SproutSmart
SproutSmart Intelligent Garden Sowing

Castelfranco · Radicchio

Zone 8a Save Garden

Planting Schedule

Add Castelfranco to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 1st
Transplant / Direct Sow OutdoorsMar 25th
Harvest BeginsJun 8th
Harvest EndsNov 5th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors.
TraitValue
Days to Maturity75
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)Not Required
Expert Note: For Castelfranco (a chicory/radicchio type), sow so plants size up before hard cold, then use cool weather to sweeten and intensify color.