Rhododendron Gartendirektor Rieger ('Adriaan' × R. williamsianum)
- Broadleaf evergreen shrub, 4 ft in 10 years, upright habit. Leaves rounded, slightly recurved, with yellow-green petioles, red in bright sun. Flowers pink in the bud and becoming cream-white with red spotting, in open-topped clusters with 4-9 flowers.
10o F, mid, 4/4/4 [flower / plant & foliage / performance; scale 1 (poor) - 5 (best)]. Likes a fair amount of sun for good blooming but optimal foliage requires filtered sun.