Slightly fragrant and exceptionally cold hardy, Rhododendron 'April Rose' is prized for its early spring blooms. This semi-dwarf evergreen shrub bears elegant, widely funnel-shaped, double, purplish-red flowers, up to 2 in. wide (5 cm), at the branch tips in early to mid-spring. The foliage of elliptic, flat, deep green leaves turns reddish-bronze in fall. A very reliable performer, this Lepidote Rhododendron is tough and can withstand temperatures as low as -25ºF (-31ºC). It makes a lovely accent shrub that is pleasing to the eye.

Regarded as one of the most fragrant deciduous Azaleas, Rhododendron 'Fragrant Star' is a pretty addition to the mid-spring garden with its masses of very strongly scented, funnel-shaped, pure white flowers, up to 1.5 in. wide (3-4 cm). The deciduous foliage of blue-green leaves is equally attractive. 'Fragrant Star' resembles its popular parent, Rhododendron 'Snowbird', but displays larger flowers and thicker leaves. Heat tolerant, it is also quite cold hardy and can withstand temperatures as low as -20°F (-29°C).

Setting the garden ablaze, multiple award-winning Rhododendron 'Gibraltar' is a medium-sized deciduous azalea that produces incredibly eye-catching ball-shaped trusses of 10 to 12 flowers. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. wide (7 cm), is elegantly frilled and flushed red-orange with a gold tinge. Slightly fragrant, they blanket this midseason Knaphill hybrid in an exceptional floral display and contrast nicely with the handsome foliage of narrow green leaves which do not develop any appreciable fall color. An extremely hardy selection that is also extraordinarily mildew resistant.

Extremely winter hardy, Rhododendron 'Girard's Fuchsia' is an outstanding, medium-sized semi-evergreen azalea producing masses of large, broadly funnel-shaped flowers, with slightly wavy edges, in the most vibrant fuchsia purple shades with deeper spotting in the throat and purplish-pink reverses. Blooming in late spring, the blossoms of this midseason rhododendron cover the shrub in a brilliant color display. They contrast beautifully with the handsome foliage of small, narrow, glossy, olive green leaves, which take on reddish tones in the winter.

Fragrant and exceptionally cold-hardy, Rhododendron 'Golden Lights' is a compact, deciduous Azalea that belongs to the Northern Lights Hybrid Series developed by the University of Minnesota Landscape Arboretum. Opening from red-orange buds in late spring to early summer, before the leaves unfurl, 'Golden Lights' bears abundant flat trusses of 10 luminous, funnel-shaped, golden or butter-yellow flowers with lovely salmon-pink to orange highlights. Each bloom in the truss is less than 2 in. (5 cm), but they are so profuse that the trusses look enormous. The foliage of narrow, olive green leaves has the added advantage of greater resistance to mildew than some other hybrid azalea cultivars.

Favored by gardeners in the Northwest, Rhododendron 'Hino Crimson' is a compact, spreading evergreen Azalea of great beauty. Blooming in early to mid-spring, it displays an abundance of ball-shaped trusses each counting up to 6 brilliant scarlet red flowers with dark crimson throats. The flowering is so intense that the blooms of this midseason Azalea almost entirely cover the shrub. The foliage of small, elliptic, shiny dark green leaves turns bronze to red in cold weather. 'Hino Crimson' is a Kurume hybrid Azalea that is so compact that it works perfectly well in small gardens or rock gardens where it adds an impressive color display.

Valued for its luminous flowers and showy fall color, multiple award-winning Rhododendron 'Homebush' is a small deciduous shrub that produces dense, perfectly round trusses of 14 to 16 rose-pink flowers with long stamens elegantly protruding from the corolla. Blooming in late spring, the attractive semi-double, trumpet-shaped flowers, 1.5 in. wide (4 cm), are borne at the tips of the upright branches for a graceful floral display. The foliage of elliptic, light green leaves provides excellent fall color and is mildew resistant.

