Populations of several thousand plants each scattered through grassland, mostly on south-facing slopes in open blue oak woodland in foothills of Inner North Coast Ranges, 4 miles WNW of Winters, Yolo County, CA, elev. 400 ft. At Bobcat Ranch, an Audubon California property.
Grown from wild plants taken from a restored prairie owned by The Nature Conservancy at their Platte River Prairies
Tall Boneset