Plant Lettuce in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Start indoors
Dec 18
Transplant
Jan 1
Direct sow
Dec 18
Harvest (~50d)
Feb 20
In Zone 10b, the average last spring frost is around January. Lettuce is a hardy crop, so give it a head start indoors about 4 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 Lettuce grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start lettuce in Zone 10b?
Start lettuce seeds indoors around Dec 18 (Zone 10b).
Can I direct sow lettuce in Zone 10b?
Yes, direct sow around Dec 18.