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American Feverfew

Parthenium integrifolium

Last reviewed: July 2026

Parthenium integrifolium (American Feverfew) is a native forb blooming white flowers from June through September across the eastern and central United States. This prairie wildflower attracts bees, butterflies, and other pollinators in full sun gardens.

American Feverfew (Parthenium integrifolium)
Photo: no rights reserved, uploaded by Becky Dill

Light

full sun

Water

medium

Size

24"–48" H × 12"–24" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, CT, GA and 23 more states

Pollinators

bees, butterflies, beetles, wasps

Deer

Resistant (per Prairie Moon Nursery)

Browse plants for this ecoregion

American feverfew is a sturdy native perennial that produces clusters of small white flowers from summer through early fall. This well-behaved plant forms neat clumps with attractive dark green foliage and maintains a tidy appearance throughout the growing season.

Growing American Feverfew

Grow American Feverfew in full sun and medium water. Mature plants reach 24 to 48 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

American Feverfew is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Wildlife value

The long blooming period provides nectar for bees, butterflies, beetles, and wasps from June through September. This reliable pollinator plant is especially valuable for native bee species.

Common questions

When does American Feverfew bloom?
Parthenium integrifolium blooms from June through September, producing clusters of small white flowers that attract various pollinators including bees and butterflies.
Where is American Feverfew native?
American Feverfew is native to much of the eastern and central United States, from Massachusetts south to Georgia and west to Texas, Kansas, and Minnesota.
What pollinators visit American Feverfew?
Parthenium integrifolium attracts a diverse array of pollinators including bees, butterflies, beetles, and wasps, making it valuable for supporting native pollinator populations.
What growing conditions does American Feverfew prefer?
This native forb thrives in full sun to partial sun with medium moisture levels, though it can tolerate drier conditions once established.
Is American Feverfew HOA-friendly?
American Feverfew is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow American Feverfew? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz