Wild Quinine, American Feverfew

Partheniumintegrifolium

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Parthenium (par-THEN-ee-um)
Species
integrifolium (in-teg-ree-FOH-lee-um)
Synonym
Parthenium integrifolium var. integrifolium
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
36-48 in. (90-120 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Herbs
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Gurley, Alabama

Fallbrook, California(5 reports)

Redding, California

Cornelia, Georgia

Des Plaines, Illinois

Machesney Park, Illinois

Wichita, Kansas

Midland, Michigan

Cole Camp, Missouri

Downingtown, Pennsylvania

Argyle, Wisconsin

Pleasant Prairie, Wisconsin

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Featured Videos

Gardener's Notes:

3
positives
2
neutrals
0
negative
Sort By:
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R
Downingtown, PA | December 2013 | positive

I bought three small plants in 2003 and they are doing all well in 2013 here in se PA in my good quality clay soil with a pH of 6.9. They...Read More

P
P
Lexington, VA | May 2012 | neutral

5/19/12 - Growing wild by roadside Blue Ridge Parkway nr. milepost 69 in Virginia. In bloom.

C
C
Midland, MI (Zone 5b) | August 2011 | positive

After seeing this native in a prairie restoration I was thrilled to find it offered at a plant sale, grown from seed. The foliage makes ...Read More

O
Oak View, CA | June 2004 | positive

I think this wild variety of feverfew is what keeps growing in my yard. I have never planted it, but it grows sporadically in small clum...Read More

T
T
Murfreesboro, TN (Zone 7a) | September 2001 | neutral

A native wildflower, blooms for 3-4 weeks in midsummer with small white flowers in flat-topped clusters.

Since the leave...Read More

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