Wilhelmsburger · Celeriac
Planting Schedule
Add Wilhelmsburger to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Mar 4th |
| Last Frost | May 13th |
| Transplant / Direct Sow Outdoors | May 6th |
| Harvest Begins | Aug 24th |
| Harvest Ends | Sep 27th |
Crop Details
Transplant Conditions:
Wait until soil reaches 40°F
and nights stay above 28°F
before moving outdoors.
Harden off for 6 days first.
| Trait | Value |
|---|---|
| Days to Maturity | 110 |
| Sun Requirements | ☀️ Full Sun |
| Growth Habit | Upright |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 40 |
| Min Night Temp (°F) | 28 |
| Harden Off (days) | 6 |
Expert Note: Start celeriac early indoors and transplant once nights are reliably above freezing, then “earth up” around the bulb as it enlarges for a clean, firm shape.