Plant Tomatoes in Zone 10a
Seed-starting, transplant & harvest dates for USDA Zone 10a
Start indoors
Dec 13
Transplant
Feb 14
Harvest (~75d)
Apr 30
In Zone 10a, the average last spring frost is around January. Tomatoes is a tender crop, so give it a head start indoors about 7 weeks before that, then move it out after frost danger passes.
Last spring frost
Jan 31
First fall frost
Dec 20
Growing season
323 days
Full Tomatoes grow guide → · All crops for Zone 10a →
Frequently asked questions
When should I start tomatoes in Zone 10a?
Start tomatoes seeds indoors around Dec 13 (Zone 10a).
Can I direct sow tomatoes in Zone 10a?
Tomatoes is best started indoors and transplanted in Zone 10a rather than direct sown.