When to Plant Sweet Potatoes in Zone 6
In USDA zone 6a, plant outdoors May 23 to August 31, and expect your first harvest around August 31. (6a shown here — see 6a and 6b dates separately below.)
Sweet Potatoes planting calendar for USDA Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
May 23
Projected first harvest
Aug 31
Most sweet potatoes mature in about 100 days, needing roughly 168 frost-free days in zone 6a.
Sweet Potatoes planting calendar for USDA Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
May 18
Projected first harvest
Aug 26
Most sweet potatoes mature in about 100 days, needing roughly 178 frost-free days in zone 6b.
Not sure whether you're in 6a or 6b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
2 varieties of sweet potatoes in the HomeSown library. Tap any for its full grow guide.
Common problems with sweet potatoes
What to watch for, with identification and treatment for each
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