Plant Corn in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Direct sow
Jan 22
Harvest (~75d)
Apr 7
In Zone 10b, the average last spring frost is around January. Corn is a tender crop, so sow it directly around the dates above.
Last spring frost
Jan 15
First fall frost
Dec 31
Growing season
350 days
Full Corn grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start corn in Zone 10b?
Direct sow outdoors around Jan 22.
Can I direct sow corn in Zone 10b?
Yes, direct sow around Jan 22.