When to Plant Raspberries in Carlton County, MN
Raspberries are beloved bramble fruits producing sweet, delicate berries in red, golden, black, and purple varieties. They spread by underground runners and are very productive.
Carlton County, Minnesota is in USDA Zone 3b. The average last spring frost is May 12 and the first fall frost is October 2, giving you a growing season of approximately 143 days.
At an elevation of 516 feet, Carlton County receives approximately 32.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82°F, so choose short-season varieties of Raspberries to ensure they mature before fall.
Carlton County Soil Profile
Soil Type
Silt Loam
Soil pH
6.2-7.1
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Raspberries Planting Timeline — Carlton County, MN
Raspberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 9 | Jun 9 – Jun 23 |
· 24" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| 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
5.5 – 6.5
USDA Zone
Zone 3b
Growing Season
143 days
Growing Tips for Carlton County
Provide a trellis for support. Prune summer-bearing types by removing spent canes after harvest. For ever-bearing types, mow all canes in late winter for a single fall crop.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Raspberries in Other Locations
Frequently Asked Questions
When should I plant Raspberries in Carlton County, MN?
Carlton County is in Zone 3b with an average last frost of May 12. Plan your Raspberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Carlton County, MN?
Carlton County, Minnesota is in USDA Hardiness Zone 3b. The average last spring frost is May 12 and first fall frost is October 2.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Carlton County gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.
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