Plant Radishes in Zone 3a
Seed-starting, transplant & harvest dates for USDA Zone 3a
Direct sow
Apr 17
Harvest (~28d)
May 15
In Zone 3a, the average last spring frost is around May. Radishes is a hardy crop, so sow it directly around the dates above.
Last spring frost
May 15
First fall frost
Sep 15
Growing season
123 days
Full Radishes grow guide → · All crops for Zone 3a →
Frequently asked questions
When should I start radishes in Zone 3a?
Direct sow outdoors around Apr 17.
Can I direct sow radishes in Zone 3a?
Yes, direct sow around Apr 17.