Stiffly erect, branched, roughly hairy perennials with deeply cut leaves. The 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. Grows to 2 1/2 ft. tall and 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.
Grows to 5 ft. tall and 1 1/2 ft. wide. Branching stems are hung with drooping sprays of bell-shaped b...
Warm-season vegetable from tropical Asia. Large, erect, bushy plant to 6 ft. tall, with big, bold, dee...
Zones 8, 9, 12–24; H1, H2; all zones as annual. Native to South America. Woody-based plant with ...