SproutSmart
SproutSmart Intelligent Garden Sowing

Kalura · Lettuce

Planting Schedule

Add Kalura to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 10th
Last FrostMay 1st
Transplant / Direct Sow OutdoorsMay 1st
Harvest BeginsJun 30th
Harvest EndsOct 10th

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 Maturity60
Sun RequirementsPart Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)40
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: For large romaine heads, keep soil evenly moist and avoid letting plants dry out—irregular watering in warm weather can cause bitterness and early bolting.