(Blue Ensign Rhododendron, Rhododendron, Slocock Hybrid Rhododendron)
Offering superior cold hardiness, a dense compact habit, and showy blooms of a shade rarely found among hardy rhododendrons, 'Blue Ensign' bears spherical clusters of lavender-blue, white-centered flowers in mid-spring. The wide-flaring, wavy-edged, funnel-shaped flowers have a purple blotch on their upper lobe. This rounded shoulder-high shrub has large elliptic dark green leaves, which sometimes become spotted. It was raised by W. C. Slocock of Woking, England, patriarch of one of the most prominent...
David C. Royster
(Blue Peter Rhododendron, Rhododendron, Waterer & Crisp Hybrid Rhododendron)
As adaptable as it is beautiful, this broad upright evergreen shrub bears tight spherical clusters of lavender-blue flowers in mid-spring. The ruffled, broadly funnel-shaped blooms have pale throats and a dramatic deep purple blotch. The long elliptic leaves are glossy dark green.
Like most rhododendrons, this vigorous hybrid prefers highly organic acid soil that is evenly moist but well-drained. It departs from the norm, however, in tolerating full sun. Plant it shallowly and mulch well to...
(Boudoir Azalea, Boudoir Hybrid Azalea, Evergreen Azalea)
Combining superior hardiness, showy mid-spring bloom, and a compact habit, this Gable Hybrid azalea bears clusters of deep rose-pink flowers on rounded chest-high plants. The flaring, wavy-edged, funnel-shaped blooms have red-spotted upper lobes. The small elliptic evergreen leaves are glossy dark green.
Developed mostly by Joseph Gable of Stewartstown, Pennsylvania, Gable Hybrids include some of the hardiest evergreen azaleas available, thanks to the contributions of Rhododendron yedoense...
One of the so-called Indian hybrid azaleas, this evergreen shrub bears showy clusters of large single red-purple flowers from early to mid-spring. The broadly funnel-shaped blooms are unscented. The relatively tall rounded plants have elliptic dark green leaves.
Hybrids that have the East Asian species Rhododendron simsii, Rhododendron indicum, and Rhododendron murconatum in their ancestry, Indian Group azaleas were first developed in the nineteenth century for greenhouse...
(Buccaneer Azalea, Evergreen Azalea, Glenn Dale Hybrid Azalea)
Bearing clusters of large dazzling orange-red blooms in late spring, 'Buccaneer' 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, 'Buccaneer' has medium-sized oval leaves that are bronze-tinged when young. The funnel-shaped single flowers are held on strong stems and drop after fading rather than...
(Cadis Azalea, Evergreen Azalea, Gable Hybrid Azalea)
Combining showy bloom and exceptional hardiness, this broadleaf evergreen shrub bears spherical heads of immense soft-pink flowers in late spring. The fragrant ruffled bell-shaped blooms are suffused with pale yellow. The long leathery dark green leaves are red-tinged when young. This cultivar grows relatively rapidly into a rounded medium-sized shrub.
This is one of several rhododendron hybrids developed by Joseph Gable of Stewartstown, Pennsylvania, who is best known as the creator of the...
(Belgian Indica Azalea, California Peach Azlaea, Evergreen Azalea)
A Belgian Indica hybrid, this evergreen azalea bears large peachy-pink double to semi-double blooms in early to mid spring. In frost-free climates it may also bloom from late fall through winter. The funnel-shaped blooms are scentless. 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 azaleas were originally...
(Belgian Indica Azalea, California Snow Azalea, Evergreen Azalea)
A Belgian Indica hybrid, this evergreen azalea bears showy clusters of large double white blooms in early to mid spring. In frost-free areas it may also bloom in fall and winter. The funnel-shaped blooms are scentless. 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 azaleas were originally developed...
David C. Royster
(Calsap Rhododendron, Michener Hybrid Rhododendron, Rhododendron)
As exceptionally hardy as it is beautiful, this hybrid of Rhododendron catawbiense var. album bears spectacular spherical clusters of white flowers with boldly contrasting burgundy-purple blotches. The broadly funnel-shaped blooms appear in late spring. This vigorous evergreen forms a rounded head-high shrub with long, elliptic, yellow-green leaves.
Like most rhododendrons, 'Calsap' prefers some shade and a highly organic acid soil that is evenly moist but well-drained. It makes...
(Cannons Double Pink Azalea, Deciduous Azalea)
Named a 2008 Rhododendron of the Year by the American Rhododendron Society, ‘Cannon’s Double’ is an exceptional, deciduous azalea. This hybrid is very hardy and flowers abundantly. The fragrant, tubular-funnel-shaped blooms appear in late spring and early summer and are fully double with wavy edges. The color is pale yellow with deep pink veins and outer petals. The plants are small, mounding and open. The dark-green leaves are small, oval to lance-shaped and have red-bronze fall color.