In USDA zone 5, the last spring frost usually falls between Apr 10 and May 10. Sow or plant watermelon around May 18 to Jun 17. Expect to harvest around Aug 23 to Oct 11.
| Sow or plant outside | May 18 to Jun 17 |
|---|---|
| Harvest | Aug 23 to Oct 11 |
| Typical last spring frost | Apr 10 to May 10 |
| 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.
Get dates for watermelon in your exact town, not just your zone.
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