North America Native Plant

Prairie Fleabane

Botanical name: Erigeron strigosus var. strigosus

USDA symbol: ERSTS2

Life cycle: annual

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Erigeron annuus (L.) Pers. ssp. strigosus (Muhl. ex Willd.) Wagenitz (ERANS8)  âš˜  Erigeron ramosus (Walter) Britton, Sterns & Poggenb. (ERRA8)  âš˜  Erigeron strigosus Muhl. ex Willd. var. discoideus Robbins ex A. Gray (ERSTD2)  âš˜  Erigeron strigosus Muhl. ex Willd. var. eligulatus Cronquist (ERSTE)  âš˜  Erigeron strigosus Muhl. ex Willd. var. typicus Cronquist (ERSTT)  âš˜  Erigeron traversii Shinners (ERTR16)  âš˜  Stenactis strigosa (Muhl. ex Willd.) DC. (STST14)   

Prairie Fleabane: A Delicate Native Wildflower for Easy-Care Gardens If you’re looking for a charming native wildflower that practically grows itself, prairie fleabane (Erigeron strigosus var. strigosus) might just be your new garden favorite. Don’t let the unfortunate fleabane name fool you – this delicate beauty has nothing to do ...

Prairie Fleabane: A Delicate Native Wildflower for Easy-Care Gardens

If you’re looking for a charming native wildflower that practically grows itself, prairie fleabane (Erigeron strigosus var. strigosus) might just be your new garden favorite. Don’t let the unfortunate fleabane name fool you – this delicate beauty has nothing to do with fleas and everything to do with creating a naturalistic, pollinator-friendly landscape with minimal effort on your part.

What is Prairie Fleabane?

Prairie fleabane is a true North American native, belonging to the vast aster family. As an annual to biennial forb, this herbaceous plant completes its life cycle in one to two years, but don’t worry about it disappearing from your garden – it’s an enthusiastic self-seeder that will likely return year after year once established.

The plant produces countless small, daisy-like flowers with white petals surrounding sunny yellow centers. These delicate blooms create an airy, cloud-like effect in the garden that’s both subtle and striking.

Where Prairie Fleabane Calls Home

This adaptable native has one of the most impressive natural ranges you’ll find. Prairie fleabane grows naturally across an enormous swath of North America, from Alberta and British Columbia in the north all the way down to Florida and Texas in the south. You’ll find it thriving in states and provinces including California, Colorado, Illinois, Maine, Montana, New York, Ontario, Quebec, and dozens more locations across the continent.

Why Grow Prairie Fleabane?

There are several compelling reasons to welcome prairie fleabane into your garden:

  • Pollinator magnet: The small flowers are beloved by bees, butterflies, and other beneficial insects
  • Low maintenance: Once established, it requires virtually no care
  • Drought tolerant: Perfect for water-wise gardening
  • Self-sowing: Creates natural drifts and fills in gaps
  • Long bloom period: Flowers from summer through fall
  • Native credentials: Supports local ecosystems and wildlife

Perfect Garden Settings

Prairie fleabane shines in naturalistic garden settings where its casual, wildflower charm can be fully appreciated. Consider using it in:

  • Prairie and meadow gardens
  • Wildflower borders
  • Naturalized areas
  • Cottage garden edges
  • Pollinator gardens
  • Low-maintenance landscape areas

It’s particularly effective when planted in drifts or allowed to self-seed among other native plants, creating that coveted wild look that’s actually carefully cultivated.

Growing Conditions and Care

One of prairie fleabane’s greatest assets is its easygoing nature. This adaptable native thrives in USDA hardiness zones 3-9, making it suitable for most North American gardens.

Sunlight: Prairie fleabane performs best in full sun, though it can tolerate some light shade.

Soil: Well-draining soil is essential, but the plant is quite tolerant of various soil types. It actually prefers average to poor soils over rich, amended ground.

Water: Once established, prairie fleabane is remarkably drought tolerant. Avoid overwatering, as this can lead to weak, floppy growth.

Planting and Propagation

Starting prairie fleabane is refreshingly simple. The easiest method is direct seeding in fall or early spring. Scatter seeds over prepared soil and barely cover them – they need light to germinate. You can also start seeds indoors 6-8 weeks before the last frost.

Since prairie fleabane readily self-sows, you’ll likely only need to plant it once. The plant will take care of creating future generations, though you can always collect and redistribute seeds if you want more control over placement.

A Few Considerations

While prairie fleabane is generally well-behaved, its enthusiastic self-seeding might be too much for formal garden settings. If you prefer more control, simply deadhead flowers before they set seed, though you’ll miss out on the late-season wildlife benefits the seeds provide.

The plant can sometimes be mistaken for weedy relatives, so it’s worth familiarizing yourself with its appearance to avoid accidentally removing young plants during garden maintenance.

The Bottom Line

Prairie fleabane offers a perfect combination of native plant benefits, pollinator support, and gardening ease. If you’re looking to create a more naturalistic landscape, support local wildlife, or simply want a beautiful wildflower that takes care of itself, prairie fleabane deserves a spot in your garden. Its delicate flowers and reliable nature make it a wonderful choice for both beginning and experienced native plant gardeners.

Prairie Fleabane

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Erigeron L. - fleabane

Species

Erigeron strigosus Muhl. ex Willd. - prairie fleabane

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA