Growing Lettuce in Zone 3B

Lettuce is a fast-growing cool-season crop perfect for spring and fall gardens.

Zone 3B has a short growing season — start seeds indoors when possible and use season-extending techniques like cold frames and row covers.

Top Growing Tips

• Succession plant every 2 weeks for continuous harvest
• Bolts quickly in hot weather — plant in partial shade in summer
• Cut-and-come-again: harvest outer leaves for extended production
• Can start very early under row covers
• Grows well in containers and between larger plants

Companion Planting

Good companions: carrots, radishes, strawberries, chives

Avoid planting near: none in particular

Harvest Timeline

30-60 days from seed

About Zone 3B

USDA Hardiness Zone 3B has an average last spring frost around May 15 and first fall frost around Sep 15. All planting dates above are calculated from these frost dates. Your specific location may vary — check with your local extension office for the most accurate dates.