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🥬 Growing Lettuce, Buttercrunch in Zone 3a
Zone 3a has harsh winters and a short growing season. Start Lettuce, Buttercrunch early indoors to maximize your harvest window. Last frost: May 22. First frost: Sep 12.
Planting Calendar
Season: May 22 – Sep 12 (113 days) · Succession: plant every 2 weeks (up to 3x)
When to Plant Lettuce, Buttercrunch in Zone 3a
Start Seeds Indoors: Apr 10
Start Lettuce, Buttercrunch seeds indoors around Apr 10 (6 weeks before last frost). Optimal germination temperature: 65°F. Germinates in 4–10 days.
Transplant Outdoors: May 1
Transplant Lettuce, Buttercrunch seedlings outdoors after May 1. Wait until soil temperature reaches 40°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.
Harvest: Jun 5
First harvest approximately Jun 5 (~35 days from transplant). Continue harvesting until first frost (Sep 12).
Fall Planting: Jul 18
For a fall harvest, plant Lettuce, Buttercrunch around Jul 18 (8 weeks before first frost).
Companion Planting
Lettuce, Buttercrunch 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 13bPlan 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