These clump-forming perennialshave square stems and pairedleaves. Long, tubular flowersflare out into two lips, the upperone narrow and hooded, thelower one broad. Blossoms areclustered in roundish or elongatedinflorescences. Easy togrow with good drainage.Scutellaria baicalensis
Native to Siberia, China,and Japan. Stems first spread,then grow upright, forming aclump 1 1/2 ft. high and wide.Narrowly ovate, medium greenleaves. Dense, one-sided clustersof blue-purple, inch-longflowers in summer and fall.
Native to Japan. Slowlyforms a mound 4–6 in. high, 1–1 1/2 ft. wide. Blue-gray, slightlytoothed leaves...
From southern Arizona, northern Mexico. To 1 1/2–2 1/2 ft. tall and 1 1/2 ft. wide, with narrow,...
Chartreuseleaves with ruffled edges.