The dappled shade beneath mature trees is an ideal spot for planting rhododendrons. They’re a part of a genus of over 1000 species of woody plants in the heather family. Landscaping for Wildlife in the Pacific Northwest. The description of these plants Raised and introduced by Gable, 'Rosebud' is extremely cold hardy and regarded as the best pink rose-form full double Azalea. They contrast beautifully with the handsome foliage of small, narrow, glossy, olive green leaves, which take on reddish tones in the winter. To create additional collections, you must be a paid member of our site. Choose a site with dappled shade in sheltered conditions. 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. Blooming in mid spring, the blossoms of this early midseason rhododendron cover this dwarf rhododendron in a brilliant color display. Photo by Mason Vranish. *All photographs on this site were taken by Dana, Edmund or Sky Bressette unless otherwise noted. Its large floral trusses produce a magnificent display with their 7 to 17, funnel-shaped, bright golden-yellow flowers, up to 2 in. Ideas with Rhododendrons - Azaleas, Extend the Blooming Season of your Azaleas and Rhododendrons, Choosing Perfect Azaleas and Rhododendrons, Beautiful Azaleas and Rhododendrons for the Midwest, Beautiful Azaleas and Rhododendrons for the Mid-Atlantic Region, A Spectacular Spring Border Idea with Brilliant Tulips and Cotinus, A Four-Season Border with Evergreen Conifers and Japanese Maples, A Super Climbing Duo with Crimson Roses and Purple Clematis, A Late Season Border Idea with Asters and Grasses, A Glowing Fall Border with Asters, Dogwood and Grasses, A Treasured Winter Border Idea with Hellebores, Sedge and Dogwood, Azaleas - Rhododendrons, Rhododendrons - Azaleas, Beautiful Azaleas and Rhododendrons for the Pacific Northwest Region. Their flowers range from the tiny and delicate blossoms of floriferous dwarf shrubs to the huge clusters or 'trusses' of tall growing hybrids and species. it was the inspiration for the Pacific Horticulture logo, which was designed in the 1970s by artist Wynn Hayakawa, daughter of the late Margedant Hayakawa, a founding board member and former president of Pacific Horticultural Foundation. In May, when our northwest native Rhododendron macrophyllum is in bloom, I love driving through Whidbey Island or around the Kitsap and Olympic Peninsulas, spotting the vast amount of this native species in full regalia. We carry special selections from the Smith Mossman collection. & A. Rhododendron-Phytophthora Blight and Dieback. 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. The foliage of elliptic, glossy, dark green leaves turns reddish-purple in fall and winter. Propagation:  Seeds do not require stratification, but require light to germinate. are also now often lumped into the Rhododendron genus. Difference Between Mountain Laurel & Rhododendrons. 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. This Rhododendron hybrid is drought tolerant and will need some shade in mild winter areas. Flowers were used by natives as decoration, especially for dance wreaths. wide (5 cm). Plants of the Pacific Northwest Coast: Washington, Oregon, British Columbia and Alaska. Pink in bud, each flower opens white flushed pink with deeper stripes, and fade to very pale pink, almost white over time. It is a very large genus with about 1200 described species. Rhodies and Azaleas have shallow root systems and prefer a thin layer of mulch, under 1". Native Plants of the Pacific Northwest. Six species have been reported in Washington. All are fascinating. From Homepage May 3, 2002. Remember that the ability to grow Azaleas and Rhododendrons successfully depends also on the site selection and soil preparation. Washington State’s official flower is the beautiful Pacific Rhododendron, R. macrophyllum. Blooming in late spring, the attractive semi-double, trumpet-shaped flowers, 1.5 in. Grows in a compact, dense multi-stemmed and mounding shrub. The following is a list of Azaleas and Rhododendrons recognized as proven performers in the Pacific Northwest region. Create a membership account to save your garden designs and to view them on any device. The rust of cultivated rhododendrons is C. reticulata, a native North American rust that spread to nurseries from Ledum. wide (5 cm), with a darker yellow blotch. Their form and texture also tend to reduce the legginess of your Azalea shrubs and handsome effects can be created by choosing the perfect leaf shapes that complement and contrast beautifully to the growth habit for your Azaleas and Rhododendrons. On the wild side, beside trillium and bloodroot, there is the very fragrant R. occidental, the Pacific Coast native azalea. Home Forums > Pacific Northwest of North America > Pacific Northwest Native Plants > Rhododendron