Zwolsche Krul · Celery
Planting Schedule
Add Zwolsche Krul to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Feb 23rd |
| Last Frost | Apr 20th |
| Transplant / Direct Sow Outdoors | Apr 13th |
| Harvest Begins | Jul 2nd |
| Harvest Ends | Oct 20th |
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 | 80 |
| Sun Requirements | Part 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) | 6 |
Expert Note: Start indoors early, keep seedlings evenly moist, and transplant only when nights are consistently warm so the curly foliage develops without stress.