In USDA zone 3, the last spring frost usually falls between May 5 and May 31. Plant around Apr 28 to Jun 4. Once established, expect to harvest around May 29 to Jul 10.
| Sow or plant outside | Apr 28 to Jun 4 |
|---|---|
| Harvest | May 29 to Jul 10 |
| Typical last spring frost | May 5 to May 31 |
| Typical first fall frost | around Sep 15 |
USDA zones measure winter cold, not frost dates, so these are typical dates for the zone. Towns in the same zone can be weeks apart.
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