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How to Identify and Monitor for Garlic Mustard

Garlic mustard is a high-priority invasive plant that harms native forest ecosystems in Illinois. The first step to removing it is finding it. - Own a forest? Always keep an eye out for garlic mustard along creeks, forest edges, and trails. Identification: Garlic mustard grows over two years.

  • Year 1: Leaves are kidney-shaped. First-year plants form a low-growing basal rosette. The young plants smell like garlic when crushed
  • Year 2: The basal rosettes are larger. Leaves are triangular. After bolting, the plants produce white flowers with four petals.

Do you have invasive garlic mustard in your forest? Check now and find out. Learn how to identify garlic mustard at