The Story
Plant Bio
Rudbeckia hirta is a biennial or short-lived perennial, often grown as an annual. 'Prairie Sun' features large, 5-inch daisies with golden-yellow petals tipped in primrose yellow, surrounding a prominent light green central cone.
This cultivar is exceptional for its extended blooming period and ability to thrive in various soil types, making it a versatile choice for gardens.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
30 inches
Width
18 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Short-lived perennial, often grown as an annual
Native To
North America
Toxicity
Non-toxic to humans and pets
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a sunny location with well-drained soil.
- Tuck seeds 1/4 inch deep and water gently after sowing.
- Maintain consistent moisture until germination in 7-14 days.
- Thin seedlings to 12-18 inches apart once established.
- Mist cuttings during root development for best results.
- Fertilize monthly with a balanced fertilizer during the growing season.
Pro Tip
Mulch around plants to retain moisture and suppress weeds for healthier growth.
Keep It Thriving
Care Guide
Do
- Water deeply once a week during dry periods 🌱
- Deadhead spent flowers to encourage more blooms
- Fertilize in spring with organic compost
Don't
- Avoid overwatering to prevent root rot ❌
- Do not prune in late fall or winter
- Refrain from using chemical pesticides without organic options
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Propagate | ||||||||||||
| 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
Prairie Sun Black-eyed Susan questions
What zones can Prairie Sun Black-eyed Susan grow in?
Prairie Sun 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 Prairie Sun Black-eyed Susan deer resistant?
Yes — Prairie Sun Black-eyed Susan is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Prairie Sun Black-eyed Susan bloom?
Prairie Sun 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 Prairie Sun Black-eyed Susan need full sun?
Prairie Sun Black-eyed Susan does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Prairie Sun Black-eyed Susan drought tolerant?
Yes — once established (usually after the first full season), Prairie Sun 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

American Gold Rush Black-eyed Susan
Rudbeckia hirta 'American Gold Rush'

Autumn Colors Mix Black-eyed Susan
Rudbeckia hirta 'Autumn Colors Mix'

Goldsturm Black-eyed Susan
Rudbeckia fulgida 'Goldsturm'

Cherokee Sunset Black-eyed Susan
Rudbeckia hirta 'Cherokee Sunset'

Chim Chiminee Black-eyed Susan
Rudbeckia hirta 'Chim Chiminee'

Black-eyed Susan
Rudbeckia hirta
Keep exploring
Explore the genus
Grow Prairie Sun 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.















