Grumolo Rosso · Radicchio
Planting Schedule
Add Grumolo Rosso to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Direct Sow |
| Last Frost | Mar 23rd |
| Transplant / Direct Sow Outdoors | Mar 23rd |
| Harvest Begins | May 17th |
| Harvest Ends | Nov 12th |
Crop Details
Transplant Conditions:
Wait until soil reaches 40°F
and nights stay above 28°F
before moving outdoors.
| Trait | Value |
|---|---|
| Days to Maturity | 55 |
| Sun Requirements | Full Sun |
| Growth Habit | Rosette |
| Support Needed | None |
| Planting Depth | Surface |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 40 |
| Min Night Temp (°F) | 28 |
| Harden Off (days) | Not Required |
Expert Note: For best flavor, keep radicchio rosettes growing in cool weather and avoid heat stress; sow again in late summer for a stronger fall crop.