DibbleWhen to plant sweet potatoes in Zone 7
In Zone 7, the last spring frost usually passes around April 10 and the first fall frost arrives around October 29, leaving about 202 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Long season. Great for succession planting and fall crops.
Planting windows for sweet potatoes in Zone 7
| Task | Window |
|---|---|
| Transplant | May 15 to May 29 |
| Estimated harvest | Aug 23 to Sep 6 |
The harvest estimate counts 100 days to maturity, then a picking window of about 14 days. These windows use typical frost dates for Zone 7; Dibble pins them to your exact ZIP code.
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Sweet Potato in a Zone 7 season
Zone 7 gives about 202 frost-free days. Sweet Potato needs roughly 100 days from transplant. That leaves about 102 days of slack, so there is room for a late start or a second planting.
How to grow sweet potatoes
Plant slips once the soil is thoroughly warm, because they sulk in cool ground. Keep them watered until they establish. Where frost is possible, harvest before it blackens the vines.
Companion plants
Good neighbors for Sweet Potato:
Better kept apart:
Sweet Potato in other zones
Not in Zone 7? Pick your zone for the same dated windows.
Keep exploring
Sweet Potato: the full growing guide · The Zone 7 planting calendar · Every crop and zone
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.