Catagory 1

hoary cress, whitetop

Cardaria draba

BRASSICACEAE (Mustard family)

— perennial forb that reproduces from root segments and seeds

IDENTIFYING CHARACTERISTICS

  • Many four-petaled white flowers
    in dense clusters, appearing flat-topped
  • Lance-shaped blue-green leaves

This is a general table provided as a quick reference only. Treatments behave differently in different ecosystems.
What works in some areas of montana may not work in others. These treatments may also affect native and desirable plants.

hoary cress whitetop

cut mow
hand pull (wear gloves)
herbicide
biological control
reseeding
domestic animal
cultivate
?

effective

moderately effective-
effective in combination with other treatments
ineffective

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