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When to Plant Boysenberries in Wexford County, MI

Boysenberries are a cross between raspberries, blackberries, and loganberries, producing large, dark, intensely flavored berries. They are excellent for jams and pies.

Wexford County, Michigan is in USDA Zone 5a. The average last spring frost is May 17 and the first fall frost is October 4, giving you a growing season of approximately 140 days.

At an elevation of 1,167 feet, Wexford County receives approximately 35.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Boysenberries to ensure they mature before fall.

Wexford County, MI (Zone 5a) Short season
140 days
Last Spring Frost May 17
140 growing days
First Fall Frost October 4

Wexford County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: Jun 2
Recommended (50%) ✓ Fits season
Transplant: Jun 7
Safe Start (90%) ✓ Fits season
Transplant: Jun 20

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

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Boysenberries needs ~7,118 GDD — county provides 1,820 GDD May not mature

Boysenberries Planting Timeline โ€” Wexford County, MI

Boysenberries Planting Calendar

Activity When Date Range
Transplant Outdoors June 7 Jun 7 โ€“ Jun 21

ยท 24" apart ยท Rows 72" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May โ€”
June Transplant Outdoors
July โ€”
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

365โ€“730 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 5a

Growing Season

140 days

Growing Tips for Wexford County

Provide strong trellising for vigorous canes. Prune spent canes to ground after harvest. Mulch heavily to retain moisture. Protect from wind to prevent cane damage.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Boysenberries in Wexford County, MI?

Wexford County is in Zone 5a with an average last frost of May 17. Plan your Boysenberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Wexford County, MI?

Wexford County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 17 and first fall frost is October 4.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Wexford County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Wexford County, MI. Local conditions may vary. Last updated: April 2026.