Plant Squash (winter) in Zone 10a
Seed-starting, transplant & harvest dates for USDA Zone 10a
Start indoors
Jan 10
Transplant
Feb 14
Direct sow
Feb 14
Harvest (~95d)
May 20
In Zone 10a, the average last spring frost is around January. Squash (winter) 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 31
First fall frost
Dec 20
Growing season
323 days
Full Squash (winter) grow guide → · All crops for Zone 10a →
Frequently asked questions
When should I start squash (winter) in Zone 10a?
Start squash (winter) seeds indoors around Jan 10 (Zone 10a).
Can I direct sow squash (winter) in Zone 10a?
Yes, direct sow around Feb 14.