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When to plant Rue in Scott County, MO

In Scott County, Rue is a single-season spring crop — there's no second fall window. Plant April 16–April 30 for an 70–90-day harvest, finishing well before the October 24 first frost.

When to Plant Rue in Scott County, MO

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.

Scott County, Missouri is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is October 24, giving you a growing season of approximately 198 days.

At an elevation of 880 feet, Scott County receives approximately 34.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Rue during the growing season.

Scott County, MO (Zone 7a) Moderate season
198 days
Last Spring Frost April 9
198 growing days
First Fall Frost October 24

Scott County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.7

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 1.4" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.2" 0" ❄️ Dormant
Apr 4.3" 3.7" 0.6" 💧 Light watering
May 4.3" 3.6" 0.7" 💧 Light watering
Jun 4.3" 4.7" 0" ✅ Rainfall sufficient
Jul 4.3" 4.1" 0.2" 💧 Light watering
Aug 4.3" 3.4" 0.9" 💧 Light watering
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 2.7" 1.6" 💧 Light watering
Nov 2.4" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

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

Rue Planting Timeline — Scott County, MO

Rue Planting Calendar

Activity When Date Range
Transplant Outdoors April 16 Apr 16 – Apr 30
Harvest June 25 Jun 25 – Aug 27

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

Month-by-Month Timeline

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

198 days in Scott County

Growing Tips for Scott 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 Scott County, MO?

Scott County is in Zone 7a with an average last frost of April 9. Plan your Rue planting based on this frost date — see the calendar above for exact timing.

What planting zone is Scott County, MO?

Scott County, Missouri is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is October 24.

When should I plant Rue in Scott County, MO?

In Scott County, MO, plant Rue after the last frost (around April 9) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Scott County, MO for Rue?

Scott 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 Scott County's climate?

Yes — Rue grows well in Scott County's temperate climate. Scott County averages a 198-day frost-free season, with last frost around April 9 and first frost around October 24.

🌱

Your Scott County Garden Planner — Free

A 22-page printable planner built for Scott 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 Scott County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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