In USDA zone 7, the last spring frost usually falls between Apr 1 and Apr 20. Sow or plant zucchini around May 4 to Jun 3. Expect to harvest around Jun 28 to Sep 27.
| Sow or plant outside | May 4 to Jun 3 |
|---|---|
| Harvest | Jun 28 to Sep 27 |
| Typical last spring frost | Apr 1 to Apr 20 |
| Typical first fall frost | around Oct 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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