WSU Whatcom County Extension

Integrated Pest Management for Blueberries

Smooth Hawksbeard

(Crepis capillaris)

Annual Broadleaves

 

Smooth Hawksbeard

 

Habitat Characteristics

Common in dry, sunny, weedy pastures & waste areas. It is often found at the foot of walls or rocks and often on roadsides. It is becoming more common in Western Washington.

 

Identification

This annual or biennial weed grows up to 3 feet tall. The stems (one or several from the base) are erect and branched and contain a milky juice. Leaves are alternate, smooth, and coarsely lobed or toothed. Stem leaves are deeply lobed and have bases that clasp the stem. Yellow ray flowers, about 1/2 inch in diameter, are produced on long stalks at tips of branches.

Hawksbeard

 

Life History

Smooth hawksbeard reproduces by windblown seed. Flowers are present in late spring and summer.

 

Management

Since this weed is fairly new to the area, it has not been tested for control with herbicides.


Web References

USDA – NRCS Plant Profile, Smooth Hawksbeard
http://plants.usda.gov/java/profile?symbol=CRCA3&photoID=crca3_001_avd.tif

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WSU Whatcom County Extension • 1000 N. Forest St., Bellingham, WA 98225 • (360) 778-5800 • whatcom@wsu.edu