When to Plant Cynthia in Zone 1a
Your Zone 1a Cynthia cheat sheet. All the dates and companions you need to get seeds in the ground successfully
Want the complete botanical breakdown and expert growing tips?
View Cynthia Guide
Crop Dates : 1a
Growing note: Zone 1a has only 30 frost-free days — shorter than this crop's 70-day maturity. Outdoor planting is not viable; use protected cultivation.
| Milestone | Date |
|---|---|
| Last Frost | Jun 15th |
| Growing Approach | Protected Environment Only |
