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Common Toadflax

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Common Toadflax  

 

  • Why should we care?
    • Common Toadflax is a concern for livestock owners as parts of this plant are poisonous and can kill off a herd.  The common toadflax has the ability to quickly adapt to various soil conditions such as gravel and sand. They grow along roadsides, railroad yards, waste places, dry fields, pastures and croplands. 
  • How to Identify
    • The common toadflax is a perennial that is around 20–80 centimeters tall that is hairless and has a nauseating smell. Its leaves alternate, are numerous, linear, are about 2–10 centimeters in length and 1–5 millimeters wide. The flowers on this plant form a dense cluster on top of each stem, elongating with age. Flowers are bright light yellow with the lower lip of each flower being orange and well developed. 
  • About the Plant and Where it came from
    • Linaria vulgaris
    • The common toadflax is native to Europe and Asia, but is now found throughout temperate North America.
  • How to Control
    • Cultural control: Frequent mowing will weaken the common toadflax plant.
    • Chemical control: Spray with 2, 4-D broadleaf herbicide
    • Biological control: Two kinds of European beetles that eat the buds, flowers, and seeds of the plant.
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