Stiffly erect, branched, roughly hairy perennials with deeply cut leaves. Flower heads resemble those of black-eyed Susans (Rudbeckia) but have fewer ray flowers and a spherical or cylindrical central cone (rather than a flat disk). Use in casual, natural-looking borders with grasses and other minimum-care perennials.Ratibida columnifera
From the Great Plains of the United States. To 2 1/2 ft. tall, 1 ft. wide. Flowers have drooping yellow or brownish purple rays and a tall, columnar brown cone. Effect is that of a sombrero with a drooping brim.
Shrub roses bloom prolifically over a long season and have abundant disease-resistant foliage. Most lo...
Shrubby, branching South American native topped in summer and fall with many open, fluffy clusters of ...
Parent of popular hybrid G. x grandiflora. Has been largely replaced in garden cultu...