Rubinstern (Ruby Star)
Rubinstern (Ruby Star) blooms with a radiant, ruby-red brilliance that seems to glow above sturdy, upright stems—petals that flare like a starburst and a bold, dark center that holds the gaze. The flowers carry a firm, slightly velvety texture and a long-lasting presence in the garden, making them as satisfying in the landscape as they are in fresh bouquets. Grow Rubinstern for dependable summer color and a pollinator magnet that keeps visiting wings returning from bud to bloom.
Crop Dates
| Milestone | Date |
|---|---|
| Last Frost | Jun 1st |
| Growing Approach | Protected Environment Only |
Crop Details
| Trait | Value |
|---|---|
| Days to Maturity | 70 |
| Sun Requirements | Full Sun |
| Growth Habit | Upright |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 60 |
| Min Night Temp (°F) | 50 |
| Harden Off (days) | 7 |
Frequently Asked Questions
What’s a common pest or disease on Echinacea purpurea (purple coneflower) and how can I fix it?
How often should I water Echinacea purpurea during its main growing phase?
How do I know when to harvest or cut back Echinacea purpurea (Ruby Star) at the right time?
Rubinstern (Ruby Star) blooms with a radiant, ruby-red brilliance that seems to glow above sturdy, upright stems—petals that flare like a starburst and a bold, dark center that holds the gaze. The flowers carry a firm, slightly velvety texture and a long-lasting presence in the garden, making them as satisfying in the landscape as they are in fresh bouquets. Grow Rubinstern for dependable summer color and a pollinator magnet that keeps visiting wings returning from bud to bloom.
Sowing Tips
Soil Temperature
Direct sow or transplant when soil at planting depth holds 60°F for reliable germination and early growth.
Expert Note
For best results, stratify seeds (cold treatment) before sowing and transplant only after nights are reliably warm to prevent stunting.
