Blueweed (Echium vulgare)
Blueweed (Echium vulgare)

Blueweed

(Echium vulgare)

Description

  • Native to Europe.
  • Biennial or short lived perennial.
  • Blue flowers on upper part of stalk.
  • Small stiff hairs on stem and leaves.
  • Grows in dry, rocky and/or shallow soils.
  • Found in the Creston, Nakusp, Kaslo, Whatshan and Powder Creek areas.

Consequences of invasion

  • Invades rangelands and pastures, impacting livestock.
  • Contain pyrrolizidine alkaloids, which can be toxic to horses and cattle when ingested.
  • Seeds can contaminate clover and other crop seeds.
  • Host for plant diseases including alfalfa mosaic virus and tobacco mosaic virus.
  • Seeds can remain viable for up to 36 months depending on conditions.

Integrated Pest Management Options

  • Pull or dig when soil is moist to control small infestations.
  • Proper pasture and rangeland management practices like minimizing soil disturbance and overgrazing.
  • Chemical control may work on larger infestations.

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