Illini Hardy · Blackberry
Planting Schedule
Add Illini Hardy to your garden to build a schedule and get reminders.
| Milestone | Date |
|---|---|
| Start Indoors | Direct Sow |
| Last Frost | May 19th |
| Transplant / Direct Sow Outdoors | May 19th |
| Harvest Begins | May 19th |
| Harvest Ends | Sep 21st |
Crop Details
Transplant Conditions:
Wait until soil reaches 50°F
and nights stay above 28°F
before moving outdoors.
Harden off for 7 days first.
| Trait | Value |
|---|---|
| Days to Maturity | 365 |
| Sun Requirements | Full Sun |
| Growth Habit | Shrub |
| Support Needed | Trellis |
| Planting Depth | Normal |
| Germination Temp (°F) | 70 |
| Min Soil Temp (°F) | 50 |
| Min Night Temp (°F) | 28 |
| Harden Off (days) | 7 |
Expert Note: Plant blackberry crowns so the crown sits at grade, water in deeply, and plan to mulch to moderate soil temperature year-round.