Denver Daisy Black-Eyed Susan
Rudbeckia hirta 'Denver Daisy'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
18 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Short-lived perennial or annual
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Rudbeckia hirta, or Black-Eyed Susan, is a cheerful, but often short-lived, herbaceous perennial with bright, daisy-like flowers and dark central disks. It is frequently grown as an annual or biennial. The 'Denver Daisy' cultivar is prized for its large, bicolored flowers with golden-yellow petals tipped in mahogany-red around a dark brown cone, and its long bloom season.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds into moist soil in early spring.
- Water regularly to keep soil moist but not waterlogged.
- Provide full sun for optimal growth.
- Thin seedlings to prevent overcrowding after sprouting.
- Fertilize with balanced fertilizer during spring.
- Deadhead spent flowers to encourage more blooms.
Pro Tip
Plant in well-drained soil with full sun for best results.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Deadhead to prolong blooming
- Mulch to retain soil moisture
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t disturb roots when dividing
- Refrain from fertilizing late in the season
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Propagate | ||||||||||||
| 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
Denver Daisy Black-Eyed Susan questions
What zones can Denver Daisy Black-Eyed Susan grow in?
Denver Daisy Black-Eyed Susan is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Denver Daisy Black-Eyed Susan deer resistant?
Yes — Denver Daisy Black-Eyed Susan is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Denver Daisy Black-Eyed Susan bloom?
Denver Daisy Black-Eyed Susan typically blooms in mid-summer through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Denver Daisy Black-Eyed Susan need full sun?
Denver Daisy Black-Eyed Susan does best in full sun (6+ hours).
Is Denver Daisy Black-Eyed Susan drought tolerant?
Yes — once established (usually after the first full season), Denver Daisy 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
Black-eyed Susan
Rudbeckia hirta 'American Gold Rush'
Black-eyed Susan
Rudbeckia hirta 'Autumn Colors Mix'
Black-eyed Susan
Rudbeckia fulgida 'Goldsturm'
Chim Chiminee Black-eyed Susan
Rudbeckia hirta 'Chim Chiminee'
Cherokee Sunset Black-eyed Susan
Rudbeckia hirta 'Cherokee Sunset'
Black-eyed Susan
Rudbeckia hirta
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Grow Denver Daisy Black-Eyed Susan 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.
