Treviso Rosso · Radicchio
Planting Schedule
Add Treviso Rosso to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Apr 21st |
| Last Frost | May 19th |
| Transplant / Direct Sow Outdoors | May 19th |
| Harvest Begins | Jul 28th |
| Harvest Ends | Sep 21st |
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.
| Trait | Value |
|---|---|
| Days to Maturity | 70 |
| Sun Requirements | ☀️ Full Sun |
| Growth Habit | Rosette |
| Support Needed | None |
| Planting Depth | Normal |
| 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.