When to Plant Broccoli in Zone 10
In USDA zone 10a, start seeds indoors around November 28, transplant or plant outdoors January 9 to March 15, and expect your first harvest around March 15. Zone 10 also has a fall planting window opening around October 14. (10a shown here — see 10a and 10b dates separately below.)
Broccoli planting calendar for USDA Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
spring planting
Start seeds indoors
Nov 28
Transplant outdoors
Jan 9
Projected first harvest
Mar 15
fall planting
Start seeds indoors
Sep 9
Transplant outdoors
Oct 14
Projected first harvest
Dec 18
spring planting
fall planting
Most broccoli mature in about 50 to 200 days depending on the variety, needing roughly 334 frost-free days in zone 10a.
Broccoli planting calendar for USDA Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
spring planting
Start seeds indoors
Nov 28
Transplant outdoors
Jan 9
Projected first harvest
Mar 15
fall planting
Start seeds indoors
Sep 9
Transplant outdoors
Oct 14
Projected first harvest
Dec 18
spring planting
fall planting
Most broccoli mature in about 50 to 200 days depending on the variety, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? 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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