Occurs in full or partial shade. A late successional or climax species, normally found in stands 95 to 350 years old. Appears very sensitive to disturbance. Prefers the shade of older forests and does not readily reinvade areas that have been opened up by fire. Flowers 14 July to 6 August in the North Country.
Mature plants seem to be independent of the mycorrhizal relationship.
Plants are available by mail order.