When to Plant Spinach in Zone 6
In USDA zone 6a, start seeds indoors around February 21, transplant or plant outdoors March 28 to May 9, and expect your first harvest around May 9. Zone 6 also has a fall planting window opening around September 5. (6a shown here — see 6a and 6b dates separately below.)
Spinach planting calendar for USDA Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
spring planting
Start seeds indoors
Feb 21
Transplant outdoors
Mar 28
Projected first harvest
May 9
fall planting
Direct sow
Sep 5
Projected first harvest
Oct 17
spring planting
fall planting
Most spinach mature in about 41 to 45 days depending on the variety, needing roughly 168 frost-free days in zone 6a.
Spinach planting calendar for USDA Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
spring planting
Start seeds indoors
Feb 16
Transplant outdoors
Mar 23
Projected first harvest
May 4
fall planting
Direct sow
Sep 10
Projected first harvest
Oct 22
spring planting
fall planting
Most spinach mature in about 41 to 45 days depending on the variety, needing roughly 178 frost-free days in zone 6b.
Not sure whether you're in 6a or 6b? 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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