal.

Fertilizing:

Daylilies generally do not require heavy feeding, especially if the soil is already fertile. A light application of balanced fertilizer in early spring can boost blooming, but too much can encourage foliage growth at the expense of flowers.

Deadheading:

Remove spent flower stalks regularly to encourage more blooms and maintain a tidy appearance. Simply cut the stalk where it meets the foliage.

Dividing:

Mature clumps may benefit from dividing every 3-5 years to maintain vigor and flowering. Divide in early spring or fall when the plant is not in bloom. Gently dig up the clump, separate the fans of leaves and roots, and replant individual sections.

Pest and Disease Control:

Daylilies are generally pest-resistant and disease-resistant. However, keep an eye out for slugs, aphids, or fungal diseases in humid conditions. Organic methods like handpicking pests or fungicidal sprays can usually address any issues.

Winter Care:

In colder climates, newly planted daylilies may benefit from a light layer of mulch for winter protection. Established plants are usually hardy and do not require special winter care.

Additional Tips:

  • Choose varieties suitable for your climate and desired bloom time.
  • Observe your daylilies and adjust watering and fertilizing based on their specific needs.
  • Do not be afraid to experiment with different varieties and colors to create a stunning daylily display in your garden!

Following these simple care tips will ensure your daylilies flourish and bring you joy for years to come.

Hemerocallis, commonly known as daylilies, are great magnets for pollinators like bees, butterflies, and hummingbirds. They offer these winged friends several enticing features:

  • Bright and colorful blooms: The vibrant colors of daylilies, ranging from sunny yellows and oranges to vibrant reds, purples, and pinks, act as beacons for pollinators. These eye-catching displays signal the presence of a potential food source.
  • Accessible nectar: Daylilies have open, trumpet-shaped flowers that make it easy for pollinators to reach the sweet nectar hidden inside. Nectar is a valuable source of energy for them, fueling their flights and activities.
  • Pollen galore: Daylilies produce abundant pollen, another essential reward for pollinators. The sticky pollen grains cling to their bodies as they move between flowers, allowing for cross-pollination and ensuring the reproduction of the plants.
  • Long bloom time: Many daylily varieties bloom for weeks or even months, providing a reliable source of food for pollinators throughout the season. This extended bloom time is particularly beneficial for sustaining pollinator populations.
  • Diverse varieties: The sheer variety of daylilies, with over 70,000 registered hybrids, offers something for every pollinator's preference. Different sizes, shapes, colors, and even fragrances of daylilies cater to the specific needs and tastes of various pollinators.

Planting daylilies in your garden is not just about adding beautiful flowers; It is also about contributing to the health and diversity of your local ecosystem. By providing a haven for pollinators, you play a vital role in maintaining a healthy balance in the natural world.

Here are some additional tips to make your daylily patch even more pollinator-friendly:

  • Plant a variety of daylilies with different bloom times to offer a continuous food source throughout the season.
  • Interplant your daylilies with other pollinator-attracting plants like herbs, wildflowers, and native species.
  • Avoid using pesticides in your garden, as they can harm pollinators.
  • Provide access to water, such as a shallow birdbath or pond, for thirsty pollinators.

By following these simple steps, you can create a vibrant and welcoming garden that benefits both you and the important pollinators in your community. Remember, every daylily you plant is a small step towards a healthier and more vibrant ecosystem!

While daylilies (Hemerocallis) are generally pretty tough cookies, they can occasionally fall victim to pests and diseases. Here is a rundown of some of the most common ones:

Pests:

  • Slugs and snails: These slimy munchers love tender foliage and can leave ragged holes in daylily leaves. Handpicking, beer traps, or diatomaceous earth can help control them.
  • Aphids: These tiny sapsuckers gather on stems and buds, causing distortion and stunting growth. Insecticidal soap sprays or hosing them off with strong water pressure can be effective.
  • Thrips: These small, winged insects feed on flower buds and petals, causing discoloration and deformities. Insecticidal soap or neem oil sprays can be helpful.

