🍠 When to Plant Sweet Potatoes

Planted from slips into thoroughly warm soil. Pick your zone below for exact dates, or read the quick reference.

Season type
Warm-season
very tender
Spacing
12″ / 36″
plants / rows
Days to maturity
90–120
from transplant

Sweet potatoes grow from slips (rooted cuttings), not seed — order them or sprout your own from a store tuber. Plant well after frost into warm soil, then dig before soil temps drop in fall and cure for sweetness.

Sweet Potatoes planting windows by zone

ZoneMain planting window
Zone 1 Jun 29 – Jul 13 transplant outdoors
Zone 2 Jun 13 – Jun 27 transplant outdoors
Zone 3 May 29 – Jun 12 transplant outdoors
Zone 4 May 19 – Jun 2 transplant outdoors
Zone 5 May 6 – May 20 transplant outdoors
Zone 6 Apr 24 – May 8 transplant outdoors
Zone 7 Apr 13 – Apr 27 transplant outdoors
Zone 8 Mar 29 – Apr 12 transplant outdoors
Zone 9 Mar 6 – Mar 20 transplant outdoors
Zone 10 Feb 8 – Feb 22 transplant outdoors
Zone 11 Nearly year-round frost-free
Zone 12 Nearly year-round frost-free
Zone 13 Nearly year-round frost-free

Each zone link above has the complete schedule — and season-fit notes. Zone dates are typical medians; for windows built on your own city's frost dates, use the frost date lookup and planting calendar.