When to Plant Flat Dutch Giant in Zone 1a
Your Zone 1a Flat Dutch Giant cheat sheet. All the dates and companions you need to get seeds in the ground successfully
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Crop Dates : 1a
Growing note: Zone 1a has only 30 frost-free days — shorter than this crop's 100-day maturity. Outdoor planting is not viable; use protected cultivation.
| Milestone | Date |
|---|---|
| Last Frost | Jun 15th |
| Growing Approach | Protected Environment Only |