White Sweet Spanish · Onion
Planting Schedule
Add White Sweet Spanish 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 13th |
| Harvest Begins | Aug 26th |
| Harvest Ends | Sep 27th |
Crop Details
Transplant Conditions:
Wait until soil reaches 45°F
and nights stay above 35°F
before moving outdoors.
Harden off for 5 days first.
| Trait | Value |
|---|---|
| Days to Maturity | 105 |
| Sun Requirements | Full Sun |
| Growth Habit | Bulbing |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 75 |
| Min Soil Temp (°F) | 45 |
| Min Night Temp (°F) | 35 |
| Harden Off (days) | 5 |
Expert Note: For large globe bulbs, keep transplants/sets evenly watered during bulb formation and avoid nitrogen-heavy feeding after the tops establish.