Plant Broccoli in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Start indoors
Dec 4
Transplant
Jan 1
Harvest (~65d)
Mar 7
In Zone 10b, the average last spring frost is around January. Broccoli is a half-hardy crop, so give it a head start indoors about 6 weeks before that, then move it out after frost danger passes.
Last spring frost
Jan 15
First fall frost
Dec 31
Growing season
350 days
Full Broccoli grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start broccoli in Zone 10b?
Start broccoli seeds indoors around Dec 4 (Zone 10b).
Can I direct sow broccoli in Zone 10b?
Broccoli is best started indoors and transplanted in Zone 10b rather than direct sown.