Low, mounding, scrambling shrub. Unsupported, grows to 6 ft. tall, 8-10 ft. wide. With support, can reach to 12 ft. or more. Light to medium green leaves, 1-2 inches long. Two to three inch wide flowers in phlox-like clusters, varying from white to light blue.
Hot sun can bleach flowers.
Sensitive to cold and frost with damage below 28 degrees F. Susceptible to iron chlorosis. Prune frost damaged foliage when new growth appears in spring.