Where does garlic mustard come from and where is it now?
Garlic mustard is native to Europe and is found from England east to Czechoslovakia and from Sweden and Germany south to Italy. It has spread from its original range and is now found in North Africa, India, Sri Lanka, New Zealand, Canada and the United States. As of 2000, garlic mustard was present in 34 states and 4 Canadian provinces. Within the U.S., the largest populations are in New England and the Midwest.