Garlic mustard

(Alliaria petiolata)

  • 1 - 4' tall
  • Blooms late April to June
  • Flowers 1/2" wide, in clusters at end of stems
  • Young leaves heart-shaped; older leaves triangular and toothed; 1" long and 1 - 3" wide
  • Multiple erect stems growing from the base, sparsely hairy
  • Taproot slender with "S" shape at the base
  • Allelopathic with a garlic-like smell



Known Distribution

There are few occurrences of this species documented in Colorado. View the known North American Distribution Map. If you are aware of infestations that are not represented, please report your sighting. Register for an EDDMapS account, then select "Report Sightings". Please include photos with your submissions.