Diseases:

  • Daylily rust: This fungal disease manifests as yellow or orange spots on leaves with orange powdery spores on the underside. Fungicides can help control it, but good air circulation and removing infected leaves are also important.
  • Leaf streak: This fungal disease causes brown or orange streaks and spots on leaves. Fungicides can be used, but prevention through proper spacing and avoiding overhead watering is key.
  • Crown rot: This fungal disease affects the base of the plant, causing wilting and stunted growth. It thrives in poorly drained soil. Improving drainage and removing affected plants are crucial.

Additional Tips:

Regularly inspect your daylilies for signs of pests and diseases. Early detection and intervention are essential for effective control.

  • Choose healthy plants from reputable nurseries.
  • Practice good garden hygiene by cleaning up fallen leaves and debris, which can harbor pests and diseases.
  • Encourage natural predators like ladybugs and lacewings, which can help control pest populations.
  • Avoid using broad-spectrum insecticides, which can harm beneficial insects alongside pests.

Remember, most daylily problems can be prevented or managed with proactive care. By providing your plants with the right conditions and taking preventive measures, you can enjoy their vibrant blooms for many years to come. If you are unsure about a specific pest or disease, do not hesitate to consult a local nursery or garden expert for advice!

Hemerocallis, commonly known as daylilies, are excellent options for floral arrangements, adding vibrant pops of color, unique textures, and even a touch of fragrance. Whether you are designing a rustic bouquet or a sophisticated centerpiece, daylilies offer several advantages:

  • Variety: With over 70,000 registered hybrids, daylilies come in a stunning array of colors, from classic yellows and oranges to vibrant reds, purples, pinks, and even bicolor. Some varieties even boast unique patterns like ruffled edges, spiderwebs, or watermarks.
  • Size and shape: Daylilies come in all sizes, from miniature varieties with 3-inch blooms to giants reaching seven inches or more. You can choose blooms that complement the scale of your arrangement and create visual interest.
  • Uniqueness: Daylily flowers have distinct trumpet-shaped, spider-like, circular, or recurved petals, adding textural variation to your arrangements. Some varieties even have fragrant blooms, providing an extra sensory experience.
  • Long-lasting: While individual daylily blooms typically last for one day, the stems can remain fresh for several days, especially with proper care. They can also be used in bud stage, as they will open beautifully in the arrangement.
  • Versatility: Daylilies can be used in various floral arrangements, from romantic bridal bouquets to rustic centerpieces for outdoor gatherings. They pair well with other summer-blooming flowers like lilies, roses, and zinnias, and can even add a touch of whimsy to mixed arrangements.

Here are some tips for using daylilies in floral arrangements:

  • Cut daylilies in the morning when the buds are just starting to open. Use sharp shears and make a clean cut at an angle.
  • Remove any damaged leaves or foliage from the stems.
  • Place the stems in a clean vase filled with fresh water and flower food.
  • Re-cut the stems and change the water every few days to keep the arrangement fresh.
  • Experiment with different combinations of daylilies and other flowers to create unique and eye-catching arrangements.

With their diverse colors, textures, and long-lasting beauty, daylilies are a fantastic addition to any floral arrangement. So do not hesitate to grab some blooms from your garden or visit your local florist to incorporate these versatile flowers into your next floral creation!

Whether Hemerocallis (daylilies) are invasive depends on the specific species and variety, as well as the local environment. Here is a breakdown of the situation:

Invasive Potential:

Certain species and hybrids:

The most concerning is Hemerocallis fulva, commonly known as the orange daylily or tawny daylily. It readily spreads through both root growth and seeds, forming dense clumps that displace native plants and disrupt ecosystems.

Some other aggressive varieties include H. lilioasphodelus (yellow daylily), H. middendorffii, and H. citrina.

Factors contributing to invasiveness:

  • Adaptability to various soil and light conditions
  • Abundant seed production
  • Lack of natural predators or diseases

Safe Choices:

Native species:

  • Hemerocallis fulva var. aurantiaca is the native North American form and is not considered invasive.
  • Other native species like H. minor and H. livida are also less aggressive.

Less invasive hybrids:

  • Many registered daylily hybrids have been bred to be more compact and sterile, significantly reducing their invasive potential.

Considerations:

Location:

  • Daylilies are more likely to become invasive in disturbed areas like roadsides and open fields than in established ecosystems.

Responsible practices:

  • Choosing non-invasive varieties, preventing seed dispersal, and proper garden maintenance can help mitigate the spread of even potentially invasive daylilies.

