(Rhododendron, The General Rhododendron)
Combining exceptional cold-hardiness and showy mid- to late-spring bloom, this Rhododendron catawbiense hybrid bears domed clusters of funnel-shaped crimson flowers with burgundy-speckled upper lobes. The large upright plants have long elliptic dark green leaves. It is one of many hardy rhododendrons raised by Anthony Shammarello of Euclid, Ohio.
Like most rhododendrons, 'The General' favors chilly winters, moderate summers, and well-drained, humus-rich, acid soil. It departs from...
(Catawba Rhododendron, Catawba Rosebay, Jean Marie De Montague Rhododendron)
Jean Marie De Montague rhododendron has large, showy clusters (trusses) of open, bell-shaped, bright red flowers with a dark red spotted throats. This medium-sized, dense, broadleaf evergreen shrub has large, glossy, dark green leaves that can suffer from sun and wind damage if left too exposed in the winter months. Most rhododendron thrive in sites with part shade and moist, acidic, highly organic soil that is perfectly drained. They are susceptible to a wide variety of fungal diseases and insect...
(Rhododendron, Tiana Rhododendron)
'Tiana' is a large-leaved, evergreen rhododendron valued for its lovely flowers and handsome foliage. It is easy to manage and compact in form. In late spring it produces large trusses of white flowers with a burgundy blotch. This rhododendron prefers moist, well-drained soil and protection from afternoon sun (especially in winter to prevent leaf burn). It is versatile in the landscape and works well in woodland settings or in a foundation planting.
A Belgian Indica hybrid, this evergreen azalea bears showy clusters of large ruffled soft pink blooms with creamy white rims. The funnel shaped, scentless flowers appear from early to mid-spring, but may also bloom in late fall and winter in frost-free districts. The mounded waist-high plants have elliptical, dark glossy-green leaves.
Primarily derived from the East Indian species Rhododendron simsii, Rhododendron indicum, and Rhododendron murconatum, Belgian Indica...
Bright pink flowers cover this compact upright evergreen azalea in mid-spring. The unscented flowers of 'Tradition' are hose-in-hose (two "stacked" whorls of petals). The oval glossy dark green leaves take on coppery tints in winter. This cultivar slowly forms a rounded, chest-high shrub.
The Kurume Hybrids result from some 300 years of hybridizing in Japan. Their ancestry likely includes Rhododendron kaempferi, R. kiusianum, and other Japanese species and hybrids....
David C. Royster
(Evergreen Azalea, Glenn Dale Hybrid Azalea, Treasure Hybrid Azalea)
Displaying showy clusters of large, single, faintly pink-tinged white blooms in early to mid-spring, 'Treasure' is one of the more than 400 evergreen azalea hybrids developed from the late 1920s through the 1940s at the United States Department of Agriculture’s Plant Introduction Station at Glenn Dale, Maryland.
Eventually forming an eye-high, upright and spreading shrub, this vigorous cultivar has medium-sized oval leaves. The flowers are held on strong stems and drop after fading rather...
(Rhododendron, Trilby Rhododendron)
Combining good cold-hardiness and showy mid- to late-spring bloom, this hybrid rhododendron bears spherical clusters of deep crimson flowers. The wide-flaring funnel-shaped blooms have a small black blotch on their upper lobe. The open upright medium-sized plants have bright red first-year stems and large elliptic grayish-green leaves.
Like most rhododendrons, 'Trilby' favors chilly winters, moderate summers, and well-drained, humus-rich, acid soil. It departs from the norm, however, in tolerating...
Comprising more than 400 cultivars, the Glenn Dale hybrid azaleas were developed from the late 1920s through the 1940s at the United States Department of Agriculture’s Plant Introduction Station at Glenn Dale, Maryland. This breeding program was initiated by Benjamin Y. Morrison, the first director of the United States National Arboretum. These relatively cold-hardy evergreen azaleas are complex hybrids involving many Asian and North American rhododendrons.
These small to medium-sized shrubs...
(Evergreen Azalea, Glenn Dale Azalea, Trouper Azalea)
Bearing showy clusters of large brilliant scarlet blooms in late spring, 'Trouper' is one of more than 400 evergreen azalea hybrids developed from the late 1920s through the 1940s at the United States Department of Agriculture’s Plant Introduction Station at Glenn Dale, Maryland.
Eventually forming a chest-high, rounded shrub, 'Trouper' has fuzzy dark green oval leaves, some of which may be shed in severe winters. The funnel-shaped single flowers are held on strong stems and drop after fading...
(Greer Hybrid Rhododendron, Rhododendron, Trude Webster Rhododendron)
First winner of the American Rhododendron Society's Superior Plant Award, this is one of many hybrids developed and introduced by Harold Greer of Eugene, Oregon. It bears spectacular immense conical clusters of rich pink flowers in mid-spring. The wide-flaring funnel-shaped blooms have a white blotch and red spots on their upper lobes. The dense upright medium-sized plants have long elliptic glossy green leaves.
Like most rhododendrons, 'Trude Webster' favors chilly winters, moderate summers,...