Rhododendron 'Red River' Ericaceae
Long-lived polycarpic perennial
Comstock Knoll and Rhododendron Collection
Source of plant
Leach Research Station, Sandy Rhododendron
To 5' in height; hardy to -20 degrees F.; late season blooming. Flowers bright red shading pink towards an almost white center with a yellow dorsal flair, held in full pyramidal trusses. Leaves large and wavy-margined.
USDA Hardiness Zone