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.
This annual is native to California and southwestern Oregon. Grows to about 6 in. high and wide, with ...
Native to Iran, Afghanistan, and central Asia. Absolutely covered with slender, sinuous spikes of...
Rising above clumps of fleshy, blue-green leaves, the purplish blue upper leaves and flower bracts of ...