Plant Broccoli in Zone 9b
Seed-starting, transplant & harvest dates for USDA Zone 9b
Start indoors
Jan 4
Transplant
Feb 1
Harvest (~65d)
Apr 7
In Zone 9b, the average last spring frost is around February. 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
Feb 15
First fall frost
Dec 10
Growing season
298 days
Full Broccoli grow guide → · All crops for Zone 9b →
Frequently asked questions
When should I start broccoli in Zone 9b?
Start broccoli seeds indoors around Jan 4 (Zone 9b).
Can I direct sow broccoli in Zone 9b?
Broccoli is best started indoors and transplanted in Zone 9b rather than direct sown.