When to Plant Jostaberry in Hamilton, ON
Jostaberry is a thornless hybrid of black currant and gooseberry, producing medium-sized, dark berries with a complex, tart-sweet flavor. It is vigorous and disease-resistant.
Hamilton, Ontario is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 1, giving you a growing season of approximately 220 days.
At an elevation of 246 feet, Hamilton receives approximately 45.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°F, providing good warmth for Jostaberry during the growing season. Clay soil retains moisture well for Jostaberry, but amend with compost to improve drainage and prevent root rot.
Hamilton Soil Profile
Soil Type
Clay Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Jostaberry Planting Timeline — Hamilton, ON
Jostaberry Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 16 | Apr 16 – Apr 30 |
· 48" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
730–1095 days
🧪 Soil pH
Needs 6–6.5 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
220 days in Hamilton
Growing Tips for Hamilton
Plant in rich, well-drained soil. No special pruning required beyond removing old wood. Self-fertile but yields improve with a second bush. Berries ripen midsummer.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Jostaberry in Other Locations
Frequently Asked Questions
When should I plant Jostaberry in Hamilton, ON?
Hamilton is in Zone 8a with an average last frost of March 26. Plan your Jostaberry planting based on this frost date — see the calendar above for exact timing.
What planting zone is Hamilton, ON?
Hamilton, Ontario is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 1.
Your Hamilton Garden Planner — Free
A 22-page printable planner built for Hamilton (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.