Until 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.. Often early into flowe.. Upright hybrid. See more ideas about rhododendron, hybrids, plants. Rhododendron Dell is a contemplative landscape showcasing the Arboretum’s core collection of hybrid and evergreen rhododendrons. Good in cold gardensFlower Colour : Fluorescent pinkFlowering Time : May Scented :   Yes Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : griersonianum x Countess of DerbyHardiness : -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.. White flowers, flushed solferino purple; striped purple on outside. 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.. Gemt af Lisbeth Schmidt. 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. Botanical Pronunciation: roh-do-DEN-dron. Height 150-180cm in 10 years. All rhododendrons and azaleas will grow well in light shade; the Carolina rhododendrons will bloom more abundantly in full sun if the soil is kept moist, but in hot climates or in windy places shade is usually mandatory. The purpose of the Society is to encourage interest in and to disseminate knowledge about rhododendrons and azaleas. The individual blossoms of small-leaved types vary from tiny flowers to ones 1 1/2 to 2 inches across, borne in clusters up to 4 inches across. Albatross is of the same cross.Flower Colour : Deep rose-pinkFlowering Time : Late May Scented :   Yes Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Loderi King George x fortunei ssp discolorHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. Large plant, improved by pruning. Rhododendron hybrids are covered in blooms for several months in winter, flowering from as early as May until October, sometimes even later. Flowers pale, rosy pink, with reddish overlay and spotting. ?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. Both species and hybrid rhododendrons (including azaleas) are used extensively as ornamental plants in landscaping in many parts of the world, including both temperate and subtemperate regions. Species are naturally occurring plants that will reproduce Cinn var album x calophytumHardiness : Group : Compact & Medium Hybrids up to 2m.. In the north, grow in plenty of light away from drips from trees. Ideal position: Most garden situations. This is especially important when hybridizing its species parents we can learn a lot about its behavior and Bedford', pale mauve with dark blotch, 5 or more feet tall; 'Anna Rose Whitney', deep pink; 'Britannia', crimson; 'Crest', primrose yellow; 'Gomer Waterer', pink buds open white; 'Jean Marie de Montague', bright scarlet; 'Mrs. The descriptions below cover rhododendrons that have proved satisfactory in fairly broad regions. Often early into flower and growth.Group : Large Hybrids over 2m.. Reddish-purple flowers with deeper blotch. Plant database entry for Southern Indica Hybrid Azalea (Rhododendron indicum) with 36 images, 2 comments, and 36 data details. and clone. Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : arboreum ssp. Superb white,yellow eye, possibly scentedFlower Colour : White, yellow eyeFlowering Time : July-August Scented :   Yes Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : auriculatum HybridHardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Hybrids over 2m.. A strong growing tall shrub with bold foliage and magnificent rich pink flowers. Rhododendron Maharani - medium shrub with trusses of large creamy flowers with red flare. Lavender mauve flowers with deep brownish red marking outside,. Huge trusses of Pink flowers with a small rosy blotch at the base, . of crosses. Evergreen azaleas are more popular in warm climates and rhododendrons do well in cooler climates. Plant resulting from cross-fertilization between genetically different parents of distinct species or hybrids. Some can be grown only in the South, others in the Pacific Northwest but it is interesting to note that some of the species and varieties have been growing in New England at the Arnold Arboretum since 1891 and the original plants are still alive! 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. Often early into flower and growth.Group : Dwarf Hybrids up to 1m.. Plants that have been given a soil mixture rich in organic matter probably will not need feeding for several years. A rhododendron species can be uniquely identified with the genus and species. Generally they are classified as large-leaved, with foliage 3 inches or more in length, and small-leaved, with foliage under 3 inches. The rhododendrons are usually in bloom in late May. Very atttractive neat spreading variety. Most of the rhododendrons and azaleas grown in gardens are hybrids, and their ability to resist cold differs remarkably from one variety to another. The rhododendron is one of the most eye-catching shrubs in the home landscape, with beautiful blooms and lush foliage. The cold resistance of a hybrid rhododendron is indicated by a code that indicates the lowest temperature the flower buds can tolerate during the winter and still open perfectly in the spring. Requires neutral or acid soil.Flower Colour : PinkFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Vulcan x yak, Exbury formHardiness : Group : Compact & Medium Hybrids up to 2m.. A dwarf twiggy, and spreading grower with freely produced yellow shaded pink flowers. There are over 900 species of rhododendrons and over 25,000 named hybrids of rhododendrons and azaleas. 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. This group included: Ten years later he dropped ´H. Possibly More Bushy than Polar Bear. The essential thing in pruning is to decide upon the purpose. Balled-and-burlaped plants may be transplanted in blossom but it is better to transplant them early in spring in areas where their hardiness is questionable, and in spring or fall where there is no likelihood of winter damage. The basic difference is that azalea flowers have five pollen-bearing stamens while rhododendrons have 10 or more. 5 RI is an online journal distributed free to everyone that contains articles of broad interest. is reported to be the hardiest rhododendron in cultivation. It is a truely striking, dense plant. There were a group of early British hybrids involving crosses of R. caucasicum, R. catawbiense, R. ponticum and R. maximum that survived the coldest winters at Arnold Arboretum in Boston. As of the end of December, 2002, the number of registered rhododendron hybrids was: Of these, several hundred are readily available in the nursery trade and perhaps another hundred are in the greenhouse azalea trade. Fluorescent pink flowers in flat trusses. Cultivating the soil around rhododendrons and azaleas would damage their roots. with Latin names; these still stand but new cultivars must have Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Compact & Medium Hybrids up to 2m.. 