Plant Radishes in Zone 6a
Seed-starting, transplant & harvest dates for USDA Zone 6a
Direct sow
Mar 23
Harvest (~28d)
Apr 20
In Zone 6a, 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 20
First fall frost
Oct 13
Growing season
176 days
Full Radishes grow guide → · All crops for Zone 6a →
Frequently asked questions
When should I start radishes in Zone 6a?
Direct sow outdoors around Mar 23.
Can I direct sow radishes in Zone 6a?
Yes, direct sow around Mar 23.