When to Plant Ruby Sky in Zone 4a
Family: Asteraceae · Leafy Green
Planting Schedule
Add Ruby Sky to your garden to build a schedule and get reminders.
Get the exact Zone 4a timeline for your Ruby Sky. See localized frost dates, indoor sowing windows, and optimal companions below.
Need deeper agronomic data, pest profiles, and optimal flavor pairings?
Explore Ruby Sky Data
Crop Dates : 4a
| Milestone | Date |
|---|---|
| Start Indoors | Apr 17th |
| Last Frost | May 15th |
| Transplant / Sow Outdoors | May 8th |
| Harvest Begins | Jun 27th |
| Harvest Ends | Sep 24th |
Garden Alerts
In Zone 4a, the average last spring frost is around May 15. Watch soil temperature before transplanting Ruby Sky.
Garden Alerts
In Zone 4a, the average last spring frost is around May 15. Watch soil temperature before transplanting Ruby Sky.