SproutSmart
SproutSmart Intelligent Garden Sowing

Sierra · Lettuce

Zone 7a Save Garden

Planting Schedule

Add Sierra to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 23rd
Last FrostApr 20th
Transplant / Direct Sow OutdoorsApr 20th
Harvest BeginsJun 14th
Harvest EndsOct 20th

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 Maturity55
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: Even though Sierra is heat-tolerant, keep it consistent-moist and provide afternoon shade or row cover in hot spells to extend crisp growth and prevent bolting.