BLUE RIVER

Sport of H. True Blue from D. Reath, R. Klehm, 1998. An arching mound of thick rich blue foliage, widely and irregularly margined chartreuse turning yellow, with streaks jetting toward the midrib, matt  above and a thick glaucous blue-gray below, seersuckered, leaf arching, convex, broadly ovate. Near white flowers in mid-June.