Slightly fragrant and exceptionally cold hardy, Rhododendron 'Karens' is a very eye-catching, dense, and compact, semi-evergreen Azalea. In mid to late spring, it bears abundant clusters of 3 to 4 large, open, funnel-shaped, rich reddish-purple flowers, up to 2 in. wide (5 cm), elegantly darker freckled. The foliage of elliptic, glossy, olive green leaves takes on wine-red and coppery shades in fall and winter. A very reliable performer, this showy Azalea is tough and can withstand temperatures as low as -25ºF (-31ºC). It is said to tolerate neutral soils. 

With some of the prettiest flowers, Rhododendron 'Ken Janeck' is a broadleaf evergreen rhododendron that, in mid-spring, displays abundant clusters of about 13 to 17 soft pink trumpet-shaped flowers. Each richly colored bloom of this midseason rhododendron opens up from deep rose-pink buds to pale pink blossoms and gradually fades to white, the upper lobe being slightly spotted green. The dark green leaves are long, narrow, and slightly recurved with a thick coating beneath. Grows in a compact, dense multi-stemmed, and mounding shrub.

Igniting the garden with color, multiple award-winning Rhododendron 'Klondyke' is a medium-sized deciduous azalea producing eye-catching trusses of 8 to 15 glowing golden-yellow funnel-shaped flowers, delicately tinged red on the outside. Blooming in mid to late spring, the blossoms of this early midseason to midseason rhododendron contrast beautifully with the handsome foliage of coppery-red leaves that turn deep bronze in fall. An extremely hardy selection that never fails to provide a splendid display when massed in shrub borders.

Ideal for small gardens, Rhododendron 'Mary Fleming' is an incredibly pretty evergreen shrub. It produces an abundance of creamy, wavy-edged flowers that are delicately tinged with salmon pink and display a darker pink blotch in their throat. Blooming in mid-spring, the blossoms of this early midseason rhododendron cover this dwarf rhododendron in a brilliant color display. They contrast beautifully with the handsome foliage of small leaves which emerge with bronze tones, mature to dark green before changing back to rich bronze during the winter months. Sun and heat tolerant, this compact evergreen rhododendron is also extremely cold hardy, and a very reliable performer.

Prized for its multi-colored blooms and remarkable cold hardiness, Rhododendron 'Mount Saint Helens' is a stunning, medium-sized, deciduous Azalea. Opening from red buds in late spring to early summer, it bears abundant rounded trusses of 11 trumpet-shaped, rich salmon pink flowers with a bold golden-orange blotch for the most striking display. Extremely floriferous, this Girard hybrid features a handsome foliage of olive green leaves that turns golden-bronze in fall. This late midseason Azalea is quite tough and can withstand temperatures as low as -25°F (-32°C), without having its flower buds damaged.

Prized for its gorgeous flowers and extreme cold hardiness, Rhododendron 'Nova Zembla' is a vigorous small evergreen shrub that produces large rounded trusses of brilliant red flowers. Blooming in mid to late spring, each trumpet-shaped flower is delicately splashed with deep maroon blotches on its upper lobes. Flowering is so prodigious that they smother this midseason rhododendron in an exceptional floral display. The evergreen foliage of elliptic, glossy, thick, and dark green leaves does not develop any appreciable fall color. Raised and introduced by Koster & Sons, 'Nova Zembla' features stout trunks with thick stems, their bark becoming scaly and very attractive over time. This Catawba hybrid is regarded as one of the most popular red rhododendrons for severe climates. It is also tolerant of heat and sun.

Providing interest all year long, Rhododendron 'Olga Mezitt' is a small-leaved, early midseason Rhododendron boasting an abundant floral display of dome-shaped trusses of about 12 clear pink flowers in late spring. Each slightly fragrant bloom features inconspicuous golden green blotches that age to reddish-brown. The shiny green, lance-shaped aromatic leaves are disease resistant and turn lovely coppery-burgundy shades in winter. Grows in a wide and upright evergreen shrub.

Highly popular in North America and exceptionally cold hardy, Rhododendron 'PJM Elite' is a vigorous and showy evergreen shrub. In mid to late spring, it bears abundant rounded clusters of 10 to 15, trumpet-shaped, vibrant reddish-purple flowers. The foliage of elliptic, glossy, dark green leaves turns reddish-purple in fall and winter. A very reliable performer, this showy Rhododendron is tough and can withstand temperatures as low as -25ºF (-32ºC).

A fabulous double-flowered Azalea, multiple award-winning Rhododendron 'Rosebud' is a small, compact evergreen shrub that produces incredibly beautiful rosy-pink flowers, 1.5 in. wide (4 cm). Opening from buds resembling perfect rosebuds in mid to late spring, each broadly funnel-shaped flower features up to 12 petals, delicately flushed with a slight veining of deep purplish pink. Flowering is so massive that it covers this midseason Gable hybrid in an exceptional floral display that can last up to 6 weeks, and hides branches and leaves. The evergreen foliage of small, glossy, mid-green leaves does not develop any appreciable fall color. Raised and introduced by Gable, 'Rosebud' is extremely cold hardy, and regarded as the best pink rose-form full double Azalea.

Vigorous, Rhododendron 'Roseum Elegans' is a large, dense, broadleaf evergreen shrub that is valued for its large rounded clusters of rosy lavender flowers. Blooming in late spring to early summer, each cluster (or truss) can hold up to 20 attractive bell-shaped flowers with delicate reddish-brown dorsal spotting. Borne at the tips of the upright branches, the blossoms gradually change to pink over time and contrast beautifully with the evergreen foliage of elliptic, glossy, olive green leaves. Raised and introduced by A. Waterer, this late midseason Rhododendron is tolerant of heat and cold.

Fragrant and exceptionally cold hardy, Rhododendron 'Rosy Lights' is a compact, deciduous Azalea that belongs to the Northern Lights Hybrid Series developed by the University of Minnesota Landscape Arboretum. Opening in late spring to early summer before the leaves unfurl, 'Rosy Lights' bears abundant dome-shaped trusses of 8 luminous, trumpet-shaped, deep rose-pink flowers with lovely orange freckles on their dorsal lobes. Extremely floriferous, this Azalea features a handsome foliage of narrow, olive green leaves that turns maroon in fall. 

Prized for its remarkably pretty flowers, multiple award-winning Rhododendron 'Scintillation' is a medium-sized, free-flowering, evergreen shrub that produces large rounded trusses of 11 to 15 soft pink flowers. Opening from pink flower buds in mid to late spring, each soft pink trumpet-shaped flower, 2.5 in. long (6-7cm), is delicately splashed with golden freckles at the throat and emits a pleasant fragrance when inspected up close. Flowering is so prodigious that it literally smothers this midseason Rhododendron shrub in an exceptional floral display. The evergreen foliage of long, glossy, olive to dark green leaves does not develop any appreciable fall color and curls up tight when the winter temperatures drop. Heat and cold tolerant, it has received more accolades in eastern North America than any other.

Prized for its compact habit, luminous spring flowers and remarkable cold hardiness, Rhododendron 'Windbeam' is a popular small-leaved deciduous Azalea hybrid. As the leaves emerge in mid-spring, abundant ball-shaped clusters of 8 funnel-shaped white flowers, up to 1 in. wide (2.5 cm), tinged with soft apricot, appear at the branch tips, adding elegance and beauty to this early midseason Azalea. After a few days, the blossoms age to white before turning light purplish-pink, with their dorsal lobes slightly spotted red. The foliage of small, rounded, aromatic, olive green leaves turns bronze-green in fall. A very reliable performer, this Azalea is tough, sun and heat tolerant and makes a lovely accent shrub that is pleasing to the eye.

