SproutSmart
SproutSmart Intelligent Garden Sowing

Kalura Cos · Lettuce

Zone 3b Save Garden

Planting Schedule

Add Kalura Cos to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 21st
Last FrostMay 19th
Transplant / Direct Sow OutdoorsMay 12th
Harvest BeginsJul 11th
Harvest EndsSep 21st

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 32°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity60
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)6
Expert Note: For best crispness, keep soil consistently moist and avoid heat spikes—shade cloth can help if nights stay warm.