Plant Radishes in Zone 6b
Seed-starting, transplant & harvest dates for USDA Zone 6b
Direct sow
Mar 18
Harvest (~28d)
Apr 15
In Zone 6b, the average last spring frost is around April. Radishes is a hardy crop, so sow it directly around the dates above.
Last spring frost
Apr 15
First fall frost
Oct 18
Growing season
186 days
Full Radishes grow guide → · All crops for Zone 6b →
Frequently asked questions
When should I start radishes in Zone 6b?
Direct sow outdoors around Mar 18.
Can I direct sow radishes in Zone 6b?
Yes, direct sow around Mar 18.