Growing on forest floor in the light of an opening in the canopy, commonly sited ground cover.
Habitat description: 30 yr old dense douglas fir stand planted by weyerhaeuser after clear cut, in usual western hemlock-western redcedar vegetation. Patches of deciduous trees, maple, alder, cottonwood. 400ft above sea level south and east facing hill in tolt river watershed where it meets the snoqualmie river. habitat divided into residential forested plots. separated by old logging roads.