Wojnar's Purple Rhododendron Wojnar's Purple has flowers that are vivid reddish purple with darker margins and an even darker flare on the upper lobe. Growth habit is low and wide-spreading. Primary Color: Purple Bloom Time: Late Height in 10 Years: 3' Hardiness (Temperature): -20 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