Invasive Species Spotlight: Garlic Mustard (Alliaria petiolata). by Kansas Department of Agriculture | October 20, 2012 at 7:56 PM.
Garlic mustard is one of those invasive species that seems to fly under the radar as it encroaches on more and more land. It was introduced from Europe in the 1800’s as a food and medicinal plant.
As a biennial it produces low-growing, non-flowering rosettes the first year of its life and then really takes off by producing 12 – 36” plants the second year. It is during this second year that it really does the most damage because that is when it flowers and produces many slender pods that contain more than 5,750 seeds per square foot. What’s worse is that each of those seeds will either sprout into another plant or lay dormant in the soil for up to 10 years, growing whenever conditions are just right...
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