(Pioneer Silvery Pink Rhododendron, Rhododendron)
An early-blooming, hardy, small-leaved rhododendron that offers flowers of a gentler color than those of the PJM Hybrids, this introduction from Hoogendoorn Nurseries of Middletown, Rhode Island, bears showy domed trusses of soft purplish-pink blooms from early to mid-spring. The wide-flaring, wavy-edged, funnel-shaped flowers have red-speckled upper lobes. The dense rounded chest-high plants have medium-sized, elliptic, glossy dark green leaves. Unlike its parent plant, 'Pioneer', this cultivar...
(PJM Aglo Rhododendron, PJM Hybrid Rhododendron, Rhododendron)
Valued for its showy early bloom, its exceptional cold-hardiness, and its handsome evergreen leaves, 'Weston's Aglo' bears rounded trusses of luminous purple-pink flowers from early to mid-spring. The wide-flaring, wavy-edged, funnel-shaped blooms have red-spotted upper lobes. A hybrid rhododendron with close ties to the PJM group, this rounded shoulder-high shrub has medium-sized elliptic dark green leaves that turn deep bronze-purple in fall. It is the reverse cross and has the reverse name of...
A heat-tolerant Southern Indica Hybrid, this evergreen azalea bears showy clusters of large salmon-red flowers from late winter into spring. A crimson blotch ornaments the upper lobes of the broadly funnel-shaped flowers. The tall rounded 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 simsii,...
David C. Royster
(President Lincoln Rhododendron, Rhododendron)
Introduced more than 130 years ago but still valued for its adaptability, hardiness, and showy mid- to late-spring bloom, this Rhododendron catawbiense hybrid bears large rounded clusters of funnel-shaped lavender-pink flowers with bronze-blotched upper lobes. This medium-sized to large shrub has long elliptic leathery green leaves.
Like most rhododendrons, 'President Lincoln' favors chilly winters, moderate summers, and highly organic, well-drained, acid soil. It departs from the...
Auburn University Horticulture Department, Auburn, AL
A heat-tolerant Southern Indica hybrid, this evergreen azalea bears showy clusters of large rose-red funnel-shaped flowers from early to mid-spring. The upright, 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 simsii, R. indicum, and R. murconatum....
David C. Royster
(Deciduous Azalea, Primrose Azalea)
Numerous dense trusses of ruffled pale yellow funnel-shaped flowers adorn this Exbury Hybrid azalea in late spring, before the foliage has fully emerged. Each flower bears a dark yellow blotch on its upper lobe. This open upright medium-sized shrub has hairy bright green elliptic leaves that turn red-bronze in fall.
Developed by Lionel de Rothschild at his Exbury Estate in England, Exbury Hybrids are deciduous azaleas whose ancestry includes the Ghent, Molle, and Knap Hill hybrids and several...
A Belgian Indica Hybrid, this evergreen azalea bears showy clusters of large white red-striped flowers. The flaring, funnel-shaped blooms appear in late winter and early spring, but sometimes also from fall to late winter in frost-free districts. The mounded chest-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...
(Evergreen Azalea, Glenn Dale Hybrid Azalea, Prudence Azalea)
Bearing showy few-flowered clusters of bright purple-pink flowers from early to mid-spring, 'Prudence' is one of the more than 400 named 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. The funnel-shaped blooms are unscented and unmarked. The spent flowers drop rather than persisting on the plant. This upright, rounded, shoulder-high shrub has small elliptic glossy dark-green...
(Boskoop Hybrid Rhododendron, Purple Lace Rhododendron, Rhododendron)
A hybrid of 'Purple Splendour' that offers heavily ruffled blooms of a similar deep shade, this Dutch hybrid bears its showy spherical flower clusters from mid-to late-spring. The wide-flaring funnel-shaped flowers lack the prominent black blotch of its parent. This rounded head-high shrub has large, elliptic, glossy dark green leaves whose surface is attractively rippled.
Like most rhododendrons, 'Purple Lace' favors chilly winters, moderate summers, partial shade, and highly organic, well-drained,...
David C. Royster
(Purple Passion Rhododendron, Rhododendron)
Thought to be a chance seedling of 'Purple Splendour', this 1996 introduction offers blooms of a similarly regal hue on a plant that is considerably hardier. Showy spherical clusters of luminous reddish plum-purple flowers appear in late spring. The wide-flaring funnel-shaped flowers have a white blotch on their upper lobes. This rounded head-high shrub has large, elliptic, glossy dark green leaves.
Like most rhododendrons, 'Purple Passion favors chilly winters, moderate summers, partial shade,...