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Hemerocallis (hem-er-oh-kal-iss) is from the Greek words hemero "one day" and callis meaning "beauty", but new buds keep daylilies in 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

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Daylilies: Vibrant, Easy-Care Perennials

Daylilies, while not true lilies, bring a burst of sunshine to any garden with their showy, colorful blooms. These clump-forming perennials are native to Asia and central Europe, and their scientific name, Hemerocallis, reflects the fleeting beauty of their individual flowers, which last for only a day. However, with continuous blooming throughout the season, the vibrant display continues for weeks.

Showy Blooms: Modern cultivars offer a rainbow of colors and shapes, ensuring there is a daylily to suit any taste.
Low Maintenance: These hardy plants thrive with minimal care, making them ideal for busy gardeners.
Adaptable: While they prefer full sun and well-drained soil, they can tolerate partial shade and a variety of soil types, even salt-laden ones.
Pollinator-Friendly: Their abundant nectar attracts butterflies and hummingbirds, adding life and movement to your garden.
Versatile Use: Perfect for borders, mass plantings, slopes, rock gardens, containers, or naturalized areas.

Planting and Care:

Sunlight: Plant in full sun for optimal flowering, but partial shade is tolerated.
Soil: Prepare well-drained soil with plenty of organic matter like compost or aged manure.
Planting Depth: Set bare root daylily with the crown of the plant 1” below the soil line.
Watering: Provide regular watering, especially during dry spells.
Division: Divide clumps every 3-5 years to maintain vigor and promote blooming.

Additional Notes:

Deer Resistance: While not entirely immune, daylilies are less prone to deer damage than many other perennials.
Toxicity to Cats: Keep in mind that all parts of daylilies are toxic to cats.

With their vibrant colors, low-maintenance nature, and versatility, daylilies are a must-have for any perennial garden. Whether you prefer bold statement plants or a naturalized meadow, there is a daylily cultivar waiting to brighten your landscape.

Common Names: Day Lilies, Daylily, Day Lily

Hemerocallis Phonetic Spelling hem-eh-roh-KAL-iss

Genus: Hemerocallis
Family: Asphodelaceae
Origin: Asia, with numerous hybrids developed worldwide
Life Cycle: Perennial
Propagation: Division
Wildlife Value: Attracts butterflies and birds
Attractive Flowers: Trumpet-shaped blooms in a wide array of colors, including gold/yellow, orange, pink, purple/lavender, red/burgundy, and white
Fragrant: Some cultivars offer a delightful scent
Long Bloom Season: Different cultivars provide continuous color from spring through summer
Habit/Form: Clumping, arching, and spreading, with long, narrow leaves.
Growth Rate: Medium
Maintenance: Low
Cultural Conditions: Thrives in full sun to partial shade, adaptable to various well-drained soils with good organic matter. Hardy in USDA Zones 3a to 9b
Landscape Locations: Suitable for recreational play areas, slopes/banks, walkways, butterfly gardens, children's gardens, and edible gardens.
Design Features: Effective as borders or in small groups.
Attracts: Butterflies and hummingbirds
Resistance: Tolerant of salt
Flowering: Each individual flower lasts only a day, but continuous blooming ensures a colorful display throughout the season.
Caution: While flowers are edible, consume in moderation due to potential diuretic or laxative effects.

With its vibrant blooms, adaptability, and low-maintenance nature, Hemerocallis is a fantastic addition to any garden, providing beauty and ecological benefits for years to come!

Hemerocallis FAQ

What Is Hemerocallis?

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.

How Do I Plant Hemerocallis?

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.

What Are The Different Varieties Of Hemerocallis?

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.

How Do I Care For Hemerocallis In My Garden?

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.

Do Hemerocallis Plants Attract Pollinators?

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!

Are There Any Common Pests Or Diseases That Affect Hemerocallis?

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!

Can I Use Hemerocallis In Floral Arrangements?

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!

Is Hemerocallis Invasive?

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.

When Is The Best Time To Divide Hemerocallis?

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.

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