No! Garlic mustard (left) and lesser periwinkle1 (right) are both evergreen2! They’re also both introduced species known for taking over the forest floor in disturbed areas, though garlic mustard is the subject of more worry in Vermont.
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I’m only like 90% on this ID, if you think is something else please let me know!
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Or maybe “evergreen” is strong for a biennial like garlic mustard. Approximatelyeighteenmonthgreen.