Ishikura · Bunching Onion
Planting Schedule
Add Ishikura to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Nov 20th |
| Last Frost | Jan 1st |
| Transplant / Direct Sow Outdoors | Feb 19th |
| Harvest Begins | Apr 20th |
| Harvest Ends | Dec 31st |
Crop Details
Transplant Conditions:
Wait until soil reaches 45°F
and nights stay above 35°F
before moving outdoors.
Harden off for 7 days first.
| Trait | Value |
|---|---|
| Days to Maturity | 60 |
| Sun Requirements | Full Sun |
| Growth Habit | Upright |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 45 |
| Min Night Temp (°F) | 35 |
| Harden Off (days) | 7 |
Expert Note: For the longest tender harvest, keep plants evenly watered and feed lightly once they begin active growth—avoid letting them dry out between waterings.