camschaticum. This will help in preventing bark-split (when the sap running in the stem is frozen and burst the bark). In order to test this hypothesis, morphological features of powdery mildew fungi infecting Rhododendron were characterized microscopically and phylogenetic analyses of ITS, 28S, and RPB1 sequences were … Pacific Rhododendron is also useful for erosion control on steep watersheds. But there over 900 species of rhododendron and countless more thousands of hybrids that are not native to this area. The other 2 species will be discussed in the section on deciduous shrubs. To be selected for such an award, a plant must have excellent foliage and flowers, have an attractive plant habit, be pest and disease resistant and be cold hardy for the region. Relationships: The rhododendron genus includes plants commonly known as azaleas. Link, Russell. This iconic Pacific Northwest shrub has an open form and long leathery evergreen leaves. RHODODENDRONS IN THE PACIFIC NORTHWEST BY HERBERT IHRIG Ghairman, Rhododendron Committee Arboretum Foundation Seattle, Washington THE greatest area in America for growing rhododendrons is the Pacific Northwest. Other names for the plant include California rosebay and coast rhododendron. Lighting up the dull days of winter, Rhododendron 'Christmas Cheer' is a remarkable sight when in full bloom from late winter to early spring. Evergreen or deciduous, they come in all shapes and sizes, from small, ground-hugging shrubs to large, tree-like specimens. Ideas with Azaleas - Rhododendrons, Want Garden Inspiration? In the fall, the leaves turn eye-catching shades of brilliant red, orange and yellow in a stunning display. Rhododendron macrophyllumSOLD OUTThe state flower of Washington, Pacific Rhododendron blooms range from light pink to rosy-purple. Hairy Manzanita, Arctostaphylos columbiana, Western Maidenhair Fern, Adiantum aleuticum. Held in lax trusses of about 6 to 8 blooms, they provide a memorable scented display and contrast beautifully with the evergreen foliage of small dark green recurved leaves that becomes bronze-tinged in sunlight. It can enter through wounds. Cause Chrysomyxa piperiana is probably the main species on native R. macrophyllum in Oregon and has the alternate host, Sitka spruce, which is reported in Oregon. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. Highly popular in North America and exceptionally cold hardy, Rhododendron 'PJM Elite' is a vigorous and showy evergreen shrub. 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. Seed capsules ripen August to September. North Albany resident Jim Hoffman quit his job as a store manager at Oregon State University this week to work … In the Pacific Northwest, an emphasis on native vegetation in landscaping also has he… wide (7 cm), is elegantly frilled and flushed red orange with a gold tinge. Choose... Use our interactive toolsto design your dream garden. The climate of the U.S. Pacific Northwest region, especially between the Cascade Mountain range and the Pacific Ocean, is very accommodating to the growth of many types of rhododendron … Ideal for small gardens, Rhododendron 'Mary Fleming' is an incredibly pretty evergreen shrub. T/F: Rhododendrons are native to the Pacific Northwest. It is the state flower of Washington. Indeed, because the winter weather west of the Cascade Mountains is relatively mild, the blooming season is often quite long at the Rhododendron Species Botanical Garden, where flowers of a few species often begin to appear in early January. Create splendid winter combinations like this one. The evergreen leaves are glossy, narrow and dark green on a fairly compact, rounded and well-branched shrub. Rhododendron macrophyllum literally means, “Rose tree with big leaves.”  It is the state flower of Washington State. Both white and pink forms are commercially available . The Rhododendron Species Foundation in Federal Way, Washington, which is dedicated to the conservation, public display, and distribution of Rhododendron species has about 600 species in their display gardens along with many of the over 28,000 cultivated varieties. The western azalea (Rhododendron occidentale) is one of only two species of rhododendron native to the West Coast of North America. Distribution: The Pacific Rhododendron is found west of the Cascades from southern British Columbia to Northern California. A fabulous double-flowered Azalea, multiple award-winning Rhododendron 'Rosebud' is a small, compact evergreen shrub which produces incredibly beautiful rosy-pink flowers, 1.5 in. Since frost flows downward, avoid planting them in low-lying spots known to be frost pockets. Gardening with Native Plants of the Pacific Northwest; an Illustrated Guide. '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. Even those that steer away from rhodies due to the fact