SproutSmart
SproutSmart Intelligent Garden Sowing

Grumolo Bionda · Radicchio

Zone 4b Save Garden

Planting Schedule

Add Grumolo Bionda to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 13th
Transplant / Direct Sow OutdoorsMay 13th
Harvest BeginsJul 12th
Harvest EndsSep 27th

Crop Details

Transplant Conditions: Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors.
TraitValue
Days to Maturity60
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)45
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)Not Required
Expert Note: For winter/spring harvest, keep soil cool and sow again in small batches to maintain steady rosette growth without bolting.