Garlic Mustard Posted on May 29, 2013 by Axie Leaves smell garlicky when crushed. An invasive that crowds out more delicate native wildflowers. It was brought to North America as a cooking herb in the 1860s. Mustard family. (Photo taken April 30, 2013.) Garlic Mustard (Alliaria officinalis) Share this:Click to email a link to a friend (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on Pinterest (Opens in new window)