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.
Native to Europe and Asia, this salad vegetable is grown for its thick, crunchy stalks.
Botanically speaking, violas, pansies, and almost all violets are perennials belonging to the genus
Two kinds of mustard are popular in American gardens, both derived from plants native to the Mediterra...