When to Plant Watermelon in West Virginia
The ultimate summer treat. Watermelons need heat, space, and patience — but the payoff is pure joy.
The Short Answer
West Virginia Frost Dates
Your planting dates depend on which part of West Virginia you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Eastern Panhandle | 6a, 6b | Apr 20 - May 5 | Oct 5 - Oct 20 |
| Central Mountains | 5a, 5b, 6a | May 1 - May 20 | Sep 20 - Oct 10 |
| Southern Valleys | 6b, 7a | Apr 10 - Apr 25 | Oct 15 - Nov 1 |
Watermelon Planting Schedule for West Virginia
Eastern Panhandle (Zones 6a, 6b)
Average last frost: Apr 20 - May 5 · Average first frost: Oct 5 - Oct 20
Central Mountains (Zones 5a, 5b, 6a)
Average last frost: May 1 - May 20 · Average first frost: Sep 20 - Oct 10
Southern Valleys (Zones 6b, 7a)
Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 15 - Nov 1
Growing Watermelon in West Virginia
Watermelon in West Virginia's Climate
Watermelon is achievable with transplants and short-to-medium season varieties. Start indoors 3 weeks before last frost. Black plastic mulch warms soil for earlier transplanting. Crimson Sweet (80 days) is the most popular variety. Your warm July-August provides the sustained heat watermelons need for sweetness.
Soil Considerations for West Virginia
Shale and sandstone soils. Acidic throughout. Thin mountain soils. Valleys have better soil depth. Raised beds often recommended. Make sure soil has warmed to at least 70°F before planting watermelon outside.
West Virginia Climate & Growing Season
Mountain climate with significant elevation variation. Cooler summers at altitude. Good rainfall. Microclimates in valleys. Watermelon cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.
Growing season length varies across West Virginia: Eastern Panhandle (6a, 6b) has a last frost around Apr 20 - May 5, while Southern Valleys (6b, 7a) sees frost end around Apr 10 - Apr 25. This difference matters for watermelon — transplant timing shifts by several weeks across the state.
Growing Tips
Black plastic mulch warms soil faster. Check ripeness by looking for a yellow ground spot and listening for a hollow thump.
Companion Planting
Plant watermelon alongside these companions for better growth:
Keep watermelon away from:
The Bottom Line
Last reviewed: March 29, 2026