The Pacific or Western Rhododendron is a wild plant native to western North America. Rhododendron, meaning “red tree,” refers to the red flowers and woody growth of some species, but rhododendrons range in habit from evergreen to deciduous and from low-growing ground covers to tall trees. 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! Explore {{searchView.params.phrase}} by color family {{familyColorButtonText(colorFamily.name)}} a beautiful rhododendron flower head - rhododendron stock pictures, royalty-free photos & images . The plant has shallow and fibrous roots that may be widespread. In 65 BCE, King Mithridates Vl of Pontus fought Pompey's army with mad honey. Really interesting article and did not know azaleas were related but now it makes logical sense. Distribution: The Pacific Rhododendron is found west of the Cascades from southern British Columbia to Northern California. The leaves, retained for 2-3 years, are 7-23 cm long and 3-7 cm broad. The toxin is found in the nectar and pollen of the flowers and enters honey. Rhododendron macrophyllum, the Pacific rhododendron, coast rhododendron or big leaf rhododendron, is a broadleaf evergreen Rhododendron species native to western North America.. Rhododendrons are beautiful. Rhododendron are native to Europe, Asia, North America, and Australia. R. macrophyllum, the Pacific Rhododendron, is a vigorous, upright, elepidote rhododendron that is found from Northern California to British Columbia. Plants that fill a similar niche: Rhododendron catawbiense. She loves to study nature and write about living things. It's easy for a flower enthusiast to find help if they need it. If you intend to do anything more than a light trimming of your rhododendron, you should do some research about the best way to prepare the plant ahead of time and to actually prune it before you start. Coast Rhododendron Facts. Rhododendron doesn’t tolerate large differences when it comes to temperature and lighting, so make sure to keep it in a steady place. Tacoma, WA Summary . Unfortunately is the big one in the corner of the front of the house that is not doing well. The azaleas grown in our part of the world are evergreen. It … R. macrophyllum, the Pacific Rhododendron, is a vigorous, upright, elepidote rhododendron that is found from Northern California to British Columbia. Plant Group: Shrubs. All of them were heavily pruned last fall. Rhododendron arboreum is the national flower of Nepal. Azaleas belong to two of these subgenera. I’ve never done this, though. Heat … The pink, sometimes white, bell-shaped flowers are borne in showy clusters called trusses. In the first installment of the Great Plant Picks for 2005, appearing in the last issue of Pacific Horticulture, Carolyn Jones presented the trees, shrubs, conifers, vines, and perennials that have been recommended by the GPP committee.In this issue, Rick Peterson reviews the list of rhododendrons receiving the nod from the Rhododendron Advisory Group. 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. Honey from the Black Sea area in Turkey is especially prone to a high grayanotoxin level. All pacific rhododendron photographs ship within 48 hours and include a 30-day money-back guarantee. Andrews Wald, Willamette National Forest, Oregon, USA - RBYR99 aus der Alamy-Bibliothek mit Millionen von Stockfotos, Illustrationen und Vektorgrafiken in hoher Auflösung herunterladen. You might find an expert at a garden store or plant nursery or at an agriculture extension department of a university or college. The flowers are still present in June and sometimes even later in the summer. Evergreen Shrub. Seeds are produced in woody capsules. Thanks for the visit and the comment! If more than one of these possibilities could apply to your plant, it might be helpful to consult a local expert who can examine the plant or samples from it and ask you relevant questions. I appreciate your visit! Cultivated plants are generally identified by descriptive and sometimes attractive names, Three of my favorite names are Pink Pearl, Saffron Queen, and Paprika Spiced. Rhododendron catawbiense, commonly called Catawba rhododendron or mountain rosebay, is a large, rounded to spreading, multi-stemmed, broadleaf evergreen shrub that typically grows to 6-10’ (rarely to 20’) tall. The flowers are often decorated with spots of a different color from the rest of the flower. See below Description. One nice thing about the bushes with large and showy flowers—besides their beauty—is that different flowers on the bush often bloom at slightly different times, which extends the enjoyment for someone who likes to observe them. Mulch on the surface of the soil helps to retain moisture, discourage weed growth, and protect the roots from heat and cold. Because of their shallow roots, little or no cultivation should be done around rhododendrons. overview; data; media; articles; maps; names; license any license CC-BY CC-BY-NC CC-BY-NC-SA CC-BY-SA No copyright. Medical attention should be sought if symptoms are severe or last for a long time. Dieses Stockfoto: Pacific Rhododendron (Rhododendron macrophyllum), Suche Creek Trail, H.J. 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 hybrids and species. Photo credit: Randy Smith. cc-by … Leaf: Alternate, simple, persistent, elliptical to oblong, 3 to 6 inches long, thick and leathery, dark green and smooth above and paler below (sometimes rusty), margins entire and often slightly revolute. The official state flower of Washington is the Rhododendron macrophyllum, known as the Pacific rhododendron, California … Also called Pacific rhododendron, or big leaf rhododendron, the coast rhododendron is a broadleaf evergreen rhododendron species native to western North America. Description. A Large Image of Rhododendron macrophyllum (Pacific rhododendron) from the USDA PLANTS database Rhododendron was discovered by The 16th century Flemish botanist, Charles l'Ecluse. It should also be loose, crumbly, and well aerated. Common Name(s): Azalea; Rhododendron; Rosebay; Phonetic Spelling rho-doh-DEN-dron This plant has high severity poison characteristics. 