Perovskia atriplicifolia 'Rocketman'
Shorter than the species, does not flop, with strong stems. Larger, fluffy, lavender blue flowers start in late summer and last until October.
Exposure: Full Sun
Size: 30-36" tall x 18" wide
Bloom: Summer - Fall
Hardiness: Zone 4
Characteristics: Deer Resistant, Cut Flower, Butterfly/Hummingbird Attracting