SproutSmart
SproutSmart Intelligent Garden Sowing

Sylvesta · Lettuce

Zone 5a Save Garden

Planting Schedule

Add Sylvesta to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 8th
Transplant / Direct Sow OutdoorsMay 8th
Harvest BeginsJul 12th
Harvest EndsSep 30th

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 Maturity65
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)5
Expert Note: For Sylvesta’s big, dark heads, keep soil evenly moist and avoid heat spikes by timing transplants so plants get cool growth during heading.