When to Plant Spinach in Zone 9
In USDA zone 9a, start seeds indoors around December 28, transplant or plant outdoors February 1 to March 15, and expect your first harvest around March 15. Zone 9 also has a fall planting window opening around October 27. (9a shown here — see 9a and 9b dates separately below.)
Spinach planting calendar for USDA Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
spring planting
Start seeds indoors
Dec 28
Transplant outdoors
Feb 1
Projected first harvest
Mar 15
fall planting
Direct sow
Oct 27
Projected first harvest
Dec 8
spring planting
fall planting
Most spinach mature in about 41 to 45 days depending on the variety, needing roughly 275 frost-free days in zone 9a.
Spinach planting calendar for USDA Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
spring planting
Start seeds indoors
Dec 14
Transplant outdoors
Jan 18
Projected first harvest
Mar 1
fall planting
Direct sow
Nov 10
Projected first harvest
Dec 22
spring planting
fall planting
Most spinach mature in about 41 to 45 days depending on the variety, needing roughly 303 frost-free days in zone 9b.
Not sure whether you're in 9a or 9b? 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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