Rhododendron Olga Mezitt (Olga Mezitt Rhododendron)Clear, deep pink blossoms Blooms early to mid May Vigorous plant Wide and upright grower Shiny, bright green foliage turns reddish in the fall Clear, deep pink blossoms appear in abundance in early to mid May just after PJM. A vigorous plant, it grows wide and upright with shiny, bright green foliage that turns a beautiful reddish color in fall. Hardiness Zone 4 8 Height 5 6 ft Spread 4 5 ft