Mark A. Miller
Combining showy bloom and exceptional cold hardiness, 'Karen' bears bright lavender-purple flowers from mid- to late spring on compact domed plants. The hose-in-hose blooms (two "stacked" whorls of petals) are broadly funnel shaped. The small oval leaves are dark glossy-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 var. poukhanense...
Gerald L. Klingaman
(Evergreen Azalea, Girard Azalea, Kathy Ann Azalea)
Azalea ‘Kathy Ann’ bears large flowers that are clear white in mid-spring. The abundant single funnel-shaped flowers with ruffled edges cluster near the ends of the branches. The leaves are oval, glossy and dark green. The plants are well-branched, upright and spreading.
Renowned for their cold hardiness, these compact evergreen azaleas were bred at the Ohio-based Girard Nursery. They are also noted for large blooms on compact disease-resistant plants.
Azaleas prefer sites with partial...
(King Tut Rhododendron, Rhododendron, Shammarello Hybrid Rhododendron)
Combining exceptional cold-hardiness, a dense compact habit, and showy mid-spring bloom, this Shammarello Hybrid bears showy conical clusters of large rose-pink flowers. The wide-flaring, funnel-shaped blooms have a yellowish blotch and brown speckles on their upper lobes. This rounded head-high shrub has long elliptic medium-green leaves.
Like most rhododendrons, 'King Tut' prefers chilly winters, moderate summers, and highly organic, well-drained, acid soil. Plant it shallowly and mulch...
David C. Royster
Numerous dense spherical trusses of large vivid red flowers adorn this hybrid deciduous azalea from in mid-to late spring. The widely flaring, funnel-shaped blooms have ruffled edges. This upright open head-high shrub has elliptic crinkled medium-green leaves.
This hardy azalea prefers partial shade and highly organic acid soil that is evenly moist but well drained. It does well in full sun in cool moist sites. Plant it shallowly and mulch well to conserve moisture and suppress weeds. It likes...
A Belgian Indica Hybrid, this evergreen azalea bears showy clusters of large white funnel-shaped blooms. They appear from late winter into spring, but sometimes also from fall to late winter in frost-free districts. The mounded waist-high plants have elliptic 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 for greenhouse...
David C. Royster
Numerous dense trusses of glowing orange-yellow funnel-shaped flowers ornament this Exbury Hybrid azalea in late spring, before the foliage has fully emerged. The buds and the exteriors of the blooms are orange-red. This open upright medium-sized shrub has hairy bright green elliptic leaves that are coppery-red when young. They turn bronze-red in fall.
Developed by Lionel de Rothschild at his Exbury Estate in England, Exbury Hybrids are deciduous azaleas whose ancestry includes the Ghent,...
Compact, showy-flowered, and sun-tolerant, this rhododendron hybrid bears large spherical clusters of waxy, bright scarlet blooms from mid- to late spring. The wide-flaring, frilled, funnel-shaped blooms have brown-spotted upper lobes. The elliptical leaves are long, leathery, and dark green. This cultivar grows relatively rapidly into a dense rounded head-high shrub.
Although it departs from most rhododendrons in its tolerance of full sun, 'Kluis Sensation' joins them in preferring highly organic,...
(Hybrid Azalea, L.J. Bobbink Hybrid Azalea, Rutherford Hybrid Azalea)
One of the Rutherford Hybrid azaleas, this evergreen shrub bears showy clusters of ruffled lavender-pink flowers with white throats from early to mid-spring. It may also bloom in fall and winter in frost-free climates. Red speckles dot the upper lobes of the funnel-shaped blooms. The flowers are hose-in-hose (with two "stacked" whorls of petals). The rounded head-high plants have elliptic dark green leaves.
Tracing their ancestry to the Kurume Hybrids as well as to several East Asian species...
(Evergreen Azalea, Lady Robin Azalea, Robin Hill Azalea)
Azalea ‘Lady Robin’ bears blooms which are variously hued in late spring or early summer. They are white with tints, stripes, streaks and sectors of purplish-pink and have a dark reddish-brown spotted blotch. The flowers are single, widely funnel-shaped and have wavy edges. The plants are low-growing, broadly spreading and dense. Evergreen leaves are elliptical, glossy and bright green.
Robin Hill hybrid azaleas are a large group of evergreen shrubs that were hybridized in New Jersey by chemist...
David C. Royster
(Lee Hybrid Rhododendron, Lee's Dark Purple Rhododendron, Rhododendron)
More than 150 years old and still widely planted, this very cold-hardy Rhododendron catawbiense hybrid bears spherical clusters of plum-violet flowers from mid- to late spring. The wide-flaring, funnel-shaped blooms have brown-flecked upper lobes. This dense, rounded, head-high shrub has large glossy dark-green leaves.
Like most rhododendrons, 'Lee's Dark Purple' favors chilly winters, moderate summers, partial shade, and highly organic, well-drained, acid soil. It departs from the...