Plant Radishes in Zone 10b
Seed-starting, transplant & harvest dates for USDA Zone 10b
Direct sow
Dec 18
Harvest (~28d)
Jan 15
In Zone 10b, the average last spring frost is around January. Radishes is a hardy crop, so sow it directly around the dates above.
Last spring frost
Jan 15
First fall frost
Dec 31
Growing season
350 days
Full Radishes grow guide → · All crops for Zone 10b →
Frequently asked questions
When should I start radishes in Zone 10b?
Direct sow outdoors around Dec 18.
Can I direct sow radishes in Zone 10b?
Yes, direct sow around Dec 18.