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When to plant Feverfew in Ellsworth County County,

Ellsworth County County's short 191-day growing season means one Feverfew planting between April 22 and May 6. No fall crop in Zone 6b.

When to Plant Feverfew in Ellsworth County, KS

Ellsworth County, Kansas Zone 6b June

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Avg. last frost April 15
Avg. first frost October 23
Soil temp (4") 76°F
Watering Low
Pest pressure High
Daylight 14.7 hrs
Coming up in July — start thinking about
  • First harvests: feverfew

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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.

Ellsworth County, Kansas is in USDA Zone 6b. The average last spring frost is April 15 and the first fall frost is October 23, giving you a growing season of approximately 191 days.

At an elevation of 659 feet, Ellsworth County receives approximately 21.5 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Feverfew during the growing season.

Ellsworth County, KS (Zone 6b) Moderate season
191 days
Last Spring Frost April 15
191 growing days
First Fall Frost October 23
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Ellsworth County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.6

Drainage

Well Drained

Feverfew Planting Risk Windows

Early Start (70% safe) ✓ Fits season (12 days to spare)
Transplant: Apr 19 🍅 Harvest: Jul 19 – Oct 4
Recommended (50%) ✓ Fits season (16 days to spare)
Transplant: Apr 22 🍅 Harvest: Jul 22 – Oct 7
Safe Start (90%) ✓ Fits season (14 days to spare)
Transplant: May 5 🍅 Harvest: Aug 4 – Oct 20

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.

Soil Compatibility in Ellsworth County

How your county's soil matches Feverfew's growing requirements.

Soil pH

Your soil pH (6.2–7.6) overlaps with Feverfew's range (6.0–7.0), though not a perfect match.

Soil Texture

The loam soil in Ellsworth County is excellent for Feverfew — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.8%). Annual compost additions will help Feverfew.

How to Plant Feverfew

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Feverfew Water Budget

Plant needs
0.5″/week
Rainfall provides
0.5″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 56 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Feverfew

Feverfew needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.

Month Feverfew Needs Rainfall You Supplement Action
Jan 0.5" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 1.2" 0" ❄️ Dormant
Apr 2.2" 2.1" 0.1" 💧 Light watering
May 2.2" 3" 0" ✅ Rainfall sufficient
Jun 2.2" 3.8" 0" ✅ Rainfall sufficient
Jul 2.2" 2.6" 0" ✅ Rainfall sufficient
Aug 2.2" 2.8" 0" ✅ Rainfall sufficient
Sep 2.2" 2.2" 0" ✅ Rainfall sufficient
Oct 2.2" 1.3" 0.9" 💧 Light watering
Nov 0.7" 0" ❄️ Dormant
Dec 0.5" 0" ❄️ Dormant

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

Feverfew Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Feverfew needs ~1,838 GDD — county provides 3,342 GDD Excellent fit

Feverfew Planting Timeline — Ellsworth County, KS

Feverfew Planting Calendar

Activity When Date Range
Transplant Outdoors April 22 Apr 22 – May 6
Harvest July 22 Jul 22 – Oct 7

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
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Only during dry spells

📅 Days to Maturity

90–120 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6b

📆 Growing Season

191 days in Ellsworth County

Growing Tips for Feverfew in Ellsworth County

Direct sow Feverfew outdoors after April 15 in Ellsworth County when soil has warmed and frost danger has passed.

Common pests for Feverfew in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

Ellsworth County receives only 22" of rain annually. Feverfew needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

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 Ellsworth County, KS?

Ellsworth County is in Zone 6b with an average last frost of April 15. Plan your Feverfew planting based on this frost date — see the calendar above for exact timing.

What planting zone is Ellsworth County, KS?

Ellsworth County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 15 and first fall frost is October 23.

When should I plant Feverfew in Ellsworth County, ?

In Ellsworth County, , plant Feverfew after the last frost (around April 15) and before the first frost (around October 23). Best results when soil holds above 50°F.

What growing zone is Ellsworth County, for Feverfew?

Ellsworth County sits in USDA Zone 6b. Feverfew grows reliably in zones 5a through 9b, so it's a good fit here.

Can Feverfew grow in Ellsworth County's climate?

Yes — Feverfew grows well in Ellsworth County's temperate climate. Ellsworth County averages a 191-day frost-free season, with last frost around April 15 and first frost around October 23.

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Your Ellsworth County Garden Planner — Free

A 22-page printable planner built for Ellsworth County (Zone 6b). 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 Ellsworth County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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