SproutSmart
SproutSmart Intelligent Garden Sowing

Tardivo · Radicchio

Zone 5b Save Garden

Planting Schedule

Add Tardivo to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 4th
Transplant / Direct Sow OutdoorsMay 4th
Harvest BeginsJul 8th
Harvest EndsOct 5th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 30°F before moving outdoors.
TraitValue
Days to Maturity65
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)55
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)Not Required
Expert Note: Grow Tardivo radicchio for sturdy roots first, then force in winter under cool, dark, consistently moist conditions to trigger the curled, “octopus-like” leaves.