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When to Plant Rue in Fayette County, IL

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.

Fayette County, Illinois is in USDA Zone 6a. The average last spring frost is April 12 and the first fall frost is October 18, giving you a growing season of approximately 189 days.

At an elevation of 854 feet, Fayette County receives approximately 40.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90ยฐF, providing good warmth for Rue during the growing season.

Fayette County, IL (Zone 6a) Moderate season
189 days
Last Spring Frost April 12
189 growing days
First Fall Frost October 18

Fayette County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (50 days to spare)
Transplant: Apr 13 🍅 Harvest: Jun 22 – Aug 24
Recommended (50%) ✓ Fits season (49 days to spare)
Transplant: Apr 19 🍅 Harvest: Jun 28 – Aug 30
Safe Start (90%) ✓ Fits season (52 days to spare)
Transplant: Apr 30 🍅 Harvest: Jul 9 – Sep 10

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
0.9″/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 ~1,400 GDD — county provides 3,307 GDD Excellent fit

Rue Planting Timeline โ€” Fayette County, IL

Rue Planting Calendar

Activity When Date Range
Transplant Outdoors April 19 Apr 19 โ€“ May 3
Harvest June 28 Jun 28 โ€“ Aug 30

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Transplant Outdoors
May Transplant Outdoors
June Harvest
July Harvest
August Harvest
September โ€”
October โ€”
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 6a

Growing Season

189 days

Growing Tips for Fayette 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 Fayette County, IL?

Fayette County is in Zone 6a with an average last frost of April 12. Plan your Rue planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Fayette County, IL?

Fayette County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 12 and first fall frost is October 18.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Fayette County gardeners in Zone 6a 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 Fayette County, IL. Local conditions may vary. Last updated: April 2026.