Two colorful species are seen in the West, one an annual weed and the other an attractive perennial. Newer hybrids are becoming popular.
Annual. This low-growing, weedy plant from Europe has bright green leaves and 1/2-in., brick red flowers. Has naturalized in California. A. a. caerulea has deep blue, larger flowers; it tolerates most soils and heat, thrives in dry gardens, and grows well in containers.
Native to the high plains of the West. Longtime favorite for pots, borders, and especially for cutting...
From the Mediterranean region. Old-fashioned favorites, with narrow gray-green leaves and profuse, ere...
These big-leafed woodland plants thrive in the rich organic soil under tall trees and shrubs. They gro...