Plant Broccoli in Zone 9a
Seed-starting, transplant & harvest dates for USDA Zone 9a
Start indoors
Jan 18
Transplant
Feb 15
Harvest (~65d)
Apr 21
In Zone 9a, the average last spring frost is around March. 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
Mar 1
First fall frost
Nov 30
Growing season
274 days
Full Broccoli grow guide → · All crops for Zone 9a →
Frequently asked questions
When should I start broccoli in Zone 9a?
Start broccoli seeds indoors around Jan 18 (Zone 9a).
Can I direct sow broccoli in Zone 9a?
Broccoli is best started indoors and transplanted in Zone 9a rather than direct sown.