Plant Spinach in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Direct sow
Dec 11
Harvest (~45d)
Jan 25
In Zone 10b, the average last spring frost is around January. Spinach is a 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 Spinach grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start spinach in Zone 10b?
Direct sow outdoors around Dec 11.
Can I direct sow spinach in Zone 10b?
Yes, direct sow around Dec 11.