'Cannon's Double' Deciduous AzaleaBotanical Name Rhododendron Cannons Double Plant Type Deciduous flowering shrub Mature Size 1. 52 m (56 ft) tall 1. 52 m (56 ft) wide Hardiness Zones 58 (hardy in Southern Ontario) Native Area Hybrid cultivar Spring: Profuse clusters of double pink orange blooms. Summer: Mid green foliage provides structure. Autumn: Leaves turn shades of red and orange. Winter: Deciduous, resting until spring bloom.