Whitney's PurpleLovely blue violet flowers with bronze anthers and dark freckles on the dorsal create robust ball shaped trusses. This rare and uncommon dwarf varietal has medium green foliage and can be in full sun to partial shade. Whitney's Purple grow's to around 5' tall at maturity. It is hardy to 10F when protected from wind chill. These beauties usually bloom around May, depending on where planted.