Upward facing deep red-purple flowers to 2" in cymes in early summer. A beautiful garden perennial, and a good weaving plant for the bord...Read Moreer (at least in England), somewhat resembling G. pratense. Closely related to G. viscosissimum.
Some sources state that this species is hardy to Z3.
Performs best in rich, moist, well-drained soils, but said to tolerate drought.
Easily propagated by division or seed.
Native to mountain forests and meadows from northern California to British Columbia and east to Alberta and Montana. Possibly extirpated from Washington, where it was last recorded in 1936. Locally threatened by habitat development.
Upward facing deep red-purple flowers to 2" in cymes in early summer. A beautiful garden perennial, and a good weaving plant for the bord...Read More