Prairie Sun
Sun-warmed petals unfurl in a golden halo around a velvety, inky center—Prairie Sun Black-eyed Susan brings bold, radiant color to the garden from early summer into fall. The blooms are richly textured, with sturdy, upright stems that hold their form and a daisy-like presence that feels both lively and refined. Grow it for long-lasting landscape impact, striking cut-flower charm, and effortless pollinator appeal that turns sunny borders into a living tapestry.
Crop Dates
| Milestone | Date |
|---|---|
| Last Frost | Jun 1st |
| Growing Approach | Protected Environment Only |
Crop Details
| Trait | Value |
|---|---|
| Days to Maturity | 90 |
| Sun Requirements | Full Sun |
| Growth Habit | Upright |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 55 |
| Min Night Temp (°F) | 40 |
| Harden Off (days) | Not Required |
Recommended Companions
Frequently Asked Questions
How do I prevent and treat powdery mildew on Rudbeckia hirta (Prairie Sun)?
How often should I water Prairie Sun Rudbeckia hirta during the main growing phase?
Sun-warmed petals unfurl in a golden halo around a velvety, inky center—Prairie Sun Black-eyed Susan brings bold, radiant color to the garden from early summer into fall. The blooms are richly textured, with sturdy, upright stems that hold their form and a daisy-like presence that feels both lively and refined. Grow it for long-lasting landscape impact, striking cut-flower charm, and effortless pollinator appeal that turns sunny borders into a living tapestry.
Sowing Tips
Soil Temperature
Direct sow or transplant when soil at planting depth holds 55°F for reliable germination and early growth.
Expert Note
Sow where they’ll live or direct-sow outdoors for best results—Rudbeckia can transplant, but seedlings establish fastest with minimal root disturbance.