SproutSmart
SproutSmart Intelligent Garden Sowing

All Year Round · Lettuce

Planting Schedule

Add All Year Round to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDec 4th
Last FrostJan 1st
Transplant / Direct Sow OutdoorsJan 1st
Harvest BeginsFeb 20th
Harvest EndsDec 31st

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 30°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity50
Sun Requirements🌤 Part Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)6
Expert Note: Butterhead lettuce performs best when nights are cool—plan sowing/transplanting to avoid hot midsummer conditions and use shade if needed.