Blog

When to plant Feverfew in Garfield County, CO

Garfield County's short 119-day growing season means one Feverfew planting between June 1 and June 15. No fall crop in Zone 6a.

When to Plant Feverfew in Garfield County, CO

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.

Garfield County, Colorado is in USDA Zone 6a. The average last spring frost is May 25 and the first fall frost is September 21, giving you a growing season of approximately 119 days.

At an elevation of 7,997 feet, Garfield County receives approximately 21.3 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Feverfew to ensure they mature before fall.

Garfield County, CO (Zone 6a) Short season
119 days
Last Spring Frost May 25
119 growing days
First Fall Frost September 21

Garfield County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Feverfew Planting Timeline — Garfield County, CO

Feverfew Planting Calendar

Activity When Date Range
Transplant Outdoors June 1 Jun 1 – Jun 15
Harvest August 31 Aug 31 – Nov 16

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
June Transplant Outdoors
July
August Harvest
September Harvest
October Harvest
November Harvest
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 6a

📆 Growing Season

119 days in Garfield County

Growing Tips for Garfield 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 Garfield County, CO?

Garfield County is in Zone 6a with an average last frost of May 25. Plan your Feverfew planting based on this frost date — see the calendar above for exact timing.

What planting zone is Garfield County, CO?

Garfield County, Colorado is in USDA Hardiness Zone 6a. The average last spring frost is May 25 and first fall frost is September 21.

When should I plant Feverfew in Garfield County, CO?

In Garfield County, CO, plant Feverfew after the last frost (around May 25) and before the first frost (around September 21). Best results when soil holds above 50°F.

What growing zone is Garfield County, CO for Feverfew?

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

Can Feverfew grow in Garfield County's climate?

Yes — Feverfew grows well in Garfield County's temperate climate. Garfield County averages a 119-day frost-free season, with last frost around May 25 and first frost around September 21.

🌱

Your Garfield County Garden Planner — Free

A 22-page printable planner built for Garfield County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Garfield County, CO. 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.