While some Hemerocallis species and varieties pose a threat to native ecosystems, others are perfectly safe and even beneficial for gardens. With careful research and responsible practices, you can enjoy the beauty of daylilies without contributing to their invasiveness. Remember, always check with local resources to determine the safe choices for your region.

The best time to divide Hemerocallis, also known as daylilies, depends on your climate and preferences. There are two main options:

Early spring (March to May):

  • This is the ideal time in most climates, as the soil is warming up, but the plants have not put on too much new growth yet.
  • Dividing in early spring allows the newly planted divisions to establish themselves before summer heat arrives.
  • However, avoid dividing daylilies if the ground is still frozen or if there is a risk of frost.

Early fall (September to October):

  • This is another good option, especially in warmer climates or if your spring is very short.
  • Dividing in early fall allows the divisions to benefit from mild fall weather and establish roots before winter.

However, avoid dividing too late in the fall, as the plants need time to recover before winter dormancy sets in.

Here are some additional factors to consider when deciding when to divide your Hemerocallis:

  • The age and condition of the plants: Mature clumps that are overcrowded or flowering poorly are good candidates for division.
  • The type of Hemerocallis: Some varieties are more tolerant of division than others.
  • The weather conditions: Choose a time when the soil is moist but not soggy, and the weather is mild.

No matter when you decide to divide your Hemerocallis, be sure to follow proper techniques to ensure their success.

Beyond their ornamental value, daylilies offer a surprising culinary dimension. All parts of the plant are edible, although the flowers are most commonly consumed. In China and Japan, daylilies have a long history of use as a food crop, adding a unique flavor and texture to various dishes.

  • Flowers: The flowers can be eaten raw when fully open. The petals are thick, crisp, and juicy, with a delicate sweetness at their base due to the nectar they contain. They are a nutritious addition to salads, providing reasonable quantities of protein, carbohydrates, iron, and vitamin A.
  • Flower Buds: The unopened flower buds can be cooked and enjoyed as a vegetable, with a flavor reminiscent of green beans.
  • Dried Flowers: In some Asian cuisines, the flowers are dried and used as a flavoring and thickener in soups and sauces.
  • Young Shoots: The young shoots that emerge in late winter and spring have a pleasant, sweet flavor and can be cooked and enjoyed as a vegetable.
  • Roots: Many daylily species also produce edible, nutty-flavored young roots that can be eaten raw or cooked.

You are right to ask for more suggestions! Daylilies offer a surprising range of culinary uses beyond the basics. Here are some more creative and exciting ways to incorporate them into your meals:

Expanding the Culinary Repertoire:

  • Tempura Daylily Blossoms: Dip the whole flowers in a light tempura batter and deep-fry until golden brown. Serve with a dipping sauce of your choice for a unique and flavorful appetizer.
  • Daylily Fritters: Combine chopped daylily flowers with a batter of flour, eggs, and milk. Drop spoonfuls of the batter into hot oil and fry until golden brown. These fritters can be served as a savory side dish or a sweet treat with a dusting of powdered sugar.
  • Stuffed Daylily Flowers: Use the large, open flowers as edible cups for savory fillings. You can stuff them with seasoned rice, ground meat, or a mixture of vegetables and cheese. Bake or steam until the filling is cooked through.
  • Daylily Pancakes or Muffins: Add chopped daylily flowers to your favorite pancake or muffin recipe for a touch of color and a subtle sweetness.
  • Daylily Omelet or Scramble: Sauté chopped daylily flowers with onions and garlic, then add them to your eggs for a flavorful and nutritious breakfast or brunch.
  • Daylily Soup: Create a delicate and flavorful soup by simmering daylily flowers with vegetable broth, onions, garlic, and herbs. Puree the soup for a creamy texture or leave it chunky for a more rustic feel.
  • Daylily Jam or Jelly: Though it requires a bit more effort, you can create a unique and flavorful jam or jelly using daylily petals.