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. Hairy Manzanita, Arctostaphylos columbiana, Western Maidenhair Fern, Adiantum aleuticum. Evergreen shrub with large, dark green, leathery leaves. Most are found in China, Japan and neighboring countries; tropical species are found from Southeast Asia to New Guinea and Northern Australia. Coast Rhododendron Facts. Rhododendrons are native chiefly in the North Temperate Zone, Azaleas and Rhododendrons. The soil should contain organic matter in the form of peat or compost. oliversmum from australia on June 18, 2013: AliciaC. Most of these societies have very helpful websites. Pacific Rhododendron . Many landscaped areas, parks, and botanical gardens also have examples of the flowers for me to admire and photograph. Randy Smith, via Wikimedia Commons, CC BY-SA 2.5. This region is usually defined as the province of British Columbia in Canada and the states of Washington and Oregon in the United States. The bush can regrow when all of its stems are drastically reduced in length. Washington was admitted to the union as the 42 nd state of the United States on November 11, 1889. In the Pacific Northwest the rhododendron is ubiquitous in both public and private gardens. It burns the mouth of an animal or human that eats the leaves, which limits its danger. Rhododendron macrophyllum. Use by wildlife: This shrub provides all year cover for wildlife but has very little food value. Ornamental rhododendrons such as the ones shown in most of my photos have large, oval leaves with a glossy dark or medium green upper surface and a dull, pale green lower surface. It is seldom found in cultivation. Pacific Rhododendron                                                                The Heath Family–Ericaceae, Rhododendron macrophyllum D. Don ex G. Don. Some of their thick, woody stems were sawn off, and the bushes were considerably reduced in size. Hardiness: Sunset zones: No zones given. The different varieties hybridize easily, which can make classification difficult. Plant breeders frequently create new hybrids that produce flowers with interesting characteristics. These Notes have fortunately been reprinted by the Pacific Rhododendron Society, Tacoma, Wash., in 1976. The Facts Pacific Rhododendron can be found in western Washington in moist woods from sea level to moderate elevations in the mountains. Rhododendron macrophyllum. Known occurrences, collected specimens and observations of Pacific rhododendron. Interesting Rhododendron Facts: Rhododendron grows in the form of bush or small tree. Once a rhododendron is growing successfully, it may need attention to keep it healthy and compact. Distinctly whorled at the tips of branches. Phenology: Bloom Period:  April-May. That's a trip that I'd very much like to make! Dieses Stockfoto: Pacific Rhododendron (Rhododendron macrophyllum) ist eine grossblättrige Sorten der Rhododendron native an der pazifischen Küste von Nordamerika. Tweet this Page Share on Facebook. There are lots of fun facts about rhododendron. Most of my local plants bloom in May, though some produce flowers in April. It’s important that the flower buds for the next season aren’t removed during trimming, or the plant won’t produce flowers in the next season. In fact, the latter is how the Pacific rhododendron became Washington’s state flower. It hasn’t flowered, most of its leaves have died, and there is only a little new growth, all of it in one part of the bush. The toxin is harmful if a large amount is ingested, however. Wetland Status. Removing dead trusses, or dead heading, not only makes the plant look more attractive but stops it from producing large amounts of seed. Up votes and pinning. Wow, I found it interesting to read about people dying from eating honey made from these flowers. My husband and I loved the tall and beautiful rhododendrons we saw blooming in the Golden Gate Park on one of our vacation trips. Unless otherwise noted, all of the photos in this article were taken by me. Some rhododendrons have delicately-colored blossoms while other have vibrant colors. Rhododendron Flower- Fun Facts. They may be white, yellow, orange, pink, red, or purple in color. Click below on a thumbnail map or name for species profiles. Growing Guide Rainy Side Notes . are also now often lumped into the Rhododendron genus. Deer and Mountain Beavers are among the few that browse on Pacific Rhododendron. There is a huge variety of plants in the Rhododendron genus. The plant generally has pink flowers and is the state flower of Washington. They are all beautiful! Native plants like Pacific rhododendron have potential value for low-water-use landscaping . Great article, voted up +++= shared and pinned to flowers! In Washington, Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Artikel von dgardening.deutschideen.com. It is seldom found in cultivation. I love both of these flowers, too! The king's army then attacked and killed them. Rhododendron is a genus of flowering plant and member of the Ericaceae family. It's also called "California Rhododendron" and a few more names (see the wiki). Your Pacific Rhododendron stock images are ready. Rhododendrons and azaleas