SproutSmart
SproutSmart Intelligent Garden Sowing

Romulus · Lettuce

Zone 4b Save Garden

Planting Schedule

Add Romulus to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 13th
Transplant / Direct Sow OutdoorsMay 6th
Harvest BeginsJul 15th
Harvest EndsSep 27th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity70
Sun RequirementsPart Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)40
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)6
Expert Note: For tipburn/bolt resistance, keep soil moisture even and give partial shade during heat spells while transplanting in cool weather.