Plant Lettuce in Zone 4a
Seed-starting, transplant & harvest dates for USDA Zone 4a
Start indoors
Apr 12
Transplant
Apr 26
Direct sow
Apr 12
Harvest (~50d)
Jun 15
In Zone 4a, 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 10
First fall frost
Sep 22
Growing season
135 days
Full Lettuce grow guide → · All crops for Zone 4a →
Frequently asked questions
When should I start lettuce in Zone 4a?
Start lettuce seeds indoors around Apr 12 (Zone 4a).
Can I direct sow lettuce in Zone 4a?
Yes, direct sow around Apr 12.