David C. Royster
Dense clusters of luminous deep cherry-pink semi-double flowers adorn this popular Knap Hill Hybrid azalea in late spring, before the foliage has fully emerged. This upright open medium-sized shrub has elliptical light-green leaves that color nicely in fall.
Developed in the late nineteenth and early twentienth centuries at the famed Knap Hill Nursery in England, Knap Hill Hybrids are deciduous azaleas whose ancestry includes the Ghent and Molle hybrids and several Japanese and American species....
The clustered red-orange flowers of this Exbury Hybrid azalea open from scarlet buds in late spring, before the foliage has fully emerged. The large funnel-shaped blooms bear an orange blotch. This upright open medium-sized shrub has elliptical mid-green leaves that color nicely in fall.
Developed by Lionel de Rothschild at his Exbury Estate in England, Exbury Hybrids are deciduous azaleas whose ancestry includes the Ghent, Mollis, and Knap Hill hybrids and several Japanese and American species....
(Ice Cube Rhododendron, Rhododendron, Shammarello Hybrid Rhododendron)
Combining exceptional cold-hardiness, a dense rounded habit, and showy late-spring bloom, this Shammarello Hybrid bears conical clusters of large white flowers with a sunny yellow blotch. The wide-flaring, funnel-shaped blooms have slightly wavy edges. This rounded head-high evergreen shrub has long elliptic olive-green leaves.
Like most rhododendrons, 'Ice Cube' does well in partial shade and highly organic, well-drained, acid soil. It departs from the norm, however, in tolerating considerable...
Bred from Southern Indica and possibly Belgian Indica and Indian hybrids, this heat-tolerant evergreen azalea bears showy clusters of double pink flowers from early to mid-spring. The funnel-shaped blooms are hose-in-hose (with two superimposed whorls of petals). In frost-free climates it may rebloom in fall and winter. The compact, spreading mounded plants are densely furnished with handsome dark green leaves.
Selected in the Southeast United States for their tolerance of hot humid conditions,...
David C. Royster
(Janet Blair Rhododendron, Rhododendron)
A dense, vigorous, hardy shrub that offers large conical clusters of lightly fragrant, pale mauve-pink flowers in mid-spring, this rhododendron traces its lineage back to the famed Dexter Hybrids. The wide-flaring, frilly-edged, funnel-shaped blooms have amber rays on their upper lobes. This broadly rounded, medium-sized shrub has long elliptic glossy-green leaves.
Like most rhododendrons, 'Janet Blair' does well in partial shade and highly organic, well-drained, acid soil. Plant it shallowly...
A Belgian Indica hybrid, this evergreen azalea bears showy clusters of large ruffled double white flowers with broad red margins. The scentless flowers appear from early to mid-spring, but may also bloom in late fall and winter in frost-free districts. The upright, chest-high plants have elliptical, dark glossy-green leaves.
Primarily derived from the East Indian species Rhododendron simsii, Rhododendron indicum, and Rhododendron murconatum, Belgian Indica Hybrid...
(Joe Paterno Rhododendron, Pride Hybrid Rhododendron, Rhododendron)
Orlando Pride of Butler, Pennsylvania, bred and introduced numerous hardy evergreen azaleas of Rhododendron kaempferi and Rhododendron yedoense var. poukhanense ancestry. They bear broadly funnel-shaped red, orange, purple, pink, or white flowers in spring. The single blooms often have contrasting markings on their upper lobes The medium-sized rounded plants have relatively small elliptic leaves.
These cold-hardy azaleas prefer partial shade and highly organic acid...
(John Waterer Rhododendron, Rhododendron)
Originating sometime before 1860, this Rhododendron catawbiense hybrid bears showy spherical clusters of wide-flaring, funnel-shaped, purple-red flowers in late spring. It forms an open, upright, medium-sized to large shrub with large medium-green leaves.
Like most rhododendrons, 'John Waterer' does well in partial shade and highly organic, well-drained, acid soil. It departs from the norm, however, in tolerating considerable sun. Plant it shallowly and mulch well to conserve moisture...
A heat-tolerant Southern Indica Hybrid, this evergreen azalea bears showy clusters of large pink flowers from early to mid-spring. Purple freckles dot the upper lobes of the broadly funnel-shaped single flowers. The upright rounded eye-high plants have handsome dark green leaves.
Selected in the Southeast United States for their tolerance of hot humid conditions, Southern Indica azaleas descend from the Belgian Indica Group. Their ancestry includes the East Asian species Rhododendron...
(Hachmann Hybrid Rhododendron, Kalinka Rhododendron, Rhododendron)
One of hundreds of outstanding rhododendron hybrids introduced since 1951 by Hans and Holger Hachmann of Barmstedt, Germany, 'Kalinka' bears showy domed clusters of purplish pink flowers from mid- to late spring. The wide-flaring, wavy-edged, funnel-shaped blooms have a yellowish-green flare and brown spotting on their upper lobes. The dense, rounded, medium-sized plants have large glossy green leaves with fuzzy brown undersides.
Like most rhododendrons, Hachmann Hybrids prefer chilly winters,...