SproutSmart
SproutSmart Intelligent Garden Sowing

Valmaine · Lettuce

Planting Schedule

Add Valmaine to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 23rd
Last FrostApr 20th
Transplant / Direct Sow OutdoorsApr 20th
Harvest BeginsJun 29th
Harvest EndsOct 20th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 32°F before moving outdoors. Harden off for 5 days first.
TraitValue
Days to Maturity70
Sun Requirements🌤 Part Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)5
Expert Note: For romaine like Valmaine, keep seedlings cool and transplant as soon as nights are reliably above freezing and soil is workable to maximize crisp growth and reduce disease pressure.