Important Considerations:

  • Identification: Be absolutely sure you have correctly identified the plant as a daylily before consuming any part of it. Some lilies are toxic.
  • Source: Only consume daylilies that have been grown organically and without the use of pesticides or herbicides. Daylilies from florists or nurseries are often treated with chemicals and are not safe to eat.
  • Allergies: Some people may be allergic to daylilies. If you have any concerns, consult with a healthcare professional before consuming them.
  • Taste Testing: Start with a small amount to see how your body reacts. Not all daylily varieties have the same taste, and some might be more bitter than others.
  • Preparation: Thoroughly wash daylilies before consuming them. Remove the pistils and stamens from the flowers as they can have a bitter taste.

Daylilies offer a unique opportunity to connect with nature and explore the intersection of beauty and sustenance. By incorporating these edible flowers into your meals, you can add a touch of creativity and elegance to your culinary creations while enjoying the nutritional benefits they provide.

It is easy to assume daylilies are native to North America given their widespread presence in gardens and even growing wild along roadsides. However, their true origins lie across the ocean in Asia.

While no daylily species is indigenous to North America, their journey to this continent is intertwined with the history of human migration and horticultural fascination. It is believed that daylilies first arrived in Europe through trade routes that connected the East and West, likely the Silk Road, centuries ago. These early introductions sparked interest among European gardeners who were captivated by the daylily's beauty and resilience.

As European settlers began their westward expansion across North America, they carried with them cherished reminders of their homeland, including daylilies. These resilient plants readily adapted to the diverse climates and soils of their new environment, establishing themselves in gardens and gradually naturalizing in some regions. The familiar sight of tawny orange daylilies (Hemerocallis fulva) gracing old homesteads and roadsides is a testament to their enduring presence and ability to thrive in North America.

The story of daylilies in North America is also a testament to the passion and dedication of plant breeders. Over the centuries, hybridizers have worked tirelessly to expand the color palette, flower forms, and blooming habits of daylilies, creating the incredible diversity we see today. While these modern hybrids may not be native, they have become an integral part of the North American garden landscape, beloved for their beauty, adaptability, and ease of care.

However, it is important to acknowledge the ecological implications of introducing non-native species. While daylilies are not considered invasive in the same way as some other introduced plants, their widespread presence can sometimes impact native plant communities.

By understanding the origins of daylilies and considering native alternatives, gardeners can make informed choices that support both the beauty and ecological balance of their landscapes.

Hemerocallis Species

While the vast majority of daylilies available today are hybrids, the genus Hemerocallis boasts a fascinating array of wild species, each with its own unique charm and characteristics. These species are the foundation upon which the incredible diversity of modern daylilies has been built. Here are some notable Hemerocallis species:

1. Hemerocallis fulva (Tawny Daylily, Orange Daylily, Ditch Lily)

  • Native to: Asia (China, Japan, Korea)
  • Characteristics: One of the most recognizable and widespread daylily species, Hemerocallis fulva is known for its large, tawny-orange flowers with ruffled petals and a darker orange throat. It has a vigorous growth habit and can reach up to 6 feet tall. This species is highly adaptable and has naturalized in many parts of the world, often found growing along roadsides and in old gardens. It is also one of the oldest cultivated daylilies, with a history dating back thousands of years.
    • Notable Cultivars and Forms:
      • 'Kwanso': A double-flowered form with large, showy blooms.
      • 'Flore Pleno': Another double-flowered form with ruffled petals.
      • 'Europa': A vigorous form with clear orange flowers.

2. Hemerocallis lilioasphodelus (Lemon Lily, Yellow Daylily)

  • Native to: Europe and Asia
  • Characteristics: This species is known for its fragrant, lemon-yellow flowers with a delicate, sweet scent. It has a more refined appearance than Hemerocallis fulva and typically reaches a height of 2-3 feet. Hemerocallis lilioasphodelus is often found in meadows and along streams. It is one of the earliest daylilies to bloom, with flowers appearing in late spring or early summer.

3. Hemerocallis dumortieri (Dumortier's Daylily, Early Daylily)

  • Native to: Japan, Korea, northeastern China
  • Characteristics: This early-blooming species features clusters of small, fragrant, golden-yellow flowers. It has a compact growth habit, typically reaching a height of 1-2 feet. Hemerocallis dumortieri is one of the first daylilies to bloom in the spring, often appearing even before the last frost.

