When should I plant Lettuce, Tom Thumb in Zone 6b?

Start Lettuce, Tom Thumb seeds indoors around Mar 4. Transplant outdoors after Mar 25. Expect first harvest around Apr 29.

What is the last frost date for Zone 6b?

The average last spring frost date for Zone 6b is Apr 15. The first fall frost averages Oct 22, giving a 190-day growing season.

Can I grow Lettuce, Tom Thumb in Zone 6b?

Yes. Lettuce, Tom Thumb needs 50 days to harvest. Zone 6b has a 190-day growing season, which is sufficient. You can plant up to 10 successions.

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🥬 Growing Lettuce, Tom Thumb in Zone 6b

Zone 6b has mild winters and a long growing season — good conditions for Lettuce, Tom Thumb. Last frost: Apr 15. First frost: Oct 22.

Planting Calendar

Indoor

Outdoor

Harvest

Mar 4Oct 22

Season: Apr 15 – Oct 22 (190 days) · Succession: plant every 2 weeks (up to 10x)

Zone6b

Last FrostApr 15

First FrostOct 22

Season Length190 days

Days to Harvest50

SunPart Sun / Part Shade

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Lettuce, Tom Thumb in Zone 6b

Start Seeds Indoors: Mar 4

Start Lettuce, Tom Thumb seeds indoors around Mar 4 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–10 days.

Transplant Outdoors: Mar 25

Transplant Lettuce, Tom Thumb seedlings outdoors after Mar 25. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Apr 29

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

Fall Planting: Aug 27

For a fall harvest, plant Lettuce, Tom Thumb around Aug 27 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Lettuce, Tom Thumb in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Lettuce, Tom Thumb Garden

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

Start Free Lettuce, Tom Thumb Growing Guide