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When to plant Rue in Clay County, KY

Clay County's short 187-day growing season means one Rue planting between April 25 and May 9. No fall crop in Zone 7a.

When to Plant Rue in Clay 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.

Clay County, Kentucky is in USDA Zone 7a. The average last spring frost is April 18 and the first fall frost is October 22, giving you a growing season of approximately 187 days.

At an elevation of 2,567 feet, Clay County receives approximately 54.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Rue during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Rue root diseases.

Clay County, KY (Zone 7a) Moderate season
187 days
Last Spring Frost April 18
187 growing days
First Fall Frost October 22

Clay County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7

Drainage

Well Drained

Monthly Watering Guide for Rue

Rue needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Rue Needs Rainfall You Supplement Action
Jan 4.4" 0" ❄️ Dormant
Feb 4.4" 0" ❄️ Dormant
Mar 5.7" 0" ❄️ Dormant
Apr 4.3" 3.9" 0.4" 💧 Light watering
May 4.3" 4.4" 0" ✅ Rainfall sufficient
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 5.5" 0" ✅ Rainfall sufficient
Aug 4.3" 5.7" 0" ✅ Rainfall sufficient
Sep 4.3" 3.6" 0.7" 💧 Light watering
Oct 4.3" 3.7" 0.6" 💧 Light watering
Nov 4.6" 0" ❄️ Dormant
Dec 3.9" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Clay County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Rue Planting Timeline — Clay County, KY

Rue Planting Calendar

Activity When Date Range
Transplant Outdoors April 25 Apr 25 – May 9
Harvest July 4 Jul 4 – Sep 5

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

187 days in Clay County

Growing Tips for Clay 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Rue in Clay County, KY?

Clay County is in Zone 7a with an average last frost of April 18. Plan your Rue planting based on this frost date — see the calendar above for exact timing.

What planting zone is Clay County, KY?

Clay County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 18 and first fall frost is October 22.

When should I plant Rue in Clay County, KY?

In Clay County, KY, plant Rue after the last frost (around April 18) and before the first frost (around October 22). Best results when soil holds above 50°F.

What growing zone is Clay County, KY for Rue?

Clay County sits in USDA Zone 7a. Rue grows reliably in zones 4a through 9b, so it's a good fit here.

Can Rue grow in Clay County's climate?

Yes — Rue grows well in Clay County's temperate climate. Clay County averages a 187-day frost-free season, with last frost around April 18 and first frost around October 22.

🌱

Your Clay County Garden Planner — Free

A 22-page printable planner built for Clay County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Clay County, KY. Local conditions may vary. Last updated: June 2026.

Sources & credits

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