SproutSmart
SproutSmart Intelligent Garden Sowing

Ruby Red · Lettuce

Zone 7a Save Garden

Planting Schedule

Add Ruby Red to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMar 23rd
Last FrostApr 20th
Transplant / Direct Sow OutdoorsApr 20th
Harvest BeginsJun 14th
Harvest EndsOct 20th

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.