When to Plant Spinach in Zone 10
In USDA zone 10a, start seeds indoors around November 28, transplant or plant outdoors January 2 to February 13, and expect your first harvest around February 13. Zone 10 also has a fall planting window opening around November 25. (10a shown here — see 10a and 10b dates separately below.)
Spinach planting calendar for USDA Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
spring planting
Start seeds indoors
Nov 28
Transplant outdoors
Jan 2
Projected first harvest
Feb 13
fall planting
Direct sow
Nov 25
Projected first harvest
Jan 6
spring planting
fall planting
Most spinach mature in about 41 to 45 days depending on the variety, needing roughly 334 frost-free days in zone 10a.
Spinach planting calendar for USDA Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
spring planting
Start seeds indoors
Nov 28
Transplant outdoors
Jan 2
Projected first harvest
Feb 13
fall planting
Direct sow
Nov 25
Projected first harvest
Jan 6
spring planting
fall planting
Most spinach mature in about 41 to 45 days depending on the variety, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
3 varieties of spinach in the HomeSown library. Tap any for its full grow guide.
Common problems with spinach
What to watch for, with identification and treatment for each
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