When to Plant Irene in Zone 4b
Family: Lamiaceae · Herb
Planting Schedule
Add Irene to your garden to build a schedule and get reminders.
Get the exact Zone 4b timeline for your Irene. See localized frost dates, indoor sowing windows, and optimal companions below.
Need deeper agronomic data, pest profiles, and optimal flavor pairings?
Explore Irene Data
Crop Dates : 4b
| Milestone | Date |
|---|---|
| Start Indoors | Mar 18th |
| Last Frost | May 13th |
| Transplant / Sow Outdoors | Jun 24th |
| Harvest Begins | Sep 22nd |
| Harvest Ends | Sep 27th |
Garden Alerts
In Zone 4b, the average last spring frost is around May 13. Watch soil temperature before transplanting Irene.
Garden Alerts
In Zone 4b, the average last spring frost is around May 13. Watch soil temperature before transplanting Irene.