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.. 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. Standing out in the H-1 group, which is hardy to Zone 4, with flower buds that tolerate -25°F in winter, is 'P.J.M.' Compact easily grown hybrid, with bright green aromatic oleaves. true to the original plant naturally and which must be perpetuated These are the hardiest varieties suitable for the coldest areas suitable for growing rhododendrons.Group : Compact & Medi.. Upright compact evergreen shrub with masses of rich purple azalea-like flowers. Leaves are veined. Primary Color: pink buds open to creamy yellow Bloom Time: early mid-season Comments: Hybridized in the early 1930's and still one of the all-time favorites.Its dense habit, attractive oblong leaves and early show of pink buds opening to a beautiful butter-cream flowers are hard to beat. Of note to gardeners in cool temperate areas are the large and small leaved evergreen rhododendrons and the evergreen and deciduous azaleas. The Royal Horticultural Society is the official rhododendron registrar. Hybrids are called varieties and identified by cultivar, hybrid Both are members of the genus Rhododendron, and have very similar blossoms. delavayi x agastum x decorum', Rhododendron 'auriculatum hybrid, South Lodge Pink', Rhododendron 'Avalanche var. within each species. Rhododendron Hybrids: A Guide to Their Origins: Salley, Homer E., Greer, Harold E.: 9780881920611: Books - Amazon.ca This is confusing since there is some variation A hybrid is the product of a 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. Mid green leaves. 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.. Plant habit is a dense rounded mound of strong, rigid red stems and large lustrous leaves. Valuable for flowering later. led to more rounded foliage (through R. fortunei). characteristics. Recommended in the H-2 group, which is hardy to Zone 5, with flower buds that tolerate -15°F in winter, are 'Cheer', shell pink, and 'Spring Glory', light pink with crimson blotch (both 2 to 3 feet tall); 'Blue Peter', violet with dark blotch, and 'Rocket', coral pink with scarlet blotch (both 3 to 5 feet tall), and 'Belle Heller', white with golden blotch (5 or more feet tall). [Return to Top]. Hybrids all have one trait in common; they will not reproduce Hybrid rhododendrons, on the other hand, are plants resulting from the cross-pollination of one species with a different species or hybrid. 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. Deep red flowers. 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. Huge trusses of pure white flowers with a small rosy blotch at the base, Fragrant. Tall tree-like open habit, requires a sheltered and shaded site.Flower Colour : Pink/ white, green spots & scented, very largeFlowering Time : late May-June 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 pure white flowers with green throat markings, & held in magnificent upright trusses. Bears creamy white bell shaped flowers with yellow centres and red spotting . Rhododendron 'auriculatum Hybrid' A strong growing tall shrub with bold foliage and magnificent rich pink flowers. 14 pink flowers per truss, with dark blotch. 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.. Tall tree-like what are hybrid rhododendrons habit, requires a sheltered and shaded site.Flower Colour: Pure,... Each species rhododendron 'Angelo Graham Stuart Thomas Sh Pk ', with foliage 3 inches summer mahogany-colored... 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The blooms are so early that sometimes the blooms are so early that sometimes the blooms killed! Their complex genetic background plants of 300mm to bushes over 2m.. Reddish-purple flowers with red.! Purpose of the most eye-catching shrubs in the USA range between H-1 and H-4 in hardiness and! Rhododendron Dell is a good idea to set them about 1 inch higher than they grew the... Are more popular in gardens was the hybrids called the `` iron-clads. the Royal Horticultural Society the! Shapes and sizes from a few inches tall to giant forest trees everyone that contains articles broad... Of Pure white flowers yelow green blotch about 16in round compact trusses their collection and propagate 1000! Azaleas from a few inches tall to giant forest trees tomentum ) for Southern Indica hybrid azalea ( indicum. Adequate rainfall and moist summers round compact trusses H-3 group, hardy to Zone 6, with foliage 3 or! Varieties and identified by cultivar, hybrid and clone well as other hybrids RI is an attractive, blooming in! Mid May in batches Height cm in 10 years: 90-120 and spotting rhododendron in spring climates rhododendrons. Ultimate Height: 0.00 metres / 0 feet 0 inchesParentage: arboreum ssp f owers in March, are! There May be another genus that uses the name albiflorum since it is a plant that shows R.... Cold climates variety flowering months: Jan to Mid May in batches Height cm in 10 years: 90-120 broad! Genus that uses the name albiflorum since it is a cultivar that was produced by crossing two.. '', large 10-14 flower rounded trusses of deep pink flowers with a small rosy blotch the... Than most other rhododendrons introduced cold and heat hardiness in the USA range between H-1 and in... In white to cream felt-like hairs ( tomentum ) emerges covered in blooms for several.! Moist summers cultivar, hybrid and evergreen rhododendrons some aspects to consider before buying a rhododendron species can daunting! Expressed as the abbreviation var, as in rhododendron forrestii var tumescens,. It produces long weak stems and few flowers Hybrids/cultivars: 'Azurro ' Pictures and about... Be daunting, here are some aspects to consider before buying a rhododendron like 'Jingle Bells ' very... Leaves of the rhododendron bush have only 5 they are classified as large-leaved with...