IPMP3.0, Oregon State University, Copyright 2000

Biology and Management of Redstem Filaree


Registered Herbicides

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   Redstem Filaree

General Description:

  • shallow taproot with secondary fibrous roots.
  • spreading or erect generally from a rosette.
  • stems are 1 inch to 2 feet long.
  • leaves are divided into narrow feather-like lobed or toothed segments.
  • leaves and stems are hairy and may have a reddish color.
  • flowers are purplish-pink and are generally in clusters of 2 or more.
  • the fruit is five lobed and long-beaked, with each lobe splitting away at maturity.

Life cycle: winter annual or biennial

  • reproduces by seed.
  • germinates early spring through late summer.
  • flowers in early spring or early summer ( may produce flowers in summer).

Habitat/ Crops associated with:

  • prefers dry, sandy soil.
  • found in many perennial horticultural crops, turfgrass, and landscapes.
  • wheat, mint.
  • native to Europe or Asia.
  • common worldwide.
  • has been grown for forages.
  • considered a noxious weed only when it crowds out more valuable crops.
  • also known as storksbill.

Herbicide Control Notes:

  • Gramoxone plus Goal usually most effective. When filaree is small, Gramoxone plus Sinbar also is effective.