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When to Plant Feverfew in Lamar County, TX

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.

Lamar County, Texas is in USDA Zone 7b. The average last spring frost is March 15 and the first fall frost is November 15, giving you a growing season of approximately 245 days.

At an elevation of 95 feet, Lamar County receives approximately 59.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91Β°F, providing good warmth for Feverfew during the growing season. Sandy soil warms quickly in spring β€” great for early planting β€” but Feverfew will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Feverfew root diseases.

Lamar County, TX (Zone 7b) Long season
245 days
Last Spring Frost March 15
245 growing days
First Fall Frost November 15

Lamar County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.8-6.8

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 β€” 1.7" 0" ❄️ Dormant
Feb β€” 2.1" 0" ❄️ Dormant
Mar 4.3" 3.5" 0.8" πŸ’§ Light watering
Apr 4.3" 6.8" 0" βœ… Rainfall sufficient
May 4.3" 8.8" 0" βœ… Rainfall sufficient
Jun 4.3" 9.7" 0" βœ… Rainfall sufficient
Jul 4.3" 8" 0" βœ… Rainfall sufficient
Aug 4.3" 7.1" 0" βœ… Rainfall sufficient
Sep 4.3" 5.3" 0" βœ… Rainfall sufficient
Oct 4.3" 3.4" 0.9" πŸ’§ Light watering
Nov 4.3" 2.2" 2.1" πŸ’§ Light watering
Dec β€” 1.4" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Lamar County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Feverfew Planting Timeline β€” Lamar County, TX

Feverfew Planting Calendar

Activity When Date Range
Transplant Outdoors March 22 Mar 22 – Apr 5
Harvest June 21 Jun 21 – Sep 6

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

Month-by-Month Timeline

MonthActivities
January β€”
February β€”
March Transplant Outdoors
April Transplant Outdoors
May β€”
June Harvest
July Harvest
August Harvest
September Harvest
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Low β€” drought tolerant

πŸ“… Days to Maturity

90–120 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

245 days in Lamar County

Growing Tips for Lamar 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 Lamar County, TX?

Lamar County is in Zone 7b with an average last frost of March 15. Plan your Feverfew planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Lamar County, TX?

Lamar County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 15 and first fall frost is November 15.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Lamar County gardeners in Zone 7b 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 Lamar County, TX. Local conditions may vary. Last updated: April 2026.