- Pink to purple flowers resembling knapweed flowers
- Prickly leaves with a waxy surface
- Growth in clumps
- Height 2 to 5 feet
[Not a valid template]
|Cutting or mowing, biological, re-vegetation (competing crops) and herbicide. Contact your County Weed District or local Applicator for more information.
|Wetter habitat or disturbed ground, including ditch banks, overgrazed pastures, tilled fields or abandoned sites.
|Extensive vertical and creeping horizontal roots.
|Lance-shaped and shallow-lobed.
|Perennial; two years or longer.
|Priority 2B Weed
|Abundant in Montana and widespread in many counties.
|Similar Looking Plants
|Wavy leaf and bull thistles.
|Hard to manage due to extensive nutrient stores and root systems; combinw integrated weed management (IWM) for effective control. The root system accounts for much of the re-establishment of the plant.