About ‘Caradonna’ Garden Sage :The Caradonna Salvia, with its stately spikes of brilliant violet flowers atop tall, dark and handsome stems of purplish black will stop you in your tracks. The gray green, aromatic foliage is mounded and compact. A bloom period from June to October means you get to enjoy the heady fragrance and luminous color of Caradonna all summer long. Try cutting back after the first flowering for increased bloom time. Quite the attention grabber when used in mass plantings of 5 or more, Caradonna also works well in containers or in a mixed border. A butterfly magnet and much loved by the birds, no one can resist this outstanding perennial. Grows to 30 inches tall and 24 inches wide. Zones 4 to 9.