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When to Plant Feverfew in Alfalfa County, OK

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.

Alfalfa County, Oklahoma is in USDA Zone 6b. The average last spring frost is April 7 and the first fall frost is October 31, giving you a growing season of approximately 207 days.

At an elevation of 835 feet, Alfalfa County receives approximately 26.3 inches of rainfall annually with predominantly loam soil. Summer highs average 85ยฐF, providing good warmth for Feverfew during the growing season.

Alfalfa County, OK (Zone 6b) Long season
207 days
Last Spring Frost April 7
207 growing days
First Fall Frost October 31

Alfalfa County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.6

Drainage

Well Drained

Monthly Watering Guide for Feverfew

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

Month Feverfew Needs Rainfall You Supplement Action
Jan โ€” 0.7" 0" โ„๏ธ Dormant
Feb โ€” 0.8" 0" โ„๏ธ Dormant
Mar โ€” 1.5" 0" โ„๏ธ Dormant
Apr 4.3" 3" 1.3" ๐Ÿ’ง Light watering
May 4.3" 4.2" 0.1" ๐Ÿ’ง Light watering
Jun 4.3" 4.3" 0" โœ… Rainfall sufficient
Jul 4.3" 3.3" 1" ๐Ÿ’ง Light watering
Aug 4.3" 2.9" 1.4" ๐Ÿ’ง Light watering
Sep 4.3" 2.3" 2" ๐Ÿ’ง Light watering
Oct 4.3" 1.8" 2.5" ๐Ÿšฟ Regular watering
Nov โ€” 0.8" 0" โ„๏ธ Dormant
Dec โ€” 0.7" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Aprโ€“Oct in Alfalfa County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Feverfew Planting Timeline โ€” Alfalfa County, OK

Feverfew Planting Calendar

Activity When Date Range
Transplant Outdoors April 14 Apr 14 โ€“ Apr 28
Harvest July 14 Jul 14 โ€“ Sep 29

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

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

Low โ€” drought tolerant

๐Ÿ“… Days to Maturity

90โ€“120 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 6b

๐Ÿ“† Growing Season

207 days in Alfalfa County

Growing Tips for Alfalfa 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 Alfalfa County, OK?

Alfalfa County is in Zone 6b with an average last frost of April 7. Plan your Feverfew planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Alfalfa County, OK?

Alfalfa County, Oklahoma is in USDA Hardiness Zone 6b. The average last spring frost is April 7 and first fall frost is October 31.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Alfalfa County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Alfalfa County, OK. Local conditions may vary. Last updated: April 2026.