SproutSmart
SproutSmart Intelligent Garden Sowing

Treviso Rosso · Radicchio

Zone 1a Save Garden

Planting Schedule

Add Treviso Rosso to your garden to build a schedule and get reminders.
MilestoneDate
Start IndoorsMay 18th
Last FrostJun 15th
Transplant / Direct Sow OutdoorsJun 15th
Harvest BeginsAug 24th
Harvest EndsJul 15th

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 Maturity70
Sun RequirementsFull Sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)45
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)6
Expert Note: Grow radicchio through cool weather and aim for consistent moisture; if summer heat moves in early, bitter flavors increase and heads may fail to develop.