When to plant Watermelon in Zone 2a
In Zone 2a, Watermelon: start seeds indoors around May 8–May 22; transplant outdoors around Jun 19–Jun 26; direct sow outdoors around Jun 12–Jun 26. Expect to harvest around Sep 5–Sep 19.
| Step | When |
|---|---|
| Start seeds indoors | May 8 – May 22 |
| Transplant outdoors | Jun 19 – Jun 26 |
| Direct sow outdoors | Jun 12 – Jun 26 |
| Harvest | Sep 5 – Sep 19 |
| Harvest | Sep 12 – Sep 19 |
Tip: Needs heat and a long season. In short-summer zones, start indoors and use black plastic to warm the soil.
Zone 2a averages a last spring frost around Jun 5 and a first fall frost around Aug 25. These are zone averages — look up your ZIP for your exact area.
See the full Zone 2a calendar in the tool →