4. Hemerocallis middendorffii (Middendorff's Daylily)

  • Native to: Northeastern Asia (Siberia, China, Korea, Japan)
  • Characteristics: This species is known for its bright orange-yellow flowers and its ability to rebloom later in the season. It has a vigorous growth habit and can reach a height of 2-3 feet.

5. Hemerocallis minor (Dwarf Daylily, Grassleaf Daylily)

  • Native to: China, Mongolia, Korea, Siberia
  • Characteristics: This charming species is the smallest of the daylilies, typically reaching a height of only 12-18 inches. It features delicate, pale yellow flowers with a sweet fragrance. Hemerocallis minor is a good choice for rock gardens, containers, or the front of borders.

6. Hemerocallis citrina (Citron Daylily, Long Yellow Daylily)

  • Native to: China
  • Characteristics: This species is distinguished by its long, slender, lemon-yellow flowers that open in the evening and remain open throughout the night. It has a strong, sweet fragrance and is often used in breeding fragrant daylily hybrids.

7. Hemerocallis multiflora (Manyflowered Daylily)

  • Native to: China
  • Characteristics: As its name suggests, this species produces an abundance of small, fragrant, yellow flowers on tall, branched scapes. It has a vigorous growth habit and can reach a height of 4-5 feet.

8. Hemerocallis altissima (Tall Daylily)

  • Native to: China, Japan
  • Characteristics: This species is known for its tall flower scapes, which can reach up to 6 feet in height. It features fragrant, pale yellow flowers that open in the evening.

9. Hemerocallis flava (Lemon Daylily, Yellow Daylily)

  • Native to: China, Japan, Korea
  • Characteristics: This species is known for its fragrant, bright yellow flowers with a classic trumpet shape. It has a graceful growth habit and typically reaches a height of 2-3 feet. Hemerocallis flava is one of the parent species of many popular hybrid daylilies.

10. Hemerocallis forrestii (Forrest's Daylily)

  • Native to: China (Yunnan Province)
  • Characteristics: This species is notable for its fragrant, golden-yellow flowers with a darker throat. It has a compact growth habit and typically reaches a height of 1-2 feet. Hemerocallis forrestii is a good choice for rock gardens or the front of borders.

11. Hemerocallis aurantiaca (Orange Daylily)

  • Native to: Japan
  • Characteristics: This species features large, orange flowers with a darker orange throat. It has a vigorous growth habit and can reach a height of 3-4 feet. Hemerocallis aurantiaca is one of the parent species of many orange and red hybrid daylilies.

12. Hemerocallis thunbergii (Thunberg's Daylily)

  • Native to: Japan
  • Characteristics: This species is known for its fragrant, pale yellow flowers that open in the evening. It has a graceful growth habit and typically reaches a height of 2-3 feet.

13. Hemerocallis coreana (Korean Daylily)

  • Native to: Korea
  • Characteristics: This species features fragrant, pale yellow flowers with a darker yellow throat. It has a compact growth habit and typically reaches a height of 1-2 feet.

14. Hemerocallis esculenta (Edible Daylily)

  • Native to: Asia (China, Japan, Korea)
  • Characteristics: This species is notable for its edible flowers and buds, which are used in various culinary preparations in Asian cuisine. It has orange flowers with a darker orange throat and a vigorous growth habit.

15. Hemerocallis plicata (Pleated Daylily)

  • Native to: China
  • Characteristics: This species is distinguished by its unique pleated leaves and its fragrant, pale yellow flowers. It has a compact growth habit and typically reaches a height of 1-2 feet.

16. Hemerocallis nana (Dwarf Daylily)

  • Native to: China
  • Characteristics: This miniature species is one of the smallest daylilies, typically reaching a height of only 6-8 inches. It features delicate, pale yellow flowers. Hemerocallis nana is a good choice for rock gardens or alpine troughs.

This expanded list demonstrates the incredible diversity within the Hemerocallis genus. Each species offers unique characteristics and contributes to the vast array of colors, forms, and fragrances found in modern daylily hybrids. They are a testament to the beauty and adaptability of this beloved group of plants.

Importance of Species Daylilies:

While hybrid daylilies dominate the market, species daylilies are important for several reasons:

  • Genetic Diversity: They provide a valuable source of genetic diversity for breeding new and improved cultivars.
  • Adaptability: They are often more adaptable to local climates and soil conditions than hybrids.
  • Ecological Value: They play an important role in supporting pollinators and other wildlife.
  • Unique Beauty: They offer a distinct and often more subtle beauty than their hybrid counterparts.

