Azurro Rhododendron Azurro Rhododendron has rich purple flowers with a prominent red blotch adorning this attractive plant. Growth habit is tight and compact shrub. Primary Color: Purple Bloom Time: Late Height in 10 Years: 4' 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