Amsonia (Bluestar), a temperate member of the predominantly tropical dogbane family (Apocynaceae), is related to common periwinkle (Vinca minor) and frangipani (Plumeria rubra). There are about 20 species of Amsonia native to North America, Europe and Asia, although only three or four species are commonly cultivated. Amsonias are hardy, low-maintenance perennials that provide three seasons of interest in the garden. Their blue flowers complement most colors in the early summer garden; their shrubby habit provides structure throughout the season and the golden-yellow leaves glow in the fall landscape. Such an ornamental appeal!