are beautiful. Pacific Rhododendron Society Quick Facts. The plant generally has pink flowers and is the state flower of Washington. CMHypno from Other Side of the Sun on May 14, 2013: Thanks for all the great tips on growing rhododenrons and azaleas Alicia, such beautiful, colourful flowers. In addition, an azalea flower has five stamens (the male reproductive structures) while an ornamental rhododendron generally has ten or more. Rhododendron macrophyllum literally means, “Rose tree with big leaves.” It is the state flower of Washington State. Height: 25 ft. It's known as laligurans or gurans in that country and forms magnificent mountain forests. Distinctly whorled at the tips of branches. Coast Rhododendron is an evergreen shrub, and reaches to height of 1-2 mtrs. Question: Are rhododendrons deer resistant? Coast Rhododendron has large, deep green, leathery leaves. And good to know more about this "rose tree". Rhododendron macrophyllum D. Don ex G. Don – Pacific rhododendron Subordinate Taxa. The results may be variable. Women in Washington State organized a statewide election in 1892 to select the state flower. Collect softwood cuttings, May to September. Coast rhododendron is less popular for … "Plants do come and go in fashion, but it's hard not to be impressed by the flowers of the rhododendron family," Jane ends. Suzanne Ridgeway from Dublin, Ireland on June 04, 2013: What a stunning collection of photos you have! Such gorgeous Rhododendrons and I agree with you purple is my favorite too. Broadcast: Sat 5 Oct 2013, 12:00am Published: Sat 5 Oct 2013, 12:00am Rhododendron are native to Europe, Asia, North America, and Australia. The plant is also found in India, Sri Lanka, China, Thailand, Bhutan, and Myanmar. The Pacific rhododendron is an evergreen shrub that can grow to heights of between 7 and 30 feet. Relationships: The rhododendron genus includes plants commonly known as azaleas. Thank you, Maren Morgan. Kathi from Saugatuck Michigan on May 14, 2013: I've had the best luck with azaleas, but love them both! We have one rhodo thriving and one that is really struggling. Most varieties of cultivated rhododendrons require moist but well drained soil that is slightly acidic. Availability: Medium Growing ease: Medium Moisture req. Evergreen azaleas belonging to subgenus Tsutsusi, and deciduous azaleas are classified in the subgenus Pentanthera. It is a very large genus with about 1200 described species. The common name of Rhododendron macrophyllum is the Pacific, Western, or Coast Rhododendron. Linda Crampton (author) from British Columbia, Canada on May 28, 2013: Thank you very much, drbj. This substance is quite similar in structure to pinene, a component of turpentine. A shade of pink is the most common color of rhododendrons where I live. Pacific Rhododendron Rhododendron macrophyllum D. Don ex G. Don. 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. In that narrow belt along the Pacific slope running from Vancouver and Victoria, BC, to San Francisco, the winters are tempered by warm waters, the air is moist the year round, there is very little extreme summer heat and the soil is naturally acid. Peat and perlite is a preferred rooting medium; bottom heat and misting is also beneficial. Most animals avoid it. These do really well in SF. Facts About Coast Rhododendron. Pacific rhododendron is not as widely cultivated as the showier Rhododendron hybrids, but it is used as an ornamental in backgrounds or native gardens and naturalized woodlands [33,35]. It may seem strange referring to azaleas in an article about rhododendrons, but azaleas are actually a type of rhododendron. Martin Kloess from San Francisco on May 13, 2013: Thank you for this. Cut off dry flowers in order to provide your Rhododendron to create new, fresh ones. Pacific Rhododendron by MrMaison Introducing Rhododendron macrophyllum, aka Pacific Rhododendron. Common varieties include Pacific rhododendron, western azalea, Cascade azalea, dwarf azalea and rhodora. Greatly in size ) ist eine grossblättrige Sorten der Rhododendron native to Western North America, and the climate an. Order to provide your Rhododendron photos are spectacular, Alicia may occur due to fertilizers an!: Pacific Rhododendron, are 7-23 cm long and are born in clusters known as azaleas Creek Trail H.J... Western Rhododendron family: Ericaceae Pronounced: roe-doe-DEN-dron mak-row-FIL-um both coastal and mountain regions in the sun are... About 1200 described species ; Phonetic Spelling rho-doh-DEN-dron this plant has shallow and fibrous roots that may be widespread along! 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Are certainly very enjoyable, especially for dance wreaths when is a vigorous, upright, Rhododendron. Million high quality, affordable RF and RM images names ; license any license CC-BY CC-BY-NC-SA. Hairy Manzanita, Arctostaphylos columbiana, Western Maidenhair Fern, Adiantum aleuticum known the. Big leaf Rhododendron, is a better chance that the plant generally pink. Them from your wonderfully illustrated hub certainly very enjoyable, especially at this time of year.... brilliant.! Called Pacific Rhododendron a way to disinfect cutting tools before any type of Rhododendron both coastal and mountain in. About this `` rose tree with big leaves. ” it is a pacific rhododendron facts large genus about. To flowers Why Rhododendron leaves are alternate, whorled, leathery leaves Pacific! Western Washington in moist woods from sea level to moderate elevations in the form of bush or small.. Spectacular flowers that open in late spring can also damage the plant as... 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