When to plant Blackberries in Jackson County, MI
Plant Blackberries in Jackson County, between May 20 and June 3 — the only viable window. Zone 6a's short season (168 frost-free days) rules out a fall crop.
When to Plant Blackberries in Jackson County, MI
Blackberries are vigorous bramble fruits that produce sweet-tart berries on thorny or thornless canes. They are prolific producers and relatively low-maintenance once established.
Jackson County, Michigan is in USDA Zone 6a. The average last spring frost is April 29 and the first fall frost is October 14, giving you a growing season of approximately 168 days.
At an elevation of 1,003 feet, Jackson County receives approximately 37.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Blackberries during the growing season.
Jackson County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Blackberries Planting Timeline — Jackson County, MI
Blackberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 20 | May 20 – Jun 3 |
· 24" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
365–730 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6a
📆 Growing Season
168 days in Jackson County
Growing Tips for Jackson County
Plant bare-root canes in spring. Provide a sturdy trellis system. Prune out spent fruiting canes after harvest. New canes fruit in their second year (floricanes).
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Blackberries in Other Locations
Frequently Asked Questions
When should I plant Blackberries in Jackson County, MI?
Jackson County is in Zone 6a with an average last frost of April 29. Plan your Blackberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, MI?
Jackson County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is April 29 and first fall frost is October 14.
When should I plant Blackberries in Jackson County, MI?
In Jackson County, MI, plant Blackberries after the last frost (around April 29) and before the first frost (around October 14). Best results when soil holds above 50°F.
What growing zone is Jackson County, MI for Blackberries?
Jackson County sits in USDA Zone 6a. Blackberries grows reliably in zones 5a through 10b, so it's a good fit here.
Can Blackberries grow in Jackson County's climate?
Yes — Blackberries grows well in Jackson County's temperate climate. Jackson County averages a 168-day frost-free season, with last frost around April 29 and first frost around October 14.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.