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When to plant sweet potatoes in Zone 7b
In Zone 7b, direct-sow around April 10 – April 24.
Your sweet potatoes timeline — Zone 7b
| Direct-sow | April 10 – April 24 |
|---|---|
| Zone 7b last frost | ~04/06 |
| Zone 7b first frost | ~11/01 |
Plant slips 1–2 weeks after the last frost. [src]Cited: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”
Dates computed from Zone 7b'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: University of New Hampshire Cooperative Extension — “Growing Vegetables: When to Plant Your Vegetable Garden”; University of Georgia Extension — Vegetable Planting Chart (Circular C963) (days to maturity).