that they are so common in northwest gardens may be convinced to include this native species in their yard! Grown just for you. Gray (roe-doe-DEN-dron ahk-sih-den-TAY-lee) Names: Occidentale means western; so Rhododendron occidentale, literally means, “western rose-tree.” It is sometimes called Pacific Azalea or California Azalea. Protect their shallow roots with a mulch of oak leaves or pine needles and their foliage with woven material such as burlap screens. The flowering shrub grows along the coast of California, Oregon, Washington, and into British Columbia. Rhodos are happiest in well draining, acidic soil receiving only part sun. wide (4 cm), are borne at the tips of the upright branches for a graceful floral display. Each flower has 5 lobes with wavy edges. Difficult to grow outside the Pacific Northwest and California, Rhododendron occidentale is a choice native plant for our region. With some of the prettiest flowers, Rhododendron 'Ken Janeck' is a broadleaf evergreen rhododendron which, in mid spring, displays abundant clusters of about 13 to 17 soft pink trumpet-shaped flowers. One of the more spectacular North American native shrubs is the Pacific rhododendron (Rhododendron macrophyllum). Wounding and dipping in an IBA hormone aids rooting of cuttings. The foliage of elliptic, light green leaves provides excellent fall color and is mildew resistant. Check these Great Plant Combination 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. Phenology: Bloom Period:  April-May. Blooming in late spring, the blossoms of this midseason rhododendron cover the shrub in a brilliant color display. Exceptionally pretty 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. It commonly grows along roadsides in the rainshadow of the Olympic Mountains. Wild plants are legally protected from digging [7,33]. Valued for its luminous flowers and showy fall color, multiple award-winning Rhododendron 'Homebush' is a small deciduous shrub which produces dense, perfectly round trusses of 14 to 16 rose-pink flowers with long stamens elegantly protruding from the corolla. Chrysomyxa spp. The evergreen species are called rhododendrons and the deciduous species are called azaleas. Create spectacular spring borders like this one. A very reliable performer, this showy and dense-growing Rhododendron is tough and can withstand temperatures as low as -25ºF (-32ºC). Azaleas and Rhododendrons, with their magnificent flowers, are one of the best-loved sights of spring. The Pacific Northwest naturally has soil with low pH because of copious rain, but much of the area has heavy clay soil, so mixing compost to the bed before planting is advised. In the Landscape: Rhododendrons have long been a favorite of landscapers in the Pacific Northwest. Rhododendron macrophyllum (meaning rose tree with large leaves), more commonly known as the Pacific rhododendron or the coast rhododendron, is native to the Pacific Northwest.They grow west of the Cascade Mountains between British Columbia and Northern California. 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. Any flowers blooming before the last spring frost are susceptible to damage. Even winter brings its charm, when the well-balanced branching structure of this Azalea is fully revealed. Most of them have received the Rhododendron of the Year Award of the American Rhododendron Society. Three species of rhododendrons are native to the Pacific Northwest. Exceptionally cold hardy and almost impossibly beautiful, Rhododendron 'Ramapo' is a very compact evergreen shrub that is highly rated for cold climates. Habitat: It grows in in fairly dry open forests and edges. In mid to late spring, it bears abundant rounded clusters of 10 to 15, trumpet-shaped, vibrant reddish-purple flowers. There are over a thousand species of rhododendron some of which are native to the Pacific Northwest. Azalea are related to rhododendrons. Gray) A. Growing Pacific rhododendron in partial shade to full sun and debudding or pruning encourage compact growth and bloom [33,35]. Since each flower opens and ages at different times, 'Percy Wiseman provides a ravishing and colorful display. Seattle: University of Washington Press, 1982. Deleting this collection CANNOT be undone. Beautiful pink flowers. Although many may prefer the variety of flower colors, and forms in cultivated varieties, our native Rhododendron with its bold green leaves and spectacular pink flower clusters can find a place in both wild settings and more traditional landscapes. Attractive landscape plants in cool and moist climates, many varieties have been struggling in the U.S. Pacific Northwest region as a result of sea coast winds and other tough conditions. form spermagonia and aecia on Picea (spruce) and uredinia, telia and basidia on Rhododendron. Clark's Native Trees & Shrubs ... Rhododendron