Midnight Ruby Rhododendron Midnight Ruby Rhododendron has wavy reddish-purple blooms with a yellowish eye. Interesting dark foliage during the fall and winter. Primary Color: Pink Bloom Time: Midseason Height in 10 Years: 2' Hardiness (Temperature): -5 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