Lee's Dark Purple Rhododendron Lee's Dark Purple Rhododendron flowers are royal purple with greenish-brown to ochre markings . Held in ball-shaped truss of about 16 flowers. Upright growth habit. Reliable and heat tolerant. Primary Color: Purple Bloom Time: Late Height in 10 Years: 5.5' Hardiness (Temperature): -15 Sun / Shade: Morning Sun, Afternoon Shade Landscape Category: Shrub Genus: Rhododendron More plants in: Hybrid Rhododendrons Find out if this plant is available: Rhododendron and Azalea Availability List