Plant Zucchini in Zone 9b
Seed-starting, transplant & harvest dates for USDA Zone 9b
Start indoors
Jan 25
Transplant
Mar 1
Direct sow
Mar 1
Harvest (~55d)
Apr 25
In Zone 9b, the average last spring frost is around February. Zucchini is a tender crop, so give it a head start indoors about 3 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 Zucchini grow guide → · All crops for Zone 9b →
Frequently asked questions
When should I start zucchini in Zone 9b?
Start zucchini seeds indoors around Jan 25 (Zone 9b).
Can I direct sow zucchini in Zone 9b?
Yes, direct sow around Mar 1.