When to Plant Collard Greens in Zone 3
In USDA zone 3, start seeds indoors around April 4, transplant or plant outdoors May 16 to July 30, and expect your first harvest around July 30. Zone 3 also has a fall planting window opening around July 2.
Collard Greens planting calendar for USDA Zone 3
spring planting
Start seeds indoors
Apr 4
Transplant outdoors
May 16
Projected first harvest
Jul 30
fall planting
Start seeds indoors
May 28
Transplant outdoors
Jul 2
Projected first harvest
Sep 15
spring planting
fall planting
Most collard greens mature in about 60 to 75 days depending on the variety. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 3 means for collard greens
Average last spring frost
May 30
Average first fall frost
September 10
Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and collard greens need about 60 to 75 days depending on the variety to mature.
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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