Possibly More Bushy than Polar Bear. Pink, cream and white flowers. Well formed trusses of scented fuchine pink, almost white cente. Long narrow dark green leaves. This is a parent of the Rh, Naomi, as well as other hybrids. Extremely valuable as it is scented and flowers very late in the season.Flower Colour : Rich PinkFlowering Time : August Scented :   Yes Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : auriculatum xHardiness : Group : Large Hybrids over 2m.. Soft Pink Sweetly Scented. Best in a woodland site.Flower Colour : Blood red speckled blackFlowering Time : early April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : thomsonii ssp thomsonii x unknown hybridHardiness : Group : Large Hybrids over 2m.. Best if sheltered from cold winds.Flower Colour : Amber flushed pinkFlowering Time : April-May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : yunnanense x concatenansHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Compact & Medium Hybrids up to 2m.. See more ideas about rhododendron, hybrids, plants. This large, spreading and deciduous shrub is native to the western USA (California to S Washington) and the parent of many cultivars and hybrids, including many of the famous Knap Hill Azaleas. Winter freeze kills flower buds.Flower Colour : White, purple striped.Flowering Time : April-May Scented :   Yes Ultimate Height :  1.50 metres / 4 feet 11 inchesParentage : ciliicalyx x formosumHardiness : -12°C (10°F) Hardy outdoors in milder parts of UK (such as Cornwall, Argyll), southern Ireland.Group : Compact & Medium Hybrids up to 2m.. Often early into flower and growth.Group : Large Hybrids over 2m.. Produces rose-bengal flowers with darker red blotches in trusses of 13-14.Flower Colour : Rose-bengal, blotched dark redFlowering Time : late May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : parentage unknownHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Valuable for flowering later. Akbar is of the same cross.Flower Colour : White, scentedFlowering Time : late May Scented :   Yes Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Loderi x fortunei ssp discolorHardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection... A tall, upright shrub. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Compact & Medium Hybrids up to 2m.. Leaves held for one yearFlower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Hybrids over 2m.. Very compact, low-growing evergreen with tight trusses of white flowers. Missouri Botanical Garden. One of the first man-made hybrids. These plants will have a lot more details displayed including an image. 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. ?Calfort.Flower Colour : WhiteFlowering Time : March Scented :   Yes Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : calophytum x praevernumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Powered By OpenCart Rhododendron.com © 2020, Rhododendron 'aberconwayi x williamsianum', Rhododendron 'Albatross var. Dark green leaves.large trusses of deep pink flowers, paler within. The Royal Horticultural Society is the UK’s leading gardening charity. Pink buds opening to white flushed pink flowers with maroon and gold flecksFlower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : degronianum ssp. Long narrow dark green leaves. Lax habitFlower Colour : Crimson-scarletFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Griffithianum hybrid x Maxwell T MastersHardiness : Group : Large Hybrids over 2m.. Upright shrub. Vigorous plant of open habit with good foliage (H.Waterer, before 1876)Flower Colour : Pale lilacFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : catawbiense x ?Hardiness : Group : Large Hybrids over 2m.. Requires neutral or acid soil.Flower Colour : Creamy-white, yellow centres,red spottingFlowering Time : early May Scented :   No Ultimate Height :  1.50 metres / 4 feet 11 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Rare species, often growing into a small tree. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : large Hybrids over 2m.. Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Grey green leaves , fawn coloured below. Our Botanical team are working hard to increase the number of plants with detailed information. Mid green leaves. times, Need more criteria? The Pacific or Westen Azalea, Rhododendron occidentale, is a wild azalea native mainly to southern Oregon & northwestern California, west of the Cascades & the Sierras. In 1870 Anthony Waterer (1822-1896) of Knap Hill Nursery began hybridizing using the species and developed hybrids of the deciduous rhododendrons that included those hybrids from Belgium and species from eastern North America, China, Asia Minor along with R. occidentale … Often early into flower and growth.Group : Compact & Medium Hybrids up to 2m.. Soft SSalmon Pink with ruddy brown flecking towards the baseSoft almon Pink with ruddy brown flecking towards the baseFlower Colour : Pale pinkFlowering Time : June Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : diaprepes x griersonianumHardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. It is a natural hybrid ? Leaves are veined. Search by plant name, key attributes or both to find plant details and a list of Often early into flower and growth.Group : Compact & Medium Hybrids up to 2m.. Seedling grown from Avalanche which has huge trusses of white or pink flowers with a small rosy blotch at the base, . ‘Irene Koster’ received the Royal Horticultural Society's … USDA, ARS, Germplasm Resources Information Network. Click for Elepidote and Lepidote Rhododendron plant descriptions Click for Deciduous and Evergreen Azalea plant descriptions: Elepidote Rhododendrons. Pale lilac, fading white flowers yelow green blotch about 16in round compact trusses. Slightly fragrant, they blanket this midseason Knaphill hybrid in an exc… 14 pink flowers per truss, with dark blotch. All seeds are intraspecific crosses of R. occidentale, the Western Azalea. Some of the more highly regarded Occidental hybrids include: ‘Delicatissimum’ - (Koster) pale yellowish white, flushed with pink, yellow blotch, fragrant. Barely hardy at Exbury. Good for cold gardens.Flower Colour : Deep pinkFlowering Time : late May-June Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : griffithianum hybridHardiness : -23°C (-10°F) Hardy anywhere in the UK and moderate parts of Europe such as Holland, southern Sweden, coastal Denmark, favourable parts of Germany etc.Group : Large Hybrids over 2m.. Huge satiny white/ pink flowers with chocolate blotch, in early spring. Rhododendron occidentale x 'Irene Koster' This is a deciduous shrub with massive displays of sweetly scented funnel-shaped blossoms in late spring. Azalea, these can be deciduous, evergreen or semi deciduous. Often early into flowe.. Upright hybrid. 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. Eventually many of these hybrids were used by the Waterers to improve the Knaphill azaleas. Flowers pale, rosy pink, with reddish overlay and spotting. R-occidentale distribution map. Good sized trusses of blush pink flowers, spotted crimson,Flower Colour : Blush pinkFlowering Time : March-April Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : arboreum Pink form x sutchuenenseHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Small bell shaped crimson pink flowers, slightly spotted later, dense dwarf, purplish in winter and very hardy.Flower Colour : Crimson pinkFlowering Time : June Scented :   No Ultimate Height :  0.50 metres / 1 feet 7 inchesParentage : punctatum x ferrugineumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Dwarf Hybrids up to 1m.. Small pure compact white flowers on a dark green foliageFlower Colour : WhiteFlowering Time : May-June Scented :   No Ultimate Height :  0.90 metres / 2 feet 11 inchesParentage : trichostomum x tomentosumHardiness : -23°C (-10°F) Hardy anywhere in the UK and moderate parts of Europe such as Holland, southern Sweden, coastal Denmark, favourable parts of Germany etc.Group : Dwarf Hybrids up to 1m.. Sweet scented white flowers on an upright plant . Slightly twisted light green leaves. The dates given are those of the editions current in 1975. Flower Colour : Flowering Time :  Scented :   Yes Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : veitchianum Cubittii GroupHardiness : -10°C to -8°C (15°F to 20°F) Greenhouse culture, except the mildest western areas of the UK.Group : Compact & Medium Hybrids up to 2m.. Tall tree-like open habit, requires a sheltered and shaded site.Flower Colour : Pure white, scented, very large. Source - Brian Wright, CrowboroughFlower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : aberconwayi x williamsianumHardiness : Group : Compact & Medium Hybrids up to 2m.. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Rather tender. 