Forming a neat rounded shrub. Habit: upright. May-June Scented :   No Ultimate Height :  1.00 metres / 3 feet 3 inchesParentage : Dido x Mrs Lindsay SmithHardiness : Group : Compact & Medium Hybrids up to 2m.. Lax trusses of 12-15 flowers, deep blood red, speckled black. These azaleas all derive from species of the subseries Luteum of the Azalea series, which in modern classifications ranks as a subgenus of Rhododendron (subg. Find help & information on Rhododendron occidentale hybrid from the RHS Leaves are veined. Rhododendron The Hybrids / Azalea Hybrids - Deciduous. Rhododendron-Hybriden Rhododendron, Rhododendron Rhododendron hybrids Rhododendron Azalea Geisha Red plant in flower in mid spring. 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. 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.. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Compact & Medium Hybrids up to 2m.. This Handbook is periodically revised. (Not Reg. Our Botanical team are working hard to increase the number of plants with detailed information. 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. Plant resulting from cross-fertilization between genetically different parents of distinct species or hybrids. A superb variety for growing in light woodland. Apr 27, 2013 - Western Azalea native to southern OR and northern CA. Published on the internet. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  1.20 metres / 3 feet 11 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. 14 pink flowers per truss, with dark blotch. 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 … Rhododendron occidentale is the only native azalea that grows naturally west of the Rocky Mountains in the United States. Often early into flower and growth.Group : Large Hybrids over 2m.. Glossy leaves and dense compact habitFlower Colour : Soft, lemon-yellowFlowering Time : May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Diane x wardii var wardiiHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Tough upright shrub . 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. Leaves long narrowFlower Colour : White, scentedFlowering Time : June Scented :   Yes Ultimate Height :  1.80 metres / 5 feet 10 inchesParentage : fortunei x auriculatumHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. White or pale pink flowers, well shaped plant.Flower Colour : white or pale pinkFlowering Time : May-June Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : fortunei x memoirHardiness : Group : Large Hybrids over 2m.. Brilliant clear crimson flower, free-flowering on top of tall, gaunt plant. Leaves held for one yearFlower Colour : Pink/rose blotchFlowering Time : March Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Hybrids over 2m.. RHS Award of Garden Merit 1993. H.Rec. Rhododendron occidentale. Many can be seen in the "Australian Hybrids" section of the Rhododendron Garden at Olinda. Recent introduction. Eventually many of these hybrids were used by the Waterers to improve the Knaphill azaleas. 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 … Rather tender. R. occidentale R. schlippenbachii 'Caroline Gable' and other Gable hybrids. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually. 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.. 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. 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. USDA, ARS, Germplasm Resources Information Network. 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. The Western Azalea, Rhododendron occidentale Frank Mossman, M. D., Vancouver, Washington Britt Smith of Kent, Washington and I have been researching Rhododendron occidentale for eight years. Compact pillar-like upright habit. Forming a neat rounded shrub. Mon – Fri | 9am – 5pm, Join the RHS today and support our charity. Mid-green leaves with purple petioles. 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.. A rather loose, untidy plant with attractive bark. 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. Bronze-green foliage. Flower Colour : Deep crimsonFlowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Hybrids over 2m.. A small shrub with oblong elliptical leaves. Rhododendron occidentale, the Western Azalea, makes a great garden plant. RHS Accepted name. 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. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Forms large spreading shrub. 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.. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Hybrids over 2m.. From Highclere Castle in 1826. I've seen this ringing Darlingtonia bogs in the Siskiyous in full bloom in shimmering 100 degree heat Much like auriculatum, flowers medium pink, deeper in throat, trumpet shaped. Pentanthera ). Many, many hybrids have been made using species and hybrids to create a wide range of colors and flower shapes. Many of their hybrids are still sold today. Tiny pointed leaves.Flower Colour : Yellow shaded pinkFlowering Time : May Scented :   No Ultimate Height :  0.60 metres / 1 feet 11 inchesParentage : ferrugineum x brachyanthumHardiness : -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.. 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.. 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. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Join 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 See more ideas about rhododendron, hybrids, plants. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : amor x yakushimanumHardiness : Group : Compact & Medium Hybrids up to 2m.. 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. Flowers of rich, rosy pinkFlower Colour : Rosy pinkFlowering Time : May Scented :   No Ultimate Height :  8.00 metres / 26 feet 2 inchesParentage : Dr. Stocker x thomsoniiHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Valuable for flowering later. Often early into flower and growth.Group : Dwarf Hybrids up to 1m.. ?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. It is included in an evolving list of plants carefully researched and chosen by RHS experts. 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.. 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. Grows up to 6-15 ft. tall and wide (180-450 cm) 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.. Not to be confused with Abegail.Flower Colour : Large pink, orange tonesFlowering Time : May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Goldsworth Orange x Mrs P.D.WilliamsHardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. 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. 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.. Hall spring and Orchid Show, Free entry to RHS members at selected times, Need criteria! 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