SproutSmart
SproutSmart Intelligent Garden Sowing

Ruby Red · Lettuce

Zone 3a Save Garden

Planting Schedule

Add Ruby Red to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsApr 17th
Last FrostMay 15th
Transplant / Direct Sow OutdoorsMay 15th
Harvest BeginsJul 9th
Harvest EndsSep 1st

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 Maturity55
Sun RequirementsPart Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: Ruby Red Swiss Chard thrives in rich soil and can tolerate light frost, making it an excellent choice for spring and fall gardens.