Native to the southeastern coastal plains of the United States, Rhododendron atlanticum, commonly known as Coastal Azalea or Dwarf Azalea, is a delightfully fragrant, semi-dwarf, deciduous Azalea. Blooming before the leaves emerge in mid to late spring, its funnel-shaped, white flowers, up to 1.5 in. wide (3-4 cm), with elegantly protruding stamens, are often softly blushed with pink on the outside. They bloom in clusters of 3 to 13 and contrast beautifully with the deciduous foliage of elliptic, blue-green leaves. Attractive and tough, this low, spreading shrub has been used in Azalea breeding programs to obtain sweet-smelling deciduous Azaleas. The powerful musky fragrance of this Azalea makes it a valuable addition alongside walking paths.

Regarded as one of the most gorgeous American shrubs, Rhododendron calendulaceum, also known as the Flame Azalea, is certainly one of the most spectacular native shrubs with its very showy flowers. Sometimes slightly scented, the blooms are larger than most other natives, up to 3 in. wide (7 cm), with buds resembling candle flames (hence the common name). Appearing as leaves emerge or just after, the flowers come in a wide range of fiery colors including golden-yellow, glowing orange shades, and brilliant red, usually with an orange blotch on their upper lobe. Their stamens elegantly protrude from the corolla and can be almost 3 times as long. Blooming for up to 2 weeks, this late midseason to late season magnificent Azalea will set your landscape ablaze in late spring to early summer, as it comes into bloom.

Exceptionally cold hardy and decorative, Rhododendron mucronulatum 'Cornell Pink' is also prized for its early spring blooms. This medium-sized deciduous shrub bears graceful clusters of 2 to 3, broadly funnel-shaped, clear pink flowers, up to 2 in. wide (5 cm), on bare branches from mid-winter to early spring. This mucronulatum hybrid puts on a spectacular show for two solid weeks when very little else is blooming. No doubt onlookers will stop and admire it. The foliage of lanceolate, dark green leaves is deciduous, unlike most other lepidote Rhododendrons, but they turn yellow and bronze before falling. A very reliable performer, 'Cornell Pink' makes a lovely accent shrub that is pleasing to the eye and a great companion to early daffodils and other spring bulbs. 

Prized for its delightful fragrance and stunning floral display, Rhododendron prinophyllum (Roseshell Azalea) is a vigorous and showy deciduous Azalea. In mid to late spring, abundant funnel-shaped, rose pink flowers, 1-2 in. wide (2-5 cm), with elegantly protruding stamens, appear in large clusters of 4-12 blossoms, before or at the time of the emergence of the leaves. The foliage of elliptic, smooth, blue-green deciduous leaves turns attractive shades of purple in fall. Rich with strong cinnamon to clove fragrance, this Azalea is exceptionally cold-hardy and can withstand temperatures as low as -25ºF (-32ºC). A terrific landscape plant for northeastern gardens, this azalea has a marked tolerance to high pH. 

One of the latest native azaleas to bloom, Rhododendron prunifolium (Plumleaf Azalea), is a large, graceful shrub that sets the garden ablaze in mid to late summer. This deciduous azalea produces an abundance of orange to vivid red, funnel-shaped flowers, up to 2 in. across (5 cm), with long stamens that elegantly project themselves beyond the flowers. Borne in clusters of 4-7 flowers, the blooms are a great nectar source for swallowtail butterflies and hummingbirds. They contrast beautifully with the elliptic to obovate, 6 in. long (15 cm), dark green shiny leaves which turn yellowish to plum in the fall.

One of the first and most beautiful spring-flowering native azaleas to bloom, Rhododendron vaseyi (Pink-Shell Azalea) is a deciduous, irregularly rounded shrub that features trusses of 4 to 8 delicate pink to white, flat-faced flowers on leafless stems, with some prominent spotting in their throat. Blooming in mid-spring, the blossoms appear before the foliage of shiny, dark green leaves emerge. In fall, its foliage turns from bright green to glowing orange and red, igniting the garden with color. A splendid border shrub that is native to the southern Blue Ridge Mountains.