🌱 Free USDA zone, frost dates & planting calendar, by ZIP About & data sources
My Planting Zone know your zone

Plant Carrots in Zone 3b

Seed-starting, transplant & harvest dates for USDA Zone 3b

Direct sow
Apr 29
Harvest (~70d)
Jul 8

In Zone 3b, the average last spring frost is around May. Carrots is a hardy crop, so sow it directly around the dates above.

Last spring frost
May 13
First fall frost
Sep 18
Growing season
128 days

Full Carrots grow guide → · All crops for Zone 3b →

Frequently asked questions

When should I start carrots in Zone 3b?

Direct sow outdoors around Apr 29.

Can I direct sow carrots in Zone 3b?

Yes, direct sow around Apr 29.