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.
Early varieties mature in 7 to 8 weeks from transplanting into garden; late varieties require 3 to 4 m...
From tropical America, this perennial twining vine is commonly grown as an annual. Showy and ornamenta...
From South Africa. Popular, dependable edging plant 3 to 6 in. high. Compact forms reach 5–9 in....