Hemerocallis fulva, also known as the tawny daylily, orange daylily, ditch lily, tiger lily, or Fourth of July lily, is a species of daylily native to Asia. It is one of the most widely recognized and cultivated daylily species, admired for its showy flowers, adaptability, and ease of cultivation.

Key Features:

  • Showy Orange Flowers: Hemerocallis fulva is known for its large, trumpet-shaped flowers, typically a vibrant tawny-orange color with ruffled petals and a darker orange throat. The flowers can reach up to 6 inches in diameter and are borne on tall, sturdy scapes that rise above the foliage. Each flower lasts only a single day, but the plant produces a succession of blooms over a period of several weeks, ensuring a long-lasting display of color.
  • Vigorous Growth Habit: This species has a vigorous growth habit, forming large clumps of arching, linear leaves that can reach up to 3 feet in length. The foliage is a bright green color and provides an attractive backdrop for the vibrant flowers.
  • Adaptable and Easy to Grow: Hemerocallis fulva is highly adaptable and can thrive in a wide range of growing conditions. It prefers full sun to partial shade and tolerates various soil types, including clay and sandy soils. Once established, it is quite drought tolerant, making it a low-maintenance choice for busy gardeners.
  • Naturalizes readily: This species has a tendency to naturalize, meaning it can spread and establish itself in new areas. This can be a desirable trait for those who want to create a naturalized planting, but it can also be considered invasive in some areas.
  • Edible Flowers: The flowers and buds of Hemerocallis fulva are edible and have been used in Asian cuisine for centuries. They have a slightly sweet flavor and can be added to salads, stir-fries, or soups.

Cultivation:

  • Sunlight: Full sun to partial shade.
  • Soil: Well-drained soil; tolerates a variety of soil types.
  • Watering: Water regularly, especially during dry periods, but allow the soil to dry out between waterings.
  • Maintenance: Deadhead spent flowers to encourage continuous blooming. Divide clumps every few years to maintain vigor and prevent overcrowding.

Landscape Uses:

  • Borders: Hemerocallis fulva adds a vibrant touch to perennial borders and cottage gardens.
  • Mass Plantings: Planting in masses creates a dramatic display of color.
  • Naturalizing: Can be naturalized in meadows or woodland edges.
  • Erosion Control: Its vigorous growth habit makes it useful for erosion control on slopes.

Notable Cultivars and Forms:

  • 'Kwanso': A double-flowered form with large, showy blooms.
  • 'Flore Pleno': Another double-flowered form with ruffled petals.
  • 'Europa': A vigorous form with clear orange flowers.

Caution:

While Hemerocallis fulva is generally considered non-toxic, it is important to note that some people may experience mild stomach upset if they consume large quantities of the flowers or buds. As with any edible plant, it is always best to start with a small amount and see how your body reacts.

With its showy flowers, adaptability, and ease of cultivation, Hemerocallis fulva is a valuable addition to any garden. Whether you are looking to add a splash of color to your borders, create a naturalized planting, or simply enjoy its edible flowers, this versatile daylily is sure to impress.

Flower Color and Form:

