Lettuce, Red Sails illustration 🥬

🥬 Growing Lettuce, Red Sails in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Lettuce, Red Sails early indoors to maximize your harvest window. Last frost: May 15. First frost: Sep 22.

Planting Calendar

Indoor
Outdoor
Harvest
Apr 3Sep 22

Season: May 15 – Sep 22 (130 days) · Succession: plant every 2 weeks (up to 6x)

Zone3b
Last FrostMay 15
First FrostSep 22
Season Length130 days
Days to Harvest45
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Red Sails in Zone 3b

Start Seeds Indoors: Apr 3

Start Lettuce, Red Sails seeds indoors around Apr 3 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–10 days.

Transplant Outdoors: Apr 24

Transplant Lettuce, Red Sails seedlings outdoors after Apr 24. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: May 29

First harvest approximately May 29 (~35 days from transplant). Continue harvesting until first frost (Sep 22).

Fall Planting: Jul 28

For a fall harvest, plant Lettuce, Red Sails around Jul 28 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Plan Your Lettuce, Red Sails Garden

Track Lettuce, Red Sails from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Lettuce, Red Sails Growing Guide