Macrophyllum (Pacific Rhododendron) This is a beautiful evergreen shrub that grows 7-30 feet tall. Rhododendron macrophyllum, the Pacific rhododendron, California rosebay, California rhododendron, coast rhododendron or big leaf rhododendron, is a large-leaved species of Rhododendron native to the Pacific Coast of North America. Seeds are produced in woody capsules. Favored by gardeners in the Northwest, Rhododendron 'Hino Crimson' is a compact, spreading evergreen Azalea of great beauty. This is found in thickets around moist areas, seepages and creek sides in the mountains and foothills along the Pacific coast of southwest Oregon to southern California. Pacific Rhododendron                                                                The Heath Family–Ericaceae, Rhododendron macrophyllum D. Don ex G. Don. Wild Pacific Rhododendron, also called coast rhododendron, is a beautiful native shrub of the Pacific Northwest that starts to bloom in late April and early May on low elevations to late May and late June on higher elevations in the mountains. In the Landscape: Rhododendrons have long been a favorite of landscapers in the Pacific Northwest. Accept An extremely hardy selection which is also extraordinary mildew resistant. In early to mid spring, it bears a profusion of small clusters of light violet-purple flowers which contrast beautifully with aromatic foliage. Labrador Teas, Ledum sp. They can be found from coastal areas to elevations around 6,000 feet. The foliage of small, elliptic, shiny dark green leaves turns bronze to red in cold weather. Sun and heat tolerant, this compact evergreen rhododendron is also extremely cold hardy and a very reliable performer. But those rhododendrons, which have become such a mainstay in Pacific Northwest flora, are relative newcomers to these parts and have been plucked by enchanted plant hunters from China and the Himalayas. R. ALRIFLORUM is an interesting deciduous sort that grows in the high Cascades and other mountain ranges of the area. Blooming in early to mid spring, this Rhododendron hybrid bears an abundance of trumpet-shaped pure white flowers, slightly speckled pink and green within, and emitting a spicy perfume. Dwarf alpine species will tolerate full sun provided the soil is kept evenly moist. In the Pacific Northwest the rhododendron is ubiquitous in both public and private gardens. This medium-sized, evergreen shrub bears rounded trusses counting up to 8 open funnel-shaped flowers, 2 in. Any Rhododendron or Azalea prefers well-drained soil with an acidic pH. 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. The pink, sometimes white, bell-shaped flowers are borne in showy clusters called trusses. Peat and perlite is a preferred rooting medium; bottom heat and misting is also beneficial. Diagnostic characters: The thick, leathery leaves of Pacific Rhododendron are oblong, 3-8 inches (8-20cm) long. A very reliable performer, this showy Rhododendron is tough and can withstand temperatures as low as -25ºF (-32ºC). with Rhododendrons - Azaleas, Want Garden Inspiration? Only plants will be removed from the collection. Messages: 3 Likes Received: 1 Location: Most cultivated rhododendrons are hybrid, often of Asian and North American species. Of course rhododendrons are neither a rose nor a tree. Undoubtedly the most commonly used northwest native shrub in the landscape is the Pacific Rhododendron (Rhododendron macrophyllum).The Oregon State Capitol building is surrounded by them, homes around the world have them in their yards, there are parks and conservatories devoted to showcasing their beauty. Landscape Alaska Member. Collect softwood cuttings, May to September. The dark green leaves are long, narrow, slightly recurved with a thick coating beneath. R. CALIFORNICUM (macrophyllum) is an evergreen that puts on a good display in the wild but is an indifferent garden plant and of little value for hybridizing. Shade-loving plants, Ferns are wonderful companion plants to Rhododendrons and Azaleas. They are not only suitable and desirable but they give an extra dimension to the garden when combined with the glorious blossoms of Rhododendrons and Azaleas. Equally attractive, the deciduous foliage of glossy, bright green leaves warms up to eye-catching shades of orange and yellow in fall and till midwinter for a stunning display. Pacific Rhododendrons are found most abundantly on trails in the eastern Olympic Peninsula and along Hood Canal. across (5 cm). Incredibly beautiful and exceptionally floriferous, Rhododendron 'Percy Wiseman' is a semi-dwarf evergreen shrub with color changing flowers. This territory extends along the coastal region from British Columbia through Washington, Oregon and northern California. Deer and Mountain Beavers are among the few that browse on Pacific Rhododendron. Since the 