Also known as Daylily · 7.2k saves
Hemerocallis
Hemerocallis, the genus most gardeners know as daylily. We track 145 varieties; the ones most used by real gardeners.
The 24 most-saved Hemerocallis varieties
See all 145 Hemerocallis varieties →Search this genus →
6 species of Hemerocallis
Each one is a parent of the varieties above.
Track your Hemerocallis in Sow
Save the Hemerocallis you grow and get care reminders timed to your zone.
How to grow Hemerocallis
Whats common across all Hemerocallis varieties in our catalog — drawn from the care records of the 40 most-grown of them.
The Hemerocallis year
- DivideMarch, August and September100% of varieties
Divide crowded clumps every 3-5 years to maintain vigor
- Spring CleanupFebruary100% of varieties
Cut back old, dead foliage to the ground before new growth appears
- DeadheadMay–August98% of varieties
Remove spent flower scapes completely to keep the plant tidy
- FertilizeMarch83% of varieties
Apply a balanced slow-release fertilizer as new shoots emerge
- MulchMarch38% of varieties
Apply 2-3 inches of organic mulch to conserve moisture
- PlantMarch, April, September and October33% of varieties
Plant or transplant bare-root divisions
Do
- Water regularly during dry spells 🌱
- Apply mulch to conserve moisture
- Water regularly during dry periods 🌱
- Remove spent flowers to encourage reblooming
- Apply mulch to retain soil moisture
Avoid
- Avoid overwatering to prevent root rot ❌
- Refrain from fertilizing late in the season
- Avoid overwatering which can cause root rot ❌
- Skip fertilizing in late fall
What goes wrong with Hemerocallis
| Problem | What you'll see | What to do |
|---|---|---|
| Aphids | Sticky residue and distorted leaves | Use insecticidal soap or neem oil |
| Spider Mites | Fine webbing and speckled leaves | Spray with water or insecticidal soap |
| Spider mites | Webbing on leaves | Apply neem oil |
| Daylily Rust | Orange pustules on leaves | Apply fungicide and remove affected foliage. |
| Daylily rust | Yellow to orange spots on leaves | Remove infected leaves and apply fungicide |
| Leaf streak | Yellow streaks on leaves | Remove infected foliage and ensure good air circulation |
| Leaf Spot | Brown or black spots on leaves | Apply fungicide and avoid overhead watering |
Making more Hemerocallis
Division
- Dig up the clump in early spring or fall.
- Separate offsets with a sharp knife or spade.
- Replant divisions immediately in prepared soil.
- Water thoroughly after planting.
Seed
- Collect seeds from mature seed pods in late summer.
- Sow seeds in seed-starting mix in containers.
- Maintain moist soil and provide bright indirect light.
- Transplant seedlings when large enough.
Hemerocallis questions
How many types of Hemerocallis are there?
The Sow catalog tracks 145 distinct Hemerocallis varieties. The most popular — ranked by 7.2k real gardeners — are shown first above.
What zones does Hemerocallis grow in?
Across its varieties, Hemerocallis covers USDA Zones 4–10. Individual varieties differ — each plant page lists its exact range, and Sow filters the catalog to your zone automatically.
When does Hemerocallis bloom?
Most Hemerocallis varieties bloom in late spring to summer, midsummer, early summer. Staggering early, mid, and late varieties extends the genus's season in one bed.
Which Hemerocallis should I choose?
Start from the most-saved varieties above — popularity across thousands of gardens is a strong signal of reliability — then filter by your zone and sun. In the Sow app you can preview any of them in a photo of your actual yard before you buy.