  • Hemerocallis alba: White flowers, often fragrant.
  • Hemerocallis altissima: Very tall scapes (flower stalks), with fragrant, pale yellow flowers that open in the evening.
  • Hemerocallis aurantiaca: Orange flowers, typically with a darker eyezone.
  • Hemerocallis aurea: Golden yellow flowers, often large and fragrant.
  • Hemerocallis caerulea/coerulea: Pale blue to lavender flowers, a unique color for daylilies.
  • Hemerocallis chinensis: Orange to red flowers, often with a darker eyezone. Can be quite variable.
  • Hemerocallis citrina: Lemon yellow flowers, fragrant, with a distinctive trumpet shape. Blooms at night.
  • Hemerocallis cordata/cordifolia: Heart-shaped leaves, yellow to orange flowers.
  • Hemerocallis coreana: Pale yellow flowers, early blooming.
  • Hemerocallis crocea: Deep yellow to orange flowers.
  • Hemerocallis cucullata: Flowers with a hooded or "cupped" shape.
  • Hemerocallis darrowiana: Small, fragrant, yellow flowers.
  • Hemerocallis disticha: Double flowers, often orange or yellow.
  • Hemerocallis dumortieri/dumortierii: Early blooming, with fragrant, yellow flowers.
  • Hemerocallis esculenta: Yellow flowers, known for its edible tubers.
  • Hemerocallis exaltata: Tall scapes, large, fragrant, light yellow flowers.
  • Hemerocallis exilis: Small, delicate plant with yellow flowers.
  • Hemerocallis flava: Lemon yellow, fragrant flowers, often called the "lemon lily".
  • Hemerocallis gracilis: Slender leaves, yellow flowers.
  • Hemerocallis graminea/graminifolia: Grass-like foliage, yellow flowers.
  • Hemerocallis hakunensis/hakuunensis: Fragrant, pale yellow to cream flowers, night blooming.
  • Hemerocallis hongdoensis: Orange flowers, native to Korea.
  • Hemerocallis japonica: Early blooming, pale yellow flowers.
  • Hemerocallis Kwanso: Double, orange flowers.
  • Hemerocallis lancifolia: Lance-shaped leaves, yellow to orange flowers.
  • Hemerocallis liliastrum: Fragrant, white flowers, sometimes called the "St. Bruno's lily".
  • Hemerocallis littorea: Yellow flowers, coastal habitat.
  • Hemerocallis longituba: Long, tubular flowers, often yellow or orange.
  • Hemerocallis lutea: Yellow flowers, a classic species.
  • Hemerocallis luteola: Pale yellow flowers.
  • Hemerocallis maculata: Flowers with spotted or marked tepals.
  • Hemerocallis major: Large flowers, often yellow or orange.
  • Hemerocallis micrantha: Small flowers, typically pale yellow.
  • Hemerocallis middendorffiana/middendorffii: Orange to yellow flowers, early blooming.
  • Hemerocallis minor: Small, yellow flowers.
  • Hemerocallis mucrensis: Yellow flowers with a pointed tip.
  • Hemerocallis multiflora: Many-flowered scapes, with small, yellow flowers.
  • Hemerocallis nana: Dwarf variety, with small, yellow flowers.
  • Hemerocallis pedicellata: Flowers with long pedicels (stalks).
  • Hemerocallis plantaginea: Plantain-like leaves, fragrant, yellow flowers.
  • Hemerocallis plicata: Flowers with pleated or folded tepals.
  • Hemerocallis pumila: Dwarf variety, with yellow flowers.
  • Hemerocallis rutilans: Reddish-orange flowers.
  • Hemerocallis sempervirens: Evergreen foliage, yellow flowers.
  • Hemerocallis sendaica: Yellow flowers, native to Japan.
  • Hemerocallis serotina: Late blooming, with fragrant, yellow flowers.
  • Hemerocallis sieboldiana/sieboldii: Early blooming, with pale yellow flowers.
  • Hemerocallis spicata: Flowers arranged in a spike-like inflorescence.
  • Hemerocallis speciosa: Showy, fragrant, yellow flowers.
  • Hemerocallis sulphurea: Pale yellow to sulfur-colored flowers.
  • Hemerocallis taeanensis: Yellow flowers, native to Korea.
  • Hemerocallis tazaifu: Yellow flowers with a reddish eyezone.
  • Hemerocallis thunbergii: Fragrant, yellow flowers, blooms in the evening.
  • Hemerocallis undulata: Wavy-edged tepals, yellow to orange flowers.
  • Hemerocallis vespertina: Evening blooming, fragrant, yellow flowers.
  • Hemerocallis washingtoniana: Yellow flowers, native to the western United States.
  • Hemerocallis yezoensis: Yellow flowers, native to Japan.

Other Characteristics:

  • Bloom Time: Varies greatly, with some species blooming in early spring and others in late summer or fall.
  • Fragrance: Many species have fragrant flowers, especially those that bloom in the evening.
  • Height: Ranges from dwarf varieties to those with scapes reaching several feet tall.
  • Foliage: Typically grass-like but can vary in width and color.

Resources for More Information:

  • The American Hemerocallis Society (AHS): This organization has a wealth of information on daylilies, including a database of registered cultivars and species.