In the home landscape, goat's beard is best used as a background plant because of its large size. Chelone glabra is native to Iowa and produces white flowers. Chelone lyonii has rose-pink flowers. Both plant species grow 2 to 3 feet tall. Turtlehead prefers moist to wet soils in partial shade.
Black snakeroot performs best in moist, shady locations.
Other common names include black cohosh and bugbane. It produces large, fluffy flower plumes in June through July. Plants grow 6 to 8 feet tall. Its large size makes it unsuitable for small gardens. Venusta' is a widely grown variety with deep pink flowers.