GrowZone

Crop by USDA zone

When to plant watermelon in zone 7b

In USDA zone 7b, plant watermelon around Apr 24, after the representative last frost near Apr 10. Start seeds indoors around Mar 20.

This page summarizes the supported ZIPs in zone 7b. Your exact city can move earlier or later, so use the ZIP lookup for the frost-station-specific answer.

Get exact watermelon dates by ZIP code.

Seed starting schedule

Watermelon dates for Nashville, TN

StepDateHow to use it
Start IndoorsMarch 20, 2026Start seeds under lights or in a bright indoor seed-starting space.
Transplant OutdoorsApril 24, 2026Move hardened-off seedlings outside after the frost-risk window.
Direct SowApril 24, 2026Sow seed outside when the crop and soil can handle the window.
New York, NY · Zone 7b Watermelon Apr 22 Open ZIP-specific answer · last frost Apr 8 Philadelphia, PA · Zone 7b Watermelon Apr 24 Open ZIP-specific answer · last frost Apr 10 Washington, DC · Zone 7b Watermelon Apr 29 Open ZIP-specific answer · last frost Apr 15 Baltimore, MD · Zone 7b Watermelon Apr 29 Open ZIP-specific answer · last frost Apr 15 Nashville, TN · Zone 7b Watermelon Apr 24 Open ZIP-specific answer · last frost Apr 10 Oklahoma City, OK · Zone 7b Watermelon Apr 19 Open ZIP-specific answer · last frost Apr 5 Tulsa, OK · Zone 7b Watermelon Apr 19 Open ZIP-specific answer · last frost Apr 5 Albuquerque, NM · Zone 7b Watermelon Apr 29 Open ZIP-specific answer · last frost Apr 15