When to plant Watermelon in Zone 7b
In Zone 7b, Watermelon: start seeds indoors around Mar 4–Mar 18; transplant outdoors around Apr 15–Apr 22; direct sow outdoors around Apr 8–Apr 22. Expect to harvest around Jul 2–Jul 16.
| Step | When |
|---|---|
| Start seeds indoors | Mar 4 – Mar 18 |
| Transplant outdoors | Apr 15 – Apr 22 |
| Direct sow outdoors | Apr 8 – Apr 22 |
| Harvest | Jul 2 – Jul 16 |
| Harvest | Jul 9 – Jul 16 |
Tip: Needs heat and a long season. In short-summer zones, start indoors and use black plastic to warm the soil.
Zone 7b averages a last spring frost around Apr 1 and a first fall frost around Nov 10. These are zone averages — look up your ZIP for your exact area.
See the full Zone 7b calendar in the tool →