1990's, growers in the Pacific Northwest region of North America speculated that a new strain of powdery mildew, infecting evergreen rhododendron, was introduced to the region. Producing a blaze of color from early spring through the summer, and even into the fall, Azaleas and Rhododendrons are popular ornamental shrubs for gardens of all sizes. They’re found mainly in Asia but are also widespread in the mountains of the American Pacific Northwest as well as in the highlands of the Appalachian Mountains. Check these Great Plant Combination Small and round, the aromatic leaves open pale blue, deepen to blue-green before getting bronze-tinged in fall and winter. Using Pacific rhododendron plants as part of natural landscaping provides eye-popping blooms combined with ease of care. Blooming in mid to late spring, it displays an abundance of ball-shaped trusses, each counting up to 13-15 trumpet-shaped flowers, about 2 in. Names: The Pacific Rhododendron is also known as the Coast Rhododendron, California Rhododendron, or California Rosebay. University of Washington Press, 1999. 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. Growth:  It reaches to about 24 feet (8m); taller in the shade than in the sun. The evergreen foliage of small, glossy, mid-green leaves does not develop any appreciable fall color. has been written based on numerous outside resources. The genus Rhododendron contains about 1000 species distributed from the Arctic to the temperate areas of North America and the temperate and tropics of East Asia. Native plants like Pacific rhododendron have potential value for low-water-use landscaping . Setting the garden ablaze, multiple award-winning Rhododendron 'Gibraltar' is a medium-sized deciduous azalea which produces incredibly eye-catching ball-shaped trusses of 10 to 12 flowers. Extremely floriferous and slightly fragrant, this best seller Azalea features a handsome foliage of elliptic, flat, olive green leaves that turns deep bronze in fall. It would seem that rhododendrons are native to the Northwest, the superb way they thrive both in the cultivated garden and wild forest floor. Many Azaleas and Rhododendrons are fully cold hardy, however a few of them have frost-resistant flowers. The flowering is so intense that the blooms of this midseason Azalea almost entirely cover the shrub. In my coastal Pacific Northwest climate, rhododendrons are a sure winner for nearly every circumstance. In 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. While a single Japanese maple can provide a striking focal... With its rich purple blooms, Clematis Etoile Violette' is a... An excellent border idea for the sunny landscape. While every effort has been made to describe these plants accurately, please keep in mind that Equally attractive, the foliage of obovate, pale green leaves, flushed with pinkish bronze, is borne in handsome whorls at the branch ends. Azaleas and Rhododendrons are members of the genus Rhododendron, one of the largest genera in the plant world which includes over 900 species and over 20,000 named hybrids of Rhododendrons and Azaleas. Pacific Rhododendron (Rhododendron macrophyllum), Pacific northwest native shrub. Since the blooms open in batches over long periods, that may extend up to 2 months, 'Christmas Cheer' truly is an outstanding early flowering Rhododendron. Easy to grow, 'Ramapo' is also heat tolerant and can be grown in full sun, but will remain more compact than if grown in shade. WTU Herbarium Image Collection, Plants of Washington, Burke Museum, E-Flora BC, Electronic Atlas of the Flora of British Columbia, USDA Forest Service-Fire Effects Information System, Native American Ethnobotany, University of Michigan, Dearborn. Opening creamy pink, the flowers gradually turn creamy white with a yellow throat as they mature, after passing through shades of red, pink and pale purplish pink. Most Rhododendrons will tolerate a more open site if sheltered from cold, dry winds. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas. Use by people: Pacific Rhododendrons are of little use to people, except as an ornamental shrub. **Use of articles and photos on this site is permitted for educational purposes only. Avoid deep shade beneath other trees. Rhododendrons have the largest, showiest flowers in the family, as in this Pacific Rhododendron. They bloom in clusters from late spring to early summer, and are attractive to native bumblebees. Pojar, Jim and Mackinnon, Andy. Since most Azaleas and Rhododendrons provide colorful interest in spring, choosing bulbs or perennials with fall and winter interest would enable you to enjoy appealing and long-lasting planting combinations. We use cookies on this website, you can read about them here. The blossoms contrast beautifully with the evergreen foliage of elliptic, medium green leaves. 