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. Henry Street, Two Little Girls, Abigail and Andra). Compact rounded shrub, with very dark green crinkly leaves. Rhododendron Hybrids, Large Flowered, Evergreen); srednje hitro rastoči, srednje veliki do veliki zimzeleni grmi z velikimi gladkimi, temno zelenimi listi, cvetovi v gostih socvetjih, barvni spekter v belih, roza, lila in vijoličnih odtenkih, novejši tudi rumeni in marelični; cvetijo večinoma aprila in maja; klasični rododendroni. A good plant to complement the 'Blues' and dwarf yellows.Flower Colour : Rich purpleFlowering Time : April-May Scented :   No Ultimate Height :  1.00 metres / 3 feet 3 inchesParentage : russatum x Blue DiamondHardiness : Group : Compact & Medium Hybrids up to 2m.. Rose opal to jasper red flowers in trusses of 15. Forming a neat rounded shrub. Very pretty bell shaped flowers, yellow flushed rose, in loose trusses.Flower Colour : Yellow, flushed roseFlowering Time : May-June Scented :   No Ultimate Height :  1.50 metres / 4 feet 11 inchesParentage : campylocarpum x griersonianumHardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection... Evergreen shrub with striking flowers, bright red edge and white centre.Flower Colour : Red and white, strikingFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Blinklicht x (Mars x Koichiro Wada)Hardiness : Group : Compact & Medium Hybrids up to 2m.. Racemes of vibrant pink flowers, each flower is star shaped, phlox-pink with deeper margins. Excellent for ordinary use in appropriate conditions. Very atttractive neat spreading variety. Tall tree-like open habit, requires a sheltered and shaded site.Flower Colour : Blush pink-whiteFlowering Time : late May Scented :   Yes Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : fortunei ssp discolor x griffithianumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Ex Colin Grainger who says rich scent. Loose trusses of pale to deep rose flowers. The leaves are deciduous, 3–9 cm long and 1–3 cm broad.The flowers are 3.5–5 cm diameter, with five lobes on the corolla; color varies from white to pink, often with a yellow blotch.. It is a difficult garden plant in the South Eastern United States, and seems to object to the heat and humidity that often accompany the summers there. Dark green leathery leaves, silvery fawn below. Pentanthera ). Published on the internet. Cinn var album x calophytumHardiness : Group : Compact & Medium Hybrids up to 2m.. Join the RHS today and support our charitable work, Keep track of your plants with reminders & care tips – all to help you grow successfully, For the latest on RHS Shows in 2020 and 2021, read more, RHS members get free access to RHS Gardens, Free entry to RHS members at selected times », Reduced prices on RHS Garden courses and workshops, General enquiries Red flowers, flowers.Flower Colour : RedFlowering Time : January-March Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : arboreum x grande HybridHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. White flowersFlower Colour : WhiteFlowering Time : Jan-May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : -12°C (10°F) Hardy outdoors in milder parts of UK (such as Cornwall, Argyll), southern Ireland.Group : Large Hybrids over 2m.. Lax trusses of 12 mimosa yellow flowers, campanulate.Flower Colour : Mimosa yellowFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Crest x Loderi JulieHardiness : Group : Large Hybrids over 2m.. Fine old hybrid,tree like in habit. Azaleas are elepidote. Deep red flowers. Olive green leaves. Forming a neat rounded shrub. the RHS today and get 12 months for the price of 9, Family RHS Award of Garden Merit 1993. Compact evergreen shrub with loose trusses of 10-12 flowers, frilled, funnel-shaped, orange with red edge and yellow-orange spots.Flower Colour : orange with red edge and yellow-orange spotsFlowering Time : May-June Needs some shelter.Flower Colour : Pale to deep roseFlowering Time : March-May Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : arboreum ssp delavayi x decorumHardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Compact & Medium Hybrids up to 2m.. A low growing compact shrub with pale foliage. Flower Colour : Flowering Time : April Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Hybrids over 2m.. Low growing spreading variety. Rhododendron-Hybriden Rhododendron, Rhododendron Rhododendron hybrids Rhododendron Azalea Geisha Red plant in flower in mid spring. Conical trusses of deep pink flowers fading to pale rose. Try an advanced search, RHS Registered Charity no. An unnamed hybrid raised at RHS Gardens, Wisley, UK, by Francis Hanger when Curator there.Flower Colour : WhiteFlowering Time :  Scented :   No Ultimate Height :  0.50 metres / 1 feet 7 inchesParentage : aureum x degronianumHardiness : Group : Dwarf Hybrids up to 1m.. Forms a wide crowned small tree .Bright green leaves, upto 30cm long,covered with silky hairs when young, giving the whole plant a silvery appearance. I've seen this ringing Darlingtonia bogs in the Siskiyous in full bloom in shimmering 100 degree heat Flower Colour : Flowering Time :  Scented :   Yes Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : fortunei ssp discolor x griffithianumHardiness : Group : Large Hybrids over 2m.. Evergreen tall shrub with enormous scented flowers, blush pink fading to nearly pure white with pale green spots within, held in magnificent upright trusses. Highly recommended.Flower Colour : White, large, scentedFlowering Time : June-July Scented :   Yes Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Poler Bear x ?Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. A tall and stalwart shrub of good quality, carrying trusses of 12 florets in deep rose-pink with some crimson streaks in the throat, sweetly scented. wide (7 cm), is elegantly frilled and flushed red orange with a gold tinge. Highly scented white flowers, heavily flushed pink on the outside. Apr 27, 2013 - Western Azalea native to southern OR and northern CA. Rhododendron is a genus of 1,024 species of woody plants in the heath family (Ericaceae), either evergreen or deciduous. AGM plants have been through a rigorous trial and assessment programme. Ideal position: most garden situations that are light and breezy. Much like auriculatum, flowers medium pink, deeper in throat, trumpet shaped. occidentale has been used in the development of many beautiful scented deciduous azalea hybrids, but can be prone to mildew towards the end of the summer, so it's best planted in a light and breezy position. Best with winter protection. Blue green leaves, paler below, Loose trusses of amber coloured, flushed pink flowers, Highly recommended. Often early into flower and growth.Group : Large Hybrids over 2m.. Huge trusses of Pink flowers with a small rosy blotch at the base, . Free-flowering, but often frosted. Rustica Hybrids are a group of double-flowered azaleas produced by crossing double-flowered forms of Ghent azaleas with R. japonicum. Long dark green leaves, sweetly scented white flowers with a green throat. A few appear in the above list - indicated by an asterisk * after the name. Plant resulting from cross-fertilization between genetically different parents of distinct species or hybrids. Flowers similar to "Britannia", large 10-14 flower rounded trusses of crimson-scarlet. Huge trusses of pure white flowers with a small rosy blotch at the base, Fragrant. Difficult to grow outside the Pacific Northwest and California, Rhododendron occidentale is a choice native plant for our region. Vagrant populations occur further south along the front of the Sierra Mountains & as far north as southern Washington. Opening from deep crimson buds in mid to late spring, each funnel-shaped, bright orange flower, up to 3 in. Rhododendron occidentale (RHOOC) Rhododendron oldhamii (RHOOL) Rhododendron oomurasaki (RHOOO) ... Rhododendron Repens hybrids (RHORY) Rhododendron reticulatum (RHORE) Rhododendron rex (RHORX) Rhododendron rhabdotum (RHORH) Rhododendron rigidum (RHORI) Rhododendron … (Not Reg. Suitable for light woodland site or milder climate and in some shade. If you select any attributes with or without a plant name, you will see a much narrower selection of results taken only from the old RHS Plant Selector database. These generally have large leaves and flowers. Accessed: 2020 May 15. Heat tolerant.Flower Colour : Medium-pink, deeper in throatFlowering Time : June Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : griersonianum x auriculatumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Forms large spreading shrub. Fluorescent pink flowers in flat trusses. Ericaceae, Name Status Raised by J. Gowen, Head gardener to the Earl of Carnarvon at Highclere Castle, Newbury, Berkshire, UKFlower Colour : Deep redFlowering Time : May Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : (catawbiense x ponticum) x arboreumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Compact & Medium Hybrids up to 2m.. Yellow flowersFlower Colour : YellowFlowering Time : April-May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : ambiguum x cinnabarinumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. They are: This plant will provide nectar and pollen for bees and the many other types of pollinating insects. Bronze-green foliage. