When to plant Watermelon in Zone 8b
In Zone 8b, Watermelon: start seeds indoors around Feb 15–Mar 1; transplant outdoors around Mar 29–Apr 5; direct sow outdoors around Mar 22–Apr 5. Expect to harvest around Jun 15–Jun 29.
| Step | When |
|---|---|
| Start seeds indoors | Feb 15 – Mar 1 |
| Transplant outdoors | Mar 29 – Apr 5 |
| Direct sow outdoors | Mar 22 – Apr 5 |
| Harvest | Jun 15 – Jun 29 |
| Harvest | Jun 22 – Jun 29 |
Tip: Needs heat and a long season. In short-summer zones, start indoors and use black plastic to warm the soil.
Zone 8b averages a last spring frost around Mar 15 and a first fall frost around Nov 25. These are zone averages — look up your ZIP for your exact area.
See the full Zone 8b calendar in the tool →