How long do sweet potatoes take to grow?

Most sweet potatoes mature in about 100 days, measured from planting.

When to Plant Sweet Potatoes

Plant sweet potatoes by your frost dates, not the calendar: plant outdoors about 4 weeks after your last frost. Pick your USDA zone below for exact dates.

Sweet Potatoes planting calendar

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Direct sow

May 13

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Projected first harvest

Aug 21

JJan

FFeb

MMar

AApr

MMay

JJun

JJul

AAug

SSep

OOct

NNov

DDec

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 7a — approximate

Most sweet potatoes mature in about 100 days. Dates above use zone 7 as a reference point. Pick your zone below, or 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.

Beauregard Sweet Potato →Ornamental Sweet Potato Vine →

Common problems with sweet potatoes

What to watch for, with identification and treatment for each

Sweet Potato Weevil Three-Lined Potato Beetle Colorado Potato Beetle Potato Psyllid Tomato Hornworm European Corn Borer Early Blight Late Blight Septoria Leaf Spot Common Scab Bacterial Wilt Hollow Heart

🌱 Grow sweet potatoes with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →

When to plant sweet potatoes in your zone

Zone 3 →Zone 4 →Zone 5 →Zone 6 →Zone 7 →Zone 8 →Zone 9 →Zone 10 →