24-30" tall x 24-36" wide. A showy, pollinator-friendly plant with a growth habit similar to lavender, 'Walker's Low' Nepeta was the Perennial Plant of the year in 2007. A member of the mint family, this Nepeta was chosen for its rich color and easy growing, waterwise ways. From late spring to mid summer, you'll be treated to lush purple spikes of flowers that will gladly rebloom when sheared mid-season. Aromatic and drought-tolerant.