Plant Broccoli in Zone 10a
Seed-starting, transplant & harvest dates for USDA Zone 10a
Start indoors
Dec 20
Transplant
Jan 17
Harvest (~65d)
Mar 23
In Zone 10a, 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 31
First fall frost
Dec 20
Growing season
323 days
Full Broccoli grow guide → · All crops for Zone 10a →
Frequently asked questions
When should I start broccoli in Zone 10a?
Start broccoli seeds indoors around Dec 20 (Zone 10a).
Can I direct sow broccoli in Zone 10a?
Broccoli is best started indoors and transplanted in Zone 10a rather than direct sown.