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Yellow Day-lily

Hemerocallis lilioasphodelus

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Plant Profile

Flowering Months:
Asphodelaceae (Asphodel)
Life Cycle:
Maximum Size:
80 centimetres tall
Gardens, meadows, mountains, roadsides, rocky places, wasteland, woodland.

Yellow, 6 petals
Lemon yellow trumpet-shaped flowers, appearing in clusters. Up to 9cm across. Pollinated by insects.
The fruit of the Yellow Day-lily, known as the "fruit capsule" in UK English spellings, is a small, elongated structure that contains the plant's seeds. These capsules develop after the flower has bloomed and typically split open when mature, releasing the seeds for propagation.
A clump-forming perennial. The mid-green leaves are narrow, up to 6.5cm long and 1.5cm wide. All leaves are basal leaves.
The aroma of the Yellow Day-lily, in UK English spellings, is often described as "fragrant" or "scented." It emits a mild and pleasant fragrance that can be enjoyed when near the blooming flowers.
Other Names:
Lemon Daylily, Lemon Lily.
Frequency (UK):

Similar Species

Other Information


Hemerocallis lilioasphodelus, also known as the yellow daylily, is a perennial flowering plant that belongs to the family Hemerocallidaceae. It is native to eastern Asia, including China and Japan, and has been widely cultivated in many parts of the world for its attractive, fragrant flowers. The plant has long, narrow leaves and tall, slender stems that bear clusters of trumpet-shaped flowers that are typically yellow in color, although some varieties may have orange or red flowers. Daylilies are known for their ability to adapt to a wide range of growing conditions and are often used as ornamental plants in gardens and landscaping. They are also popular as cut flowers, and the young shoots and buds of the plant are sometimes eaten as a vegetable in some parts of Asia.


The Yellow Day-lily, also known as Hemerocallis lilioasphodelus, is a stunning and hardy plant that is popular among gardeners and flower enthusiasts. This plant is known for its bright yellow blooms, which last for just one day, hence the name Day-lily.

One of the best things about Yellow Day-lilies is their versatility. They can be grown in a variety of soils, from clay to sand, as long as they are well-drained. They are also drought-tolerant and can thrive in both full sun and partial shade. This makes them an excellent choice for gardeners in a variety of climates and growing conditions.

In terms of care, Yellow Day-lilies are relatively low-maintenance. They can be easily divided every few years to encourage healthy growth and prevent overcrowding. They also benefit from regular watering, especially during dry spells, and can be fertilized with a balanced fertilizer in the spring to promote vigorous growth and abundant blooms.

One of the standout features of Yellow Day-lilies is their bright yellow blooms. These flowers are large and trumpet-shaped, and they are produced on tall, sturdy stems. They are sure to make a bold statement in any garden, and they are also a popular choice for cut flower arrangements.

Another reason why Yellow Day-lilies are so popular is their long blooming period. Unlike other plants that may only bloom for a few weeks, Yellow Day-lilies can continue to produce blooms from early summer into the fall. This means that you can enjoy their bright yellow beauty for months on end.

The Yellow Day-lily is a versatile and hardy plant that is well-suited for a wide range of growing conditions. With its bright yellow blooms, low maintenance requirements, and long blooming period, it is a great choice for anyone who wants to add some cheerful color to their garden. Whether you are a seasoned gardener or just starting out, the Yellow Day-lily is a plant that you are sure to love.

In addition to its beauty and ease of care, Yellow Day-lilies are also valued for their low maintenance and their ability to deter pests and disease. Unlike other plants that may be vulnerable to insect pests and fungal diseases, Yellow Day-lilies are relatively resistant to these issues. This makes them a great choice for gardeners who want to create a low-maintenance, low-stress garden.

Another benefit of Yellow Day-lilies is their ability to attract pollinators, such as bees and butterflies, to the garden. These pollinators are essential for maintaining a healthy and thriving ecosystem, and they help to ensure that other plants in the garden are properly pollinated and produce fruit.

If you are looking for a plant that will add a bold pop of color to your garden, the Yellow Day-lily is a great choice. Whether you plant them in masses for a striking display or intersperse them among other perennials for a more subtle effect, you are sure to be impressed by their beauty and their low-maintenance nature.

The Yellow Day-lily is a fantastic choice for gardeners who want to add a splash of color to their garden with minimal fuss. With its bright yellow blooms, low maintenance requirements, and ability to deter pests and disease, this plant is a true gem that is sure to be a standout in any garden.

