Indigo Radicchio · Radicchio
Planting Schedule
Add Indigo Radicchio to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Direct Sow |
| Last Frost | May 25th |
| Transplant / Direct Sow Outdoors | May 25th |
| Harvest Begins | Aug 3rd |
| Harvest Ends | Aug 29th |
Crop Details
Transplant Conditions:
Wait until soil reaches 40°F
and nights stay above 28°F
before moving outdoors.
| Trait | Value |
|---|---|
| Days to Maturity | 70 |
| Sun Requirements | Full Sun |
| Growth Habit | Rosette |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 40 |
| Min Night Temp (°F) | 28 |
| Harden Off (days) | Not Required |
Expert Note: For radicchio-style heads, keep plants evenly moist and consider mild late-season stress (cool nights) to deepen color and bitterness.