SproutSmart
SproutSmart Intelligent Garden Sowing

Cosmo Savoy · Lettuce

Zone 1a Save Garden

Planting Schedule

Add Cosmo Savoy to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMay 25th
Last FrostJun 15th
Transplant / Direct Sow OutdoorsJun 15th
Harvest BeginsAug 4th
Harvest EndsJul 15th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 35°F before moving outdoors. Harden off for 5 days first.
TraitValue
Days to Maturity50
Sun RequirementsPart Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)5
Expert Note: For early, sweet heads, keep soil evenly moist and target cool weather—heat quickly turns romaine bitter.