Perovskia atriplicifolia 'Little Spire' Little Spire Russian Sage

Little Spire is a  shrubby plant with aromatic, gray-green foliage and pale blue flowers.  It blooms for over a month and displays color from summer to mid-fall.
 
Mature Height: 24-36"
Mature Width:  24-30"
Growth Form:  Compact.
Bloom Color:  Pale blue