WHERE’S WILDLIFE • WILDFLOWER FIELD GUIDE

Annual Fleabane

Erigeron annuus

Pronounced (approximate): eh-RIJ-er-on AN-yoo-us

Many fine white rays surround yellow flower centers. Coarsely toothed leaves alternate along a hairy stem.

Annual Fleabane (Erigeron annuus): field photograph. Tap the photo to open the gallery.

NATIVE • NORTH AMERICA

At a glance

Family Asteraceae
Life cycle Annual
Blooms June – October
Height 2 to 5 feet
Habitat sun; disturbed soil, waste areas, roadsides, fields

Common names: Annual Fleabane

Bloom timing varies with latitude, weather and local conditions.

Sightings map

Explore reported observations. Sightings are not a complete range map.

How to recognize it

Key identification clues

  • Many fine white rays surround yellow flower centers.
  • Coarsely toothed leaves alternate along a hairy stem.
  • Upper stems branch into loose clusters of flower heads.

Where and when to look

sun; disturbed soil, waste areas, roadsides, fields. Flowering season: June – October.

Compare similar plants

Prairie Fleabane generally has narrower, less toothed leaves. Check stem hairs and leaves as well as flowers.

A closer look

Flower details

Many fine white rays surround yellow flower centers.

Leaves & stems

Coarsely toothed leaves alternate along a hairy stem.

Whole plant & habitat

Upper stems branch into loose clusters of flower heads. Pair close views with a photograph of the whole plant.

Field photographs

1 field photographs. Select a photograph to enlarge it; use Load more photos to see the rest.

Range & sightings

Native to North America.

Reported U.S. distribution
AR, CA, CT, IA, ID, MA, ME, MI, MN, MO, ND, NH, NY, OK, OR, SD, TN, VT, WA, WI, WY

Includes native and introduced state records where listed; a state record does not imply occurrence in every county.

Observation maps show submitted records, not every place the plant occurs. Follow local access rules when visiting a site.

Keep learning

Practice recognizing Annual Fleabane in the flower quiz, or compare it with other plants in the guide.

Sources & further reading

Field photographs: Where’s Wildlife.

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