Plant Lettuce in Zone 3b
Seed-starting, transplant & harvest dates for USDA Zone 3b
Start indoors
Apr 15
Transplant
Apr 29
Direct sow
Apr 15
Harvest (~50d)
Jun 18
In Zone 3b, the average last spring frost is around May. Lettuce is a hardy crop, so give it a head start indoors about 4 weeks before that, then move it out after frost danger passes.
Last spring frost
May 13
First fall frost
Sep 18
Growing season
128 days
Full Lettuce grow guide → · All crops for Zone 3b →
Frequently asked questions
When should I start lettuce in Zone 3b?
Start lettuce seeds indoors around Apr 15 (Zone 3b).
Can I direct sow lettuce in Zone 3b?
Yes, direct sow around Apr 15.