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RHODODENDRON
Scented Rhododendrons suitable for conservatory or cool greenhouse are marked with an asterisk.
Syn. Azalea.
Genus of more than 1000 species of evergreen and deciduous trees and shrubs from Europe, Asia, Australasia and North America, particularly southwestern China, Tibet, Burma, northern India and New Guinea.
Evergreen rhododendrons vary greatly in size and usually have bell-shaped flowers with 10 stamens.
Azaleas have smaller, thinner leaves and are generally medium-sized shrubs with smaller, funnel-shaped flowers with, usually, 5 stamens.
The problem rhododendron, vigorous hybrids of R. ponticum, which is colonizing large areas has been given the name R x superponticum and is subject to EU legislation under the "Invasive Alien Species Regulation".
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Evergreen
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BicolorVarious shades of red, scarlet, flame, salmon or tinged orange to green with yellow or red lobes -
Height6m (20ft) -
Medium shrubTypically grow to around 4-6 feet in height
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Additional Features
Pests & DiseasesVine weevils, whiteflies, scale insects, caterpillars, aphids, honey fungus, powdery mildew, bud blast.
Place of originSoutheastern Tibet -
Soil ConditionsFertile moist well-drained soilHumus-richNeutral to acid soilIdeally pH4.5 - 5.5
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Toxic - Category C
Harmful if eaten(People & Pets)
- Dead Heading
- Dead Heading - Video Tip ondemand_video
- Pruning
- Pruning - Video Tip ondemand_video
- Weed Killing
- Pests and Diseases
- Honey