When to Plant Broccoli in Zone 6
In USDA zone 6a, start seeds indoors around February 21, transplant or plant outdoors April 4 to June 8, and expect your first harvest around June 8. Zone 6 also has a fall planting window opening around July 25. (6a shown here — see 6a and 6b dates separately below.)
Broccoli 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
Apr 4
Projected first harvest
Jun 8
fall planting
Start seeds indoors
Jun 20
Transplant outdoors
Jul 25
Projected first harvest
Sep 28
spring planting
fall planting
Most broccoli mature in about 50 to 200 days depending on the variety, needing roughly 168 frost-free days in zone 6a.
Broccoli 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 30
Projected first harvest
Jun 3
fall planting
Start seeds indoors
Jun 25
Transplant outdoors
Jul 30
Projected first harvest
Oct 3
spring planting
fall planting
Most broccoli mature in about 50 to 200 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
4 varieties of broccoli in the HomeSown library. Tap any for its full grow guide.
Common problems with broccoli
What to watch for, with identification and treatment for each
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