Orange Daylily
Hemerocallis fulva
Hemerocallis fulva, commonly known as the Orange Daylily, is a vibrant perennial native to Asia. Valued for its striking orange blooms and resilience, it thrives in various garden settings, making it a popular choice among gardeners.
Everything it needs
9 essentials at a glance
Watering
Hemerocallis fulva prefers consistently moist soil, especially during its active growing season in spring and summer.
Water deeply once a week, allowing the top inch of soil to dry out between waterings. In hotter months, you may need to increase frequency to twice a week. Signs of over-watering include yellowing leaves and root rot, while under-watering may cause wilting and browning leaf tips.
Light
This plant thrives in full sun, requiring at least 6-8 hours of direct sunlight daily.
It can tolerate partial shade, but flowering may be reduced. Ideal placement includes areas with good airflow and protection from harsh afternoon sun in extremely hot climates.
Soil
Hemerocallis fulva prefers well-draining soil that is rich in organic matter.
A pH range of 6.0 to 7.0 is ideal. A recommended potting mix includes equal parts garden soil, compost, and sand to ensure proper drainage.
Humidity
This daylily prefers moderate humidity levels, ideally between 40-60%.
To increase humidity, consider misting the plant or placing a humidity tray nearby. Signs of humidity stress include browning leaf edges and stunted growth.
Temperature
Hemerocallis fulva thrives in temperatures between 65-75°F (18-24°C) and is hardy in zones 3-9.
It can tolerate brief periods of cold down to 0°F (-18°C) but may struggle in extreme heat above 90°F (32°C).
Fertilizing
Use a balanced fertilizer with an NPK ratio of 10-10-10, applying it every 4-6 weeks during the growing season.
Reduce fertilization in fall and winter. Signs of nutrient deficiency include yellowing leaves and poor flowering.
Pruning
Prune Hemerocallis fulva in early spring before new growth emerges.
Remove dead or damaged leaves and spent flowers to encourage new blooms. Use clean, sharp pruning shears to avoid damaging the plant.
Repotting
Repot every 2-3 years or when the plant becomes root-bound.
Choose a pot that is 1-2 inches larger in diameter. Signs it needs repotting include roots growing out of the drainage holes and stunted growth. To repot, gently remove the plant from its pot, loosen the roots, and place it in fresh potting mix.
Propagation
Propagation can be achieved through division or seeds.
For division, carefully dig up the plant in early spring or fall, ensuring each division has roots and foliage. Replant immediately. For seeds, collect ripe pods in late summer, sow them in a seed tray, and keep them moist until germination occurs in 2-4 weeks.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or nutrient deficiency.
How to fix it
Check soil moisture levels and reduce watering frequency. Fertilize with a balanced fertilizer if nutrient deficiency is suspected.
Root rot
Why it happens
Poor drainage or excessive watering.
How to fix it
Improve drainage by amending soil with sand or perlite, and reduce watering frequency. Remove affected roots and replant in fresh soil.
Pests (aphids, spider mites)
Why it happens
High temperatures and low humidity can attract pests.
How to fix it
Inspect plants regularly, and treat infestations with insecticidal soap or neem oil.
Poor flowering
Why it happens
Insufficient sunlight or nutrient deficiency.
How to fix it
Ensure the plant receives at least 6 hours of sunlight daily and fertilize with a balanced fertilizer to promote blooming.
Browning leaf tips
Why it happens
Low humidity or underwatering.
How to fix it
Increase humidity around the plant and ensure consistent watering to keep the soil moist.
Care through the year
Spring
In spring, prune back any dead foliage and apply a balanced fertilizer to promote new growth. Ensure consistent watering as the plant begins to emerge.
Summer
During summer, monitor soil moisture closely, especially in hot weather. Deadhead spent flowers to encourage more blooms and maintain a tidy appearance.
Fall
In fall, after blooming has finished, cut back the foliage to about 6 inches above the ground. This helps prepare the plant for winter dormancy.
Winter
In winter, protect the plant from extreme cold by applying a layer of mulch around the base. Avoid excessive watering to prevent root rot during dormancy.
Toxicity & Safety
Hemerocallis fulva is non-toxic to pets and children. However, ingestion of large quantities may cause mild gastrointestinal upset in pets. The plant is generally safe to handle.
Good to know
How often should I water my Hemerocallis fulva?
Water your Orange Daylily once a week, allowing the top inch of soil to dry out between waterings. In hotter months, you may need to water more frequently.
Why are my daylily leaves turning yellow?
Yellow leaves can indicate over-watering or a nutrient deficiency. Check the soil moisture and consider fertilizing if nutrients are lacking.
When is the best time to divide my daylilies?
The best time to divide Hemerocallis fulva is in early spring or fall when the plant is not actively blooming. This allows for successful reestablishment.
What type of fertilizer should I use for my daylilies?
Use a balanced fertilizer with an NPK ratio of 10-10-10, applying it every 4-6 weeks during the growing season for optimal growth and flowering.
How can I increase humidity for my daylily?
To increase humidity, mist the plant regularly or place a humidity tray filled with water nearby. This will help prevent browning leaf tips.
What are the signs of root rot in daylilies?
Signs of root rot include yellowing leaves, wilting, and a foul smell from the soil. If you notice these symptoms, check the roots and adjust watering.
Can I grow Hemerocallis fulva in partial shade?
Yes, Hemerocallis fulva can tolerate partial shade, but it thrives best in full sun. Flowering may be reduced in shadier conditions.
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