SproutSmart
SproutSmart Intelligent Garden Sowing

Optima · Lettuce

Zone 12b Save Garden

Planting Schedule

Add Optima to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDec 4th
Last FrostJan 1st
Transplant / Direct Sow OutdoorsDec 25th
Harvest BeginsFeb 23rd
Harvest EndsDec 31st

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 RequirementsPart Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)6
Expert Note: For best Optima head quality, keep soil evenly moist and avoid heat—use shade/row cover when late-spring temperatures rise.