Another important aspect of Yellow Day-lilies is their versatility in landscape design. These plants can be used in a variety of ways, from filling in bare spots in the garden to creating a bold focal point. They are also great for naturalizing in meadows and along woodland edges, where they can spread and create a lush and colorful carpet of flowers.

In addition to their traditional use in gardens, Yellow Day-lilies are also popular in container gardens and as cut flowers. Their tall stems and long blooming period make them ideal for cut flower arrangements, and their ability to thrive in containers makes them a great choice for gardeners who have limited space.

When it comes to designing with Yellow Day-lilies, the possibilities are truly endless. You can plant them along a sunny border, in a meadow garden, or even in a container on your patio. Their bright yellow blooms will complement a variety of other plants, and they will create a stunning display all season long.

If you are looking for a plant that is beautiful, versatile, and low-maintenance, the Yellow Day-lily is an excellent choice. Whether you are a seasoned gardener or just starting out, this plant is sure to add color and beauty to your garden.

In addition to their beauty and versatility, Yellow Day-lilies are also a great choice for gardeners who are looking to create a sustainable garden. These plants are tough and resilient, and they require very little maintenance or input in terms of fertilizer, water, and pesticides. This makes them an excellent choice for gardeners who are looking to reduce their impact on the environment and create a more sustainable garden.

Another benefit of Yellow Day-lilies is their ability to adapt to changing conditions. Whether you live in an area with harsh summer heat or cold winter temperatures, Yellow Day-lilies are capable of thriving. This makes them a great choice for gardeners who live in a variety of climates, and it also makes them a good option for gardeners who are looking to create a garden that is resilient and able to withstand changing weather conditions.

When it comes to choosing the right location for your Yellow Day-lilies, it is important to consider their light requirements. These plants do best in full sun or partial shade, and they should be protected from strong winds, which can damage their delicate blooms. It is also important to choose a location that is well-drained, as Yellow Day-lilies are susceptible to root rot in heavy or poorly-drained soils.

In conclusion, the Yellow Day-lily is an excellent choice for gardeners who are looking for a plant that is beautiful, low-maintenance, and sustainable. With its bright yellow blooms, tough and resilient nature, and ability to thrive in a variety of conditions, this plant is sure to add color and beauty to your garden for many years to come.

30 Fascinating Facts About the Yellow Day-lily

Here are 30 fascinating facts about the Yellow Day-lily presented as bullet points:

  1. Yellow Day-lilies are scientifically known as Hemerocallis lilioasphodelus.
  2. These flowers are native to Asia and Europe.
  3. They are also called Lemon Daylilies due to their bright yellow hue.
  4. Yellow Day-lilies are perennial plants, meaning they come back year after year.
  5. Each flower typically lasts for just one day, giving them their name.
  6. They belong to the family Hemerocallidaceae.
  7. Yellow Day-lilies have been cultivated for centuries for their ornamental beauty.
  8. The blooms are trumpet-shaped with six petal-like tepals.
  9. They have a sweet and mildly fragrant scent.
  10. Yellow Day-lilies are edible, and their buds and flowers can be used in salads.
  11. The plant's roots have been used in traditional Chinese medicine.
  12. These daylilies are known for their hardiness and adaptability.
  13. They can thrive in various soil types and weather conditions.
  14. Yellow Day-lilies come in various shades of yellow, from pale lemon to deep gold.
  15. They are often used in landscaping and gardening for their vibrant color.
  16. These flowers attract pollinators like bees and butterflies.
  17. Yellow Day-lilies can be propagated through division.
  18. They are drought-tolerant once established.
  19. Some varieties of Yellow Day-lilies have variegated foliage.
  20. The plant's leaves are long and slender, resembling grass.
  21. They are resistant to many pests and diseases.
  22. Yellow Day-lilies are deer-resistant, making them suitable for gardens in deer-prone areas.
  23. The scientific name "Hemerocallis" means "beautiful for a day" in Greek.
  24. Yellow Day-lilies are often used as border plants in gardens.
  25. They were first introduced to North America in the 17th century.
  26. The plant's rhizomes can multiply rapidly, forming dense clumps.
  27. Yellow Day-lilies have been hybridized extensively, resulting in a wide range of cultivars.
  28. Some cultivars have extended bloom periods compared to the typical one-day bloom.
  29. These daylilies are considered low-maintenance garden plants.
  30. They symbolize renewal and rejuvenation in flower symbolism.

These fascinating facts should provide valuable insights for anyone interested in Yellow Day-lilies!


Yellow Day-lily filmed at the following locations:
  • Smardale, Cumbria: 16th June 2023
  • Bourton-on-the-water, Gloucestershire: 28th June 2023

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