April Rose Rhododendron April Rose Rhododendrons have double bright purple red flowers set against a mahogany background of winter foliage. Upright plant habit. Plant requires excellent drainage. Primary Color: Purple Bloom Time: Early Height in 10 Years: 3' Hardiness (Temperature): -25 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