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When to Plant Feverfew in Wayne County, IL

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.

Wayne County, Illinois is in USDA Zone 6a. The average last spring frost is April 8 and the first fall frost is October 27, giving you a growing season of approximately 202 days.

At an elevation of 924 feet, Wayne County receives approximately 35.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85ยฐF, providing good warmth for Feverfew during the growing season.

Wayne County, IL (Zone 6a) Long season
202 days
Last Spring Frost April 8
202 growing days
First Fall Frost October 27

Wayne County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (26 days to spare)
Transplant: Apr 9 🍅 Harvest: Jul 9 – Sep 24
Recommended (50%) ✓ Fits season (27 days to spare)
Transplant: Apr 15 🍅 Harvest: Jul 15 – Sep 30
Safe Start (90%) ✓ Fits season (33 days to spare)
Transplant: Apr 27 🍅 Harvest: Jul 27 – Oct 12

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
0.7″/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

Feverfew needs ~1,444 GDD — county provides 2,777 GDD Excellent fit

Feverfew Planting Timeline โ€” Wayne County, IL

Feverfew Planting Calendar

Activity When Date Range
Transplant Outdoors April 15 Apr 15 โ€“ Apr 29
Harvest July 15 Jul 15 โ€“ Sep 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 โ€”
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

90โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 6a

Growing Season

202 days

Growing Tips for Wayne 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Feverfew in Wayne County, IL?

Wayne County is in Zone 6a with an average last frost of April 8. Plan your Feverfew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Wayne County, IL?

Wayne County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 8 and first fall frost is October 27.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Wayne 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 Wayne County, IL. Local conditions may vary. Last updated: April 2026.