When to Plant Collard Greens in Zone 6
In USDA zone 6a, start seeds indoors around February 28, transplant or plant outdoors April 11 to June 25, and expect your first harvest around June 25. Zone 6 also has a fall planting window opening around August 1. (6a shown here — see 6a and 6b dates separately below.)
Collard Greens planting calendar for USDA Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
spring planting
Start seeds indoors
Feb 28
Transplant outdoors
Apr 11
Projected first harvest
Jun 25
fall planting
Start seeds indoors
Jun 27
Transplant outdoors
Aug 1
Projected first harvest
Oct 15
spring planting
fall planting
Most collard greens mature in about 60 to 75 days depending on the variety, needing roughly 168 frost-free days in zone 6a.
Collard Greens planting calendar for USDA Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
spring planting
Start seeds indoors
Feb 23
Transplant outdoors
Apr 6
Projected first harvest
Jun 20
fall planting
Start seeds indoors
Jul 2
Transplant outdoors
Aug 6
Projected first harvest
Oct 20
spring planting
fall planting
Most collard greens mature in about 60 to 75 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
2 varieties of collard greens in the HomeSown library. Tap any for its full grow guide.
Common problems with collard greens
What to watch for, with identification and treatment for each
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