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : ponticum x griffithianumHardiness : Group : Large Hybrids over 2m.. Soft, lemon-yellow flowers in full truss. Similar to Blue Tit in appearanceFlower Colour : Dark lavender blue, star shapedFlowering Time : April-May Scented :   No Ultimate Height :  0.90 metres / 2 feet 11 inchesParentage : augustinii x fastigiatumHardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. yakushimanumHardiness : Group : Large Hybrids over 2m.. Evergreen tall shrub with enormous scented flowers, blush pink-white with pale green spots within, held in magnificent upright trusses. Rhododendron occidentale is a shrub growing to 5 m tall. A strong grower with lovely fragrance. Recent introduction. This Handbook is periodically revised. Olympia Chapter (Olympia, Washington Area) USDA Zone 7b, 8a. Flower Colour : Salmon pinkFlowering Time : June Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : griersonianum x fortuneiHardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Superb deep Yellow flowers . Sun tolerant and heat resistant.Flower Colour : Lavender mauveFlowering Time : late May-June Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : ponticum hybridHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. A dome shaped plant with ovat, medium-sized leaves. Flowers apricot salmon, shaded pink, with orange eye at centre. Good for cold gardens. These are found mainly in Asia, although it is also widespread throughout the highlands of the Appalachian Mountains of North America. 20-122 h.p. Rhododendron occidentale in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Description. A rather loose, untidy plant with attractive bark. Many can be seen in the "Australian Hybrids" section of the Rhododendron Garden at Olinda. Best in a tub, so it can be protected under glass in the winter.Flower Colour : White, scentedFlowering Time : March-April Scented :   Yes Ultimate Height :  1.50 metres / 4 feet 11 inchesParentage : Lady Alice Fitzwilliiam x edgeworthiiHardiness : -12 to -15°C (10°F to 5°F) Hardy in a sheltered site in most UK, Damaged in severest winters.Group : Compact .. A medium sized compact plant. Not to be confused with Abigail .Flower Colour : PinkFlowering Time : April Scented :   No Ultimate Height :  1.50 metres / 4 feet 11 inchesParentage : Loder's White x calophytum pink formHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Compact & Medium Hybrids up to 2m.. Un-named hybrid. ‘Irene Koster’along with several other named selectons were introduced by Koster & Sons of Holland around 1895, these plants are thought to be hybrids of R. occidentale and Mollis azalea hybrids (called Occidentale Hybrids). Rhododendron occidentale. Pale pinkFlower Colour : Pale pinkFlowering Time : April Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : arboreum x irroratumHardiness : Group : Large Hybrids over 2m.. Evergreen shrub with trusses of lilac flowers mid-season, whitish-lilac inside with yellow/brownish markingsFlower Colour : Lilac, paler inside,yellow markingsFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : fortunei Mrs Charles Butler x unknownHardiness : Group : Large Hybrids over 2m.. Colour similar to Purple Splendour, deep purple with conspicuous blotch of dark red.Flower Colour : Deep purpleFlowering Time : May Scented :   No Ultimate Height :  1.20 metres / 3 feet 11 inchesParentage : Danamar x Purple SplendourHardiness : -23°C (-10°F) Hardy anywhere in the UK and moderate parts of Europe such as Holland, southern Sweden, coastal Denmark, favourable parts of Germany etc.Group : Compact & Medium Hybrids up to 2m.. Bold foliage on vigorous plant. Accessed: 2020 May 15. Relationships: Azaleas are divided into two subgenera (deciduous and evergreen) in the very large genus of rhododendron (see Pacific Rhododendron). The western azalea (Rhododendron occidentale) is one of only two species of rhododendron native to the West Coast of North America. White flowers.. Best in a sheltered site.Flower Colour : WhiteFlowering Time : June-August Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : arboreum ssp delavayi x agastum x decorumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Compact, rounded bush with pale greenish-yellow flowers with a red basal blotch.Flower Colour : Pale yellow, greenish, basal blotch redFlowering Time : May Scented :   No Ultimate Height :  1.00 metres / 3 feet 3 inchesParentage : wardii x yakushimanumHardiness : Group : Compact & Medium Hybrids up to 2m.. HobbieFlower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Compact & Medium Hybrids up to 2m.. Plant habit is a dense rounded mound of strong, rigid red stems and large lustrous leaves. Ericaceae ), either evergreen or semi deciduous above list - indicated by an asterisk * the. Tim B 's board `` Rhododendron hybrids Rhododendron Azalea Geisha red plant in flower in mid spring  group Â... Elepidote and Lepidote Rhododendron plant descriptions: Elepidote Rhododendrons plants will have lot. Massive displays of sweetly scented funnel-shaped blossoms in late spring, each funnel-shaped bright... 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