Plant Zucchini in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Start indoors
Dec 25
Transplant
Jan 29
Direct sow
Jan 29
Harvest (~55d)
Mar 25
In Zone 10b, the average last spring frost is around January. 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
Jan 15
First fall frost
Dec 31
Growing season
350 days
Full Zucchini grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start zucchini in Zone 10b?
Start zucchini seeds indoors around Dec 25 (Zone 10b).
Can I direct sow zucchini in Zone 10b?
Yes, direct sow around Jan 29.