SproutSmart
SproutSmart Intelligent Garden Sowing

Waldmann's Dark Green · Lettuce

Planting Schedule

Add Waldmann's Dark Green to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMay 4th
Last FrostJun 1st
Transplant / Direct Sow OutdoorsJun 1st
Harvest BeginsJul 16th
Harvest EndsAug 1st

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 30°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity45
Sun Requirements🌤 Part Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)6
Expert Note: For best head/leaf quality, keep lettuce cool—transplant in consistently cool weather and avoid sowing during hot spells.