Cat’s Whiskers is only a perennial in Zones 9-11 because it is a native of S.S. Asia. Honeybees, butterflies and hummingbirds are attracted to its nectar and colors come in white, blue and lavender. It prefers a bog or wet environment in either full sun or partial shade with no drying out, will bloom from late summer to early fall with deadheading, and will reach a height of 18-24". Propagation by 5-6" stem cutting in water or by layering.