Plant Radishes in Zone 9a
Seed-starting, transplant & harvest dates for USDA Zone 9a
Direct sow
Feb 1
Harvest (~28d)
Mar 1
In Zone 9a, the average last spring frost is around March. Radishes is a hardy crop, so sow it directly around the dates above.
Last spring frost
Mar 1
First fall frost
Nov 30
Growing season
274 days
Full Radishes grow guide → · All crops for Zone 9a →
Frequently asked questions
When should I start radishes in Zone 9a?
Direct sow outdoors around Feb 1.
Can I direct sow radishes in Zone 9a?
Yes, direct sow around Feb 1.