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Narrow Leved Hawksbeard (Crepis tectorum L.)

Narrow Leved Hawksbeard 1

About Narrow-leaved hawk’s beard:

Narrowleaved hawk’s beard is an annual or winter annual weed that reproduces via seeds. It produces yellow flowers and has thin green leaves. It is a tall weed and has larger leaves at its base, all of which are green. This weed tends to appear in places like pastures, roadsides and the outskirts of fields, and throughout Ontario.

Family: Composite or Aster Family (Compositae)

Narrow Leved Hawksbeard 2 Narrow Leved Hawksbeard 3

Narrow-leaved hawk’s beard Scouting and Prevention:

When looking to prevent Narrowleaved hawk’s beard weeds it is important to check the outer areas of crop fields and throughout pastures. Taking random crop counts will also be an effective way to notice if Narrow-leaved hawk’s weed starts to grow in or around fields.

Narrow-leaved hawk’s beard Control:

Tilling in the fall and in spring can help reduce the amount of Narrow-leaved hawk’s beard that is appearing in fields. Mowing on a regular basis can help deplete the number of seeds that the Narrow-leaved hawk’s beard weeds are producing. And applying herbicides pre and post harvest can also help to control Narrow-leaved hawk’s beard weeds.

Latin / Alternative Narrow-leaved hawks beard Names:

  • - Crepis tectorum L
  • - RĂ©pis des toits
  • - Yellow hawk's-beard

Additional Narrow-leaved hawk’s beard Resources:

http://www.weedwreckingcrew.com/ Dupont weed Wrecking Crew

http://www.precisionpac.com/ Dupont Precision Pac

http://www.omafra.gov.on.ca/english/crops/facts/ontweeds/narrow_hawksbeard.htm Ontario Government Ag

http://www.gov.mb.ca/agriculture/crops/weeds/fab42s00.html Manitoba Government Ag