Perennial Herb: Tolerates drought, deer & gophers. An improved S. 'Caradonna' w/ more flower power! A colorful plant for pollinators w/ spikes of dark purple flowers & dark stems spring-fall. Excellent border, rock garden, pot & edge plant. Goes well under garden roses. Combines nicely w/ Achillea (yarrow). Attracts butterflies & hummers. Compact, upright habit. Ht: 14-18". W: 14-16". Expos: sun. Water: mod/dry. USDA Z3. (syn. S. x sylvestris, S. superba)