Perovskia atriplicifolia
Common name: Russian Sage
This plant has spiky lavender flowers upon fragrant silvery foliage from mid-summer until fall.
It is heat-loving, drought-tolerant, and deer resistant.
Makes a great back of the border filler or as a focal point.
Height: 3-4'
Spread: 3-4'
Exposure: Full Sun
Zone: 4-9
Photos credit & courtesy of Walters Gardens, Inc.