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When to Plant Rue in Wexford County, MI

Rue is a bitter, aromatic perennial herb with bluish-green foliage used historically in medicine and as a pest deterrent. Handle with care as its sap can cause skin irritation.

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 Rue 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 (1 days to spare)
Transplant: May 19 🍅 Harvest: Jul 28 – Sep 29
Recommended (50%) ✓ Fits season (0 days to spare)
Transplant: May 24 🍅 Harvest: Aug 2 – Oct 4
Safe Start (90%) ✓ Fits season (6 days to spare)
Transplant: Jun 6 🍅 Harvest: Aug 15 – Oct 17

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
0.5″/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

Rue needs ~1,040 GDD — county provides 1,820 GDD Excellent fit

Rue Planting Timeline โ€” Wexford County, MI

Rue Planting Calendar

Activity When Date Range
Transplant Outdoors May 24 May 24 โ€“ Jun 7
Harvest August 2 Aug 2 โ€“ Oct 4

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

70โ€“90 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 5a

Growing Season

140 days

Growing Tips for Wexford County

Start seeds indoors or direct sow. Plant in well-drained soil. Wear gloves when handling as sap can cause phytophotodermatitis. Prune in early spring.

Companion Planting

Good Companions

Avoid Planting Near

  • Basil
  • Sage

Level Up Your Garden

Frequently Asked Questions

When should I plant Rue in Wexford County, MI?

Wexford County is in Zone 5a with an average last frost of May 17. Plan your Rue 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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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.