🥔 When to Plant Potatoes

Plant seed pieces early; hill as they grow. Pick your zone below for exact dates, or read the quick reference.

Season type
Cool-season
half-hardy
Spacing
12″ / 30″
plants / rows
Days to maturity
70–100
from sowing

Plant certified seed potatoes 2–4 weeks before last frost — sprouts emerging into a late freeze regrow. Hill soil up around stems twice; tubers exposed to light turn green and bitter.

Potatoes planting windows by zone

ZoneMain planting window
Zone 1 May 18 – Jun 1 direct sow
Zone 2 May 2 – May 16 direct sow
Zone 3 Apr 17 – May 1 direct sow
Zone 4 Apr 7 – Apr 21 direct sow
Zone 5 Mar 25 – Apr 8 direct sow
Zone 6 Mar 13 – Mar 27 direct sow
Zone 7 Mar 2 – Mar 16 direct sow
Zone 8 Feb 15 – Mar 1 direct sow
Zone 9 Jan 23 – Feb 6 direct sow
Zone 10 Dec 28 – Jan 11 direct sow
Zone 11 Coolest months (Oct–Mar) frost-free
Zone 12 Coolest months (Oct–Mar) frost-free
Zone 13 Coolest months (Oct–Mar) frost-free

Each zone link above has the complete schedule — direct sowing, 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.