When to Plant Optima in Zone 4a
Get the exact Zone 4a timeline for your Optima. See localized frost dates, indoor sowing windows, and optimal companions below.
Need deeper agronomic data, pest profiles, and optimal flavor pairings?
Explore Optima Data
Crop Dates : 4a
| Milestone | Date |
|---|---|
| Start Indoors | Apr 17th |
| Last Frost | May 15th |
| Transplant / Sow Outdoors | May 8th |
| Harvest Begins | Jul 7th |
| Harvest Ends | Sep 24th |
