Henry Eilers Black-eyed Susan
Rudbeckia hirta 'Henry Eilers'
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
Prefers moderate humidity
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Rudbeckia hirta 'Henry Eilers' is a hardy perennial with daisy-like flowers featuring bright yellow petals and a dark central cone, complemented by its bushy, upright growth habit and lance-shaped green foliage. This cultivar is appreciated for its exceptional flowering longevity and vibrant color, making it a popular choice for border planting and attracting pollinators.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds into moist soil in early spring
- Keep soil consistently moist during germination
- Transplant seedlings after 4-6 weeks when established
- Place in full sun for best flowering
- Water regularly during dry spells
- Divide every 3-4 years in early spring
Pro Tip
Use well-drained soil and avoid overwatering for best results
Keep It Thriving
Care Guide
Do
- Water regularly during dry periods 🌱
- Deadhead spent flowers to encourage rebloom
- Divide clumps every 3-4 years
- Plant in full sun for optimal flowering
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t fertilize excessively, too much nitrogen reduces blooms
- Do not plant in heavy, poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Spring Cleanup | ||||||||||||
| Winter Prep |
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
Henry Eilers Black-eyed Susan questions
What zones can Henry Eilers Black-eyed Susan grow in?
Henry Eilers Black-eyed Susan 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 Henry Eilers Black-eyed Susan deer resistant?
Yes — Henry Eilers Black-eyed Susan is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Henry Eilers Black-eyed Susan bloom?
Henry Eilers Black-eyed Susan 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 Henry Eilers Black-eyed Susan need full sun?
Henry Eilers Black-eyed Susan does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Henry Eilers Black-eyed Susan drought tolerant?
Yes — once established (usually after the first full season), Henry Eilers Black-eyed Susan handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
More Rudbeckia to compare
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Rudbeckia hirta 'Chim Chiminee'
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Rudbeckia hirta 'Cherokee Sunset'
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Rudbeckia hirta
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