Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron × 'Elite' (P.J.M. Hybrid Group) [Elite Rhododendron] 'Elite' is a large, vigorous rhododendron and one of the earliest P.J.M. cultivars to bloom. One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become a dirty looking lavender soon after opening. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron × 'Hino-red' (Kurume Hybrid Group) [Hino-red Azalea] 'Hino-red' is a hardy, compact, evergreen azalea that produces bright red flowers in early spring. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron × 'Holden' (Shammarello Hybrid Group) [Holden Rhododendron] Compact plant with a long bloom season. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron × 'Lemon Lights' [Azalea Lemon Lights] Purdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron maximum 'Roseum' [Roseum Rosebay Rhododendron] 'Roseum' requires wind and shade protection, although it is a vigorous grower. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron minus var minus 'White Perfection' [White Perfection Carolina Rhododendron] A widely adaptable, hardey (perhaps more than indicated) small compact shrub. Flowers are relatively small, but numerous, making it very showy in spring. Subject to winter-burning of foliage, but not as much as other rhododendrons. Blooming occurs while the plant is young and occurs heavily. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron × 'Northern Hi-Lights' [Azalea Northern Hi-Lights] Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron × 'Northern Starburst' (P.J.M. Hybrid Group) [Northern Starburst Rhododendron] One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become a dirty looking mauve-lavender soon after opening. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Purdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron × 'Olga Mezitt' (P.J.M. Hybrid Group) [Olga Mezitt Rhododendron] 'Olga Mezitt' is a vigorous rhododendron with pink flowers. One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become dirty looking soon after opening. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron × 'Purple Gem' [Purple Gem Rhododendron] 'Purple Gem' is a compact, rounded, dwarf rhododendron that is hardy to 15 degrees Fahrenheit. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Purdue Plant Doctor Available