SproutSmart
SproutSmart Intelligent Garden Sowing

Big Rainbow · Tomato

Zone 8a Save Garden

Planting Schedule

Add Big Rainbow to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsFeb 11th
Last FrostApr 1st
Transplant / Direct Sow OutdoorsMay 27th
Harvest BeginsAug 25th
Harvest EndsNov 5th

Crop Details

Transplant Conditions: Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 10 days first.
TraitValue
Days to Maturity90
Sun RequirementsFull Sun
Growth HabitDeterminate
Support NeededCage
Planting DepthDeep
Germination Temp (°F)80
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10
Expert Note: Transplant only when night temps are reliably warm (50°F+), and bury the stem to the lower leaves for a sturdier root system.