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When to Plant Feverfew in Williamson County, TN

Feverfew is a bushy perennial herb with small daisy-like flowers and aromatic leaves. It has been used traditionally for headache relief and is a cheerful garden plant.

Williamson County, Tennessee is in USDA Zone 7b. The average last spring frost is April 10 and the first fall frost is October 24, giving you a growing season of approximately 197 days.

At an elevation of 1,865 feet, Williamson County receives approximately 41.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Feverfew during the growing season.

Williamson County, TN (Zone 7b) Moderate season
197 days
Last Spring Frost April 10
197 growing days
First Fall Frost October 24

Williamson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Feverfew Planting Timeline — Williamson County, TN

Feverfew Planting Calendar

Activity When Date Range
Transplant Outdoors April 17 Apr 17 – May 1
Harvest July 17 Jul 17 – Oct 2

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 Harvest
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 7b

📆 Growing Season

197 days in Williamson County

Growing Tips for Williamson County

Start seeds indoors or direct sow on the soil surface. Deadhead regularly to prevent aggressive self-seeding. Divide clumps every 2-3 years to maintain vigor.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Feverfew in Williamson County, TN?

Williamson County is in Zone 7b with an average last frost of April 10. Plan your Feverfew planting based on this frost date — see the calendar above for exact timing.

What planting zone is Williamson County, TN?

Williamson County, Tennessee is in USDA Hardiness Zone 7b. The average last spring frost is April 10 and first fall frost is October 24.

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Your Williamson County Garden Planner — Free

A 22-page printable planner built for Williamson County (Zone 7b). 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 Williamson County, TN. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.