Plant Potatoes in Zone 4a
Seed-starting, transplant & harvest dates for USDA Zone 4a
Direct sow
Apr 26
Harvest (~90d)
Jul 25
In Zone 4a, the average last spring frost is around May. Potatoes is a half-hardy crop, so sow it directly around the dates above.
Last spring frost
May 10
First fall frost
Sep 22
Growing season
135 days
Full Potatoes grow guide → · All crops for Zone 4a →
Frequently asked questions
When should I start potatoes in Zone 4a?
Direct sow outdoors around Apr 26.
Can I direct sow potatoes in Zone 4a?
Yes, direct sow around Apr 26.