When to Plant Grand Rapids in Zone 4b
Get the exact Zone 4b timeline for your Grand Rapids. See localized frost dates, indoor sowing windows, and optimal companions below.
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Explore Grand Rapids Data
Crop Dates : 4b
| Milestone | Date |
|---|---|
| Start Indoors | Apr 15th |
| Last Frost | May 13th |
| Transplant / Sow Outdoors | May 13th |
| Harvest Begins | Jun 27th |
| Harvest Ends | Sep 27th |
