Spotted Knapweed

Origin: Non-Native

Distribution and Commonness: wide-spread, common

Habitat: especially problematic in dry soils, full-sun

Growth Form: short-lived perennial forb

Common Vector: grazing, machinery

Typical control practices:

Chemical: foliar, wick

Mechanical: limited  

Rx fire: useful as prep for herbicide applications, seedlings highly susceptible, limited negative impact to adults

Biocontrol: multiple insect agents

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