Sweet Potato

Sweet Potato

Ipomoea batatas

Plant out 3 weeks after your last spring frost. Space plants 12 in (30 cm) apart.

Photo: USDAgov, Public domain · source

When to plant

Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.

See the dates for your garden

Enter your average last spring frost and first fall frost. Every timing on this site turns into a calendar date. Not sure of yours? Your local extension service or a search for “last frost date” and your town will tell you; the app finds them from your location.

Last spring frost
First fall frost

Saved in this browser only. Nothing is sent anywhere.

Optimal Transplant (Slips)

From a plantRecommended
  1. Plant out3 weeks after your last spring frost
  2. First harvestabout 100 days after planting out

Growing sweet potato

Spacing in the row
12 in (30 cm)
Between rows
36 in (91 cm)
Planting depth
3-4 inches (bury the slip up to its top leaves)
Sun
Full Sun
Life cycle
Annual

Feeding

How often
At planting, then once at midseason. The one side-dress goes on about 3-4 weeks after planting, before the vines cover the row; use a low-nitrogen fertilizer, since extra nitrogen grows vines instead of roots.

Your sweet potato, planned to the day.

Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.

Add sweet potato to your planting calendar →