Porcelain blue bottle-like flowers (1 to 1 ½”) from August through early October seem perpetually closed & change to blue-violet with age, glossy leaves up to 4 “ long in a whorl below the flowers, it’s fun to watch Bumblebees muscle their way into the flowers to pollinate them.
Plant Hardiness Zones: 4a-8b
Other names: Blind Gentian, Closed Gentian
Native Range: ME south to the mountains of NC & TN. Rare in NY
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