Cobham Improved Marrow · Parsnip
Planting Schedule
Add Cobham Improved Marrow to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Direct Sow |
| Last Frost | May 13th |
| Transplant / Direct Sow Outdoors | May 13th |
| Harvest Begins | Aug 31st |
| Harvest Ends | Sep 27th |
Crop Details
Transplant Conditions:
Wait until soil reaches 45°F
and nights stay above 28°F
before moving outdoors.
| Trait | Value |
|---|---|
| Days to Maturity | 110 |
| Sun Requirements | Full Sun |
| Growth Habit | Taproot |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 50 |
| Min Soil Temp (°F) | 45 |
| Min Night Temp (°F) | 28 |
| Harden Off (days) | Not Required |
Expert Note: Sow parsnip seeds directly in deeply loosened soil and keep the surface consistently moist until germination, since they hate transplanting and transplant shock can cause forking or poor roots.