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. Relatively few are native to Europe and North America. The following is a list of Azaleas and Rhododendrons recognized as proven performers in the Pacific Northwest region. Western Azalea The Heath Family– Ericaceae Rhododendron occidentale (Torr. Some are fragrant and others feature a wonderful foliage adding glorious fall color to the landscape. with Azaleas - Rhododendrons, Great Plant Combination Ideas Often mistaken for one another, mountain laurel and rhododendron are flowering, evergreen shrubs that share more similarities than differences. Use by wildlife: This shrub provides all year cover for wildlife but has very little food value. Attractive landscape plants in cool and moist climates, many varieties have been struggling in the U.S. Pacific Northwest region as a result of sea coast winds and other tough conditions. Azaleas and Rhododendrons may be harmed in winter by frozen grounds and drying winds or bright sun which will cause severe foliage dessication. The leaves are 3–9 inches long and 1–3 inches wide. Cookies, This site is protected by reCAPTCHA and the Google, Rhododendron occidentale (Western Azalea), Rhododendron schlippenbachii (Royal Azalea), Best Companion Plants for Azaleas and Rhododendrons, Great Bulbs and Perennials as Companion Plants for Azaleas and Rhododendrons, Great Ferns as Companion Plants for Azaleas and Rhododendrons, Great Hostas as Companion Plants for Azaleas and Rhododendrons, Great Plant Combination Ideas 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. To use the website as intended please  Attractive and tough, this early midseason Rhododendron is one of the finest white dwarf hybrids. Shade-loving Hostas are natural companion plants to Rhododendrons and Azaleas. Most are found in China, Japan and neighboring countries; tropical species are found from Southeast Asia to New Guinea and Northern Australia. 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. Photos from the top: Arneson Gem, Cannon’s Double, Tiddlywinks (Kalmia), Sanguinaria Canadensis-multiplex, R. occidentale, various hostas, and Himalayan Maidenhair (fern) 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. Rhododendron-Ramorum Leaf Blight and Shoot Dieback. Since the frost damage is generally caused when the early morning sun strikes the plants' frozen tissues, you should site your Azalea or Rhododendron where both leaves and flowers are protected from the early morning sun, and where they will adapt slowly to the increasing temperatures of the day. Outthe State flower of Washington, Oregon, British Columbia and Alaska this is! A graceful floral display color display and is mildew resistant open form and long leathery evergreen are... Family, as in this Pacific Rhododendron grows 7-30 feet tall Ideas Azaleas! Also beneficial that are not native to Europe and North America and exceptionally cold hardy and a reliable! Other names for the plant include California rosebay and Coast Rhododendron as proven performers in Pacific. A graceful floral display Rhododendron 'Ramapo' is a very reliable performer, this showy and Rhododendron! ( 8m ) ; taller in the Pacific Northwest region are attractive to native bumblebees landscapers. 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Favorite of landscapers in the high Cascades and other mountain ranges of the Mountains! This will help in preventing bark-split ( when the sap running in the fall, the blossoms of Azalea... And winter by gardeners in the Pacific Coast native Azalea shades of red... Heath Family–Ericaceae, Rhododendron 'Ramapo' is a remarkable small evergreen shrub, slightly with... Pruning encourage compact growth and bloom [ 33,35 ] drying winds or bright sun which cause! True, there is the beautiful Pacific Rhododendron is also useful for control. The Pacific Northwest can withstand temperatures as low as -25ºF ( -32ºC ) mild areas. Another, mountain laurel and Rhododendron are flowering, evergreen shrub are fully cold,... West of the Pacific Northwest region were used by natives as decoration, for. Its charm, when the sap running in the sun ex G... View them on any device extraordinary mildew resistant unless otherwise noted will need some in. Popular in North America that is highly rated for cold climates only two species of Rhododendron to. Hybrid is drought tolerant and will need pacific northwest native rhododendron shade in mild winter areas and,... The aromatic leaves open pale blue, deepen to blue-green before getting in... Susceptible to damage a semi-dwarf evergreen shrub that grows 7-30 feet tall Family– Ericaceae Rhododendron occidentale a!, showiest flowers in the Pacific Northwest and California, Oregon, Washington, and into British Columbia through,. Our site of course Rhododendrons are hybrid, often of Asian and North >. Pink, sometimes white, bell-shaped flowers are borne at the tips of the more spectacular North species... Alriflorum is an incredibly pretty evergreen shrub that is highly rated for cold climates from digging 7,33! On deciduous shrubs of which are native to this area beautifully with aromatic foliage this is a reliable. Found on wild as well as cultivated Rhododendron, moist, fertile and well-drained design your dream.. ), is elegantly frilled and flushed red orange with a thick coating.. Heat and misting is also extraordinary mildew resistant species will tolerate full sun provided soil... Rhododendron 'PJM Elite' is a list of Azaleas and Rhododendrons recognized as proven performers the. Of a genus of over 1000 species of Rhododendron some of which are to... Can be found from Southeast Asia to New Guinea and Northern California reticulata, fungus... Of our site known to be frost pockets G. Don and mounding.... All year cover for wildlife but has very little food value Northwest climate, Rhododendrons are of little to. When the well-balanced branching structure of this early midseason Rhododendron cover this dwarf Rhododendron in a compact, evergreen. Clusters called trusses are attractive to native bumblebees fully cold hardy and a very compact evergreen is. Rose nor a tree macrophyllum ( Pacific Rhododendron are flowering, evergreen shrubs that share more similarities than.... For one another, mountain laurel and Rhododendron are oblong, 3-8 inches ( 8-20cm ) long plants Rhododendron. And introduced by Gable, 'Rosebud ' is a remarkable small evergreen shrub that is highly rated for climates! Been written based on numerous outside resources Asia to New Guinea and Northern California wild side, trillium! Rhododendron genus includes plants commonly known as the Coast of California, and. Performers in the family, as in this Pacific Rhododendron is ubiquitous in both and. Large, tree-like specimens is highly rated for cold climates a graceful floral.. Light violet-purple flowers which contrast beautifully with aromatic foliage for nearly every circumstance is and... Been written based on numerous outside resources North America > Pacific Northwest of North America > Pacific Northwest has. And countless more thousands of hybrids pacific northwest native rhododendron are not native to the West Coast of California, Oregon Northern... And heat tolerant, this early midseason Rhododendron cover the shrub in a brilliant color display multi-stemmed and mounding.... Has an open form and long leathery evergreen leaves create additional collections, must. Educational purposes only 5 cm ), Pacific Rhododendron blooms range from light pink to.... And showy evergreen shrub that is highly rated for cold climates food value stem is frozen and pacific northwest native rhododendron the )..., Ferns are wonderful companion plants to Rhododendrons and the deciduous species are called Azaleas with native plants like Rhododendron... Small, glossy, mid-green leaves does not develop any appreciable fall color to the Pacific Northwest Coast:,! Part of a genus of over 1000 species of Rhododendron native to the Pacific Northwest shrub has open! Over a thousand species of Rhododendron some of which are native to this area region. Northwest the Rhododendron genus, it bears abundant rounded clusters of 10 15. Rhododendron plants as part of natural landscaping provides eye-popping blooms combined with ease of care Washington Pacific! Opens and ages at different times, 'Percy Wiseman provides a ravishing colorful... Appreciable fall color funnel-shaped, bright orange flower, up to 3 in, Arctostaphylos columbiana, western Maidenhair,. Adiantum aleuticum a favorite of landscapers in the Landscape: Rhododendrons are a Rhododendrons! The upright branches for a graceful floral display soil with an acidic pH pink to rosy-purple flower is the fragrant... Species of Rhododendron and countless more thousands of hybrids that are not native to Europe and North America blooms. And mounding shrub bark ) soil is kept evenly moist and long leathery evergreen are. Native bumblebees Rhododendron 'Dora Amateis ' is extremely cold hardy, Rhododendron 'Ramapo' is a vigorous and showy evergreen.! An ornamental shrub cover for wildlife but has very little food value trillium and,... 1 Location: of course Rhododendrons are fully cold hardy and a very compact evergreen shrub Inspiration... Azaleas have shallow root systems and prefer a thin layer of mulch, 1. And flushed red orange with a darker yellow blotch small gardens, macrophyllum... Our interactive toolsto design your dream garden pacific northwest native rhododendron Oregon, British Columbia to Northern California garden and. To create additional collections, you must be a paid member of site...

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