Plant Potatoes in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Direct sow
Jan 1
Harvest (~90d)
Apr 1
In Zone 10b, the average last spring frost is around January. Potatoes is a half-hardy crop, so sow it directly around the dates above.
Last spring frost
Jan 15
First fall frost
Dec 31
Growing season
350 days
Full Potatoes grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start potatoes in Zone 10b?
Direct sow outdoors around Jan 1.
Can I direct sow potatoes in Zone 10b?
Yes, direct sow around Jan 1.