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.

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. 

Noted for its sweetly scented double flowers in spring, Rhododendron 'Narcissiflorum' is a compact medium-sized deciduous Azalea that creates an appealing display. Blooming in late spring to early summer, the funnel-shaped flowers appear in small balled clusters of 10 small hose-in-hose (flower within a flower) pale yellow scented blooms. The blooms have darker throats and deeper shading on the outside of the petals. Resistant to mildew, the deciduous foliage of mid-green leaves turns attractive shades of bronze-purple in fall. Highly popular, this vigorous, upright Ghent Azalea is cold hardy, up to -15°F (-26°C), and tolerant of warmth. 

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).

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. 

Noted for its scented flowers and lovely fall foliage, Rhododendron 'Weston's Innocence' is a vigorous, medium-sized deciduous Azalea that creates a very appealing display. Blooming heavily in late spring to early summer, this late season Azalea bears showy dome-shaped clusters of 8 strongly fragrant, trumpet-shaped, frilly flowers with a very pale yellow dorsal flare. Resistant to mildew, the deciduous foliage of oval, glossy, mid-green leaves is tinged bronze when new and turns attractive shades of burgundy-red in fall. Exceptionally cold-hardy, this hybrid of the eastern North American native Rhododendron viscosum can withstand temperatures as low as -25°F (-32°C). 

Gorgeous and cold hardy, Rhododendron 'White Lights' is a charming deciduous Azalea that belongs to the Northern Lights Hybrid Series developed by the University of Minnesota Landscape Arboretum. Any Azalea included in this series has flower bud hardiness of -30°F (-34°C) to -45°F (-42°C) to withstand Minnesota winters. Opening from delicate pale pink flower buds in late spring to early summer, 'White Lights' bears abundant dome-shaped trusses of 5 luminous, trumpet-shaped, shell-pink flowers, with faint golden markings and gradually fading to white over time. Extremely floriferous and slightly fragrant, this bestseller Azalea features a handsome foliage of elliptic, flat, olive green leaves that turn deep bronze in fall. 

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.

Prized for its sweet fragrance and bold splashes of color in spring, Rhododendron luteum, commonly known as Pontic Azalea, is a striking, bushy, medium-sized deciduous Azalea. Its large floral trusses produce a magnificent display with their 7 to 17, funnel-shaped, bright golden-yellow flowers, up to 2 in. wide (5 cm), with a darker yellow blotch. From late spring to early summer, the air around the flowers is delightfully scented, making this Azalea a valuable addition near a patio and around the home. Equally attractive, the deciduous foliage of oblong to oblanceolate, mid-green leaves turns eye-catching shades of brilliant orange, yellow and red in fall. This upright, spreading and deciduous shrub is native to Eastern Europe (Poland and the Balkans), southern Russia, and the Caucasus and is the parent of many cultivars and hybrids, including many of the famous Ghent Azaleas.

Regarded as the largest flowered, scented, white azalea species, Rhododendron occidentale, commonly known as Western Azalea, is a plant of great beauty and captivating fragrance that appeals to virtually everyone who comes upon it. The large floral trusses are visually compelling with their 5 to 25, flaring, trumpet-shaped, sparkling white flowers, sometimes tinged with pink and marked with a bright yellow to orange spot. In late spring to early summer, the air around the flowers can be delightfully scented with a sweet and spicy clove scent reminiscent of cottage pinks and carnations. Equally attractive, the deciduous foliage of glossy, bright green leaves turns eye-catching shades of orange and yellow in fall and till midwinter for a stunning display. This large, spreading and deciduous shrub is native to the western USA (California to S Washington) and is the parent of many cultivars and hybrids, including many of the famous Knap Hill Azaleas.

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. 

Noted for its fragrant, spring blossoms and lovely fall color, Rhododendron schlippenbachii, commonly known as Royal Azalea, is an upright, rounded, deciduous Azalea with four seasons of interest. As the leaves emerge in mid to late spring, abundant clusters of 3 to 6 slightly scented, saucer-shaped pink flowers appear at the branch tips, adding elegance and beauty to this early midseason Azalea. Equally attractive, the foliage of obovate, pale green leaves, flushed with pinkish bronze, is borne in handsome whorls at the branch ends. In the fall, the leaves turn eye-catching shades of brilliant red, orange and yellow in a stunning display. Even winter brings its charm when the well-balanced branching structure of this Azalea is fully revealed. 

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.

Prized for its strongly-scented flowers and beautiful fall foliage, Rhododendron viscosum, commonly known as Swamp Azalea, is a very appealing native to the swamps of the eastern United States, from Maine to Alabama, and westward to Texas. This bushy, medium-sized, deciduous shrub bears funnel-shaped, white flowers, often tinged pink, with long slender tubes. Held in small clusters of 3-12 flowers, they bloom profusely after the leaves emerge, in early summer and exude a strong clove-like perfume. The foliage of lustrous, elliptic, dark green leaves turns brilliant shades of yellow, orange, and purple in fall, for a great colorful show. Exceptionally cold-hardy, this late-season Azalea can withstand temperatures as low as to -20°F (-29°C). A wonderful landscape plant that deserves a place near a patio, deck, or living area, where its delightful fragrance can be enjoyed.