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When to plant watermelon in Zone 8a
In Zone 8a, start indoors around March 12 – March 19 and transplant around April 2 – April 16.
Your watermelon timeline — Zone 8a
| Start indoors | March 12 – March 19 |
|---|---|
| Transplant | April 2 – April 16 |
| Zone 8a last frost | ~03/26 |
| Zone 8a first frost | ~11/08 |
Start indoors; set out 2 weeks after the last frost. [src]Cited: Johnny's Selected Seeds — Seed-Starting Date Calculator chart
Dates computed from Zone 8a's median NOAA frost normals and the cited rule. Your town may differ by a week or two — check your exact ZIP.
What you'll need
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Last verified 2026-07-17. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rule: Johnny's Selected Seeds — Seed-Starting Date Calculator chart; University of Georgia Extension — Vegetable Planting Chart (Circular C963) (days to maturity).