SproutSmart
SproutSmart Intelligent Garden Sowing

Coastal Star · Lettuce

Zone 9a Save Garden

Planting Schedule

Add Coastal Star to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsFeb 6th
Last FrostMar 6th
Transplant / Direct Sow OutdoorsMar 6th
Harvest BeginsMay 5th
Harvest EndsNov 26th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 35°F before moving outdoors. Harden off for 6 days first.
TraitValue
Days to Maturity60
Sun RequirementsPart Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: Because 'Coastal Star' tolerates heat better than many romaines, set transplants as soon as nights are reliably above the low 40s to avoid slow growth and oversized heads later.