Lettuce, Buttercrunch illustration 🥬

🥬 Growing Lettuce, Buttercrunch in Zone 3b

Zone 3b has harsh winters and a short growing season. Start Lettuce, Buttercrunch 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 4x)

Zone3b
Last FrostMay 15
First FrostSep 22
Season Length130 days
Days to Harvest65
SunPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)

When to Plant Lettuce, Buttercrunch in Zone 3b

Start Seeds Indoors: Apr 3

Start Lettuce, Buttercrunch 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, Buttercrunch 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, Buttercrunch around Jul 28 (8 weeks before first frost).

Companion Planting

✅ Strawberries✅ Carrots✅ Beets✅ Cucumbers✅ Radishes

Frequently Asked Questions

When should I plant Lettuce, Buttercrunch in Zone 3b?

Start Lettuce, Buttercrunch seeds indoors around Apr 3. Transplant outdoors after Apr 24. Expect first harvest around May 29.

What is the last frost date for Zone 3b?

The average last spring frost date for Zone 3b is May 15. The first fall frost averages Sep 22, giving a 130-day growing season.

Can I grow Lettuce, Buttercrunch in Zone 3b?

Yes. Lettuce, Buttercrunch needs 65 days to harvest. Zone 3b has a 130-day growing season, which is sufficient. You can plant up to 4 successions.

What is the best month to plant Lettuce, Buttercrunch in Zone 3b?

The best time to start Lettuce, Buttercrunch in Zone 3b is Apr. Begin seeds indoors around Apr 3, then transplant outdoors after the last frost date of May 15.

What companion plants grow well with Lettuce, Buttercrunch?

Good companion plants for Lettuce, Buttercrunch include Strawberries, Carrots, Beets, Cucumbers, Radishes.

How long does Lettuce, Buttercrunch take to harvest?

Lettuce, Buttercrunch takes approximately 65 days from planting to harvest. In Zone 3b, expect your first harvest around May 29.

Plan Your Lettuce, Buttercrunch Garden

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

Start Free Lettuce, Buttercrunch Growing Guide