SproutSmart
SproutSmart Intelligent Garden Sowing

Mighty Joe· Lettuce

Planting Schedule

Add Mighty Joe to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 28th
Last FrostApr 25th
Transplant / Direct Sow OutdoorsApr 18th
Harvest BeginsJun 22nd
Harvest EndsOct 16th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 35°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity65
Sun Requirements🌤 Part Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: For crisp heads, keep temps cool and avoid transplanting into warm soil—lettuce quality drops quickly when nights warm up.