Rock Solid Daylily
Hemerocallis x hybrida 'Rock Solid'
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Hemerocallis 'Rock Solid' is noted for its robust growth and vibrant yellow flowers that bloom profusely. This cultivar is especially hardy and resistant to drought compared to other daylilies.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Select a sunny location with well-drained soil.
- Tuck roots 1-2 inches deep into the soil in early spring.
- Water thoroughly after planting to settle the soil.
- Mist cuttings regularly to maintain humidity during propagation.
- Fertilize monthly with balanced fertilizer during active growth.
- Mulch around the plant to retain moisture and suppress weeds.
Pro Tip
Ensure good air circulation to prevent fungal diseases and promote healthy blooms.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not waterlogged 🌱
- Apply fertilizer monthly during the growing season
- Remove spent flowers to encourage more blooms
- Divide clumps every 3-4 years for vigorous growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t plant in poorly drained areas
- Refrain from cutting back foliage in late fall
- Never ignore pest infestations or disease symptoms
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Rock Solid Daylily questions
What zones can Rock Solid Daylily grow in?
Rock Solid Daylily is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Rock Solid Daylily deer resistant?
Yes — Rock Solid Daylily is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Rock Solid Daylily bloom?
Rock Solid Daylily typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Rock Solid Daylily need full sun?
Rock Solid Daylily does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Rock Solid Daylily drought tolerant?
Yes — once established (usually after the first full season), Rock Solid Daylily handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Hemerocallis to compare
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Hemerocallis x hybrida 'Mix'
Daylily
Hemerocallis x hybrida 'Daylily Design'
Stella de Oro Daylily
Hemerocallis flava 'Stella de Oro'
Ruby Spider Daylily
Hemerocallis fulva 'Ruby Spider'
Happy Returns Daylily
Hemerocallis lilioasphodelus 'Happy Returns'
Daylily
Hemerocallis x hybrida 'Fragrant Reblooming Daylily Value Collection'
Keep exploring
Explore the genus
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Hardy in your zone?
Grow Rock Solid Daylily with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
