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 southern Europe. Upright plants grow to 1–5 ft. tall and 1 ft. wide, with deeply cut, ...
Biennial or short-lived perennial. From southern Europe and northwestern Africa. Soft, scallop-edged, ...
Charming, almost legendary European species, cultivated for hundreds of years and used in developing m...