Blog

When to Plant Rue in Floyd County, KY

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.

Floyd County, Kentucky is in USDA Zone 6b. The average last spring frost is April 21 and the first fall frost is October 21, giving you a growing season of approximately 183 days.

At an elevation of 2,218 feet, Floyd County receives approximately 52 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89ยฐF, providing good warmth for Rue during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Rue root diseases.

Floyd County, KY (Zone 6b) Moderate season
183 days
Last Spring Frost April 21
183 growing days
First Fall Frost October 21

Floyd County Soil Profile

Soil Type

Silt Loam

Soil pH

5.3-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (46 days to spare)
Transplant: Apr 21 🍅 Harvest: Jun 30 – Sep 1
Recommended (50%) ✓ Fits season (43 days to spare)
Transplant: Apr 28 🍅 Harvest: Jul 7 – Sep 8
Safe Start (90%) ✓ Fits season (35 days to spare)
Transplant: May 18 🍅 Harvest: Jul 27 – Sep 28

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Rue needs ~1,340 GDD — county provides 3,065 GDD Excellent fit

Rue Planting Timeline โ€” Floyd County, KY

Rue Planting Calendar

Activity When Date Range
Transplant Outdoors April 28 Apr 28 โ€“ May 12
Harvest July 7 Jul 7 โ€“ Sep 8

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 โ€”
July Harvest
August Harvest
September Harvest
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 6b

Growing Season

183 days

Growing Tips for Floyd 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 Floyd County, KY?

Floyd County is in Zone 6b with an average last frost of April 21. Plan your Rue planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Floyd County, KY?

Floyd County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 21 and first fall frost is October 21.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Floyd County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

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 Floyd County, KY. Local conditions may vary. Last updated: April 2026.