Native to (or naturalized in) Oregon:
- Broadleaf evergreen shrub, 6 ft (1.8 m), habit varies from compact to loose and spreading. Leaves medium, 7.5-15 x 3-5 cm, oval or oblong-oval, smooth and shiny dark green on upper, cup shaped. Flowers to 6.5 cm wide, 5 short, rounded spreading lobes, lilac-purple, rose-purple, pink, or white, blotch yellow-green, stamens and style rose, large trusses of 15-20
- -25°F, mid-late, 3/3/4 [quality rating of flower / foliage & plant / performance, based on a 1(poorest) to 5 (best) scale]. Part shade, tough plant.
- Native to eastern US (Allegheny Mountains), named after the Catawba River in North Carolina.
- Oregon State Univ. campus: northeast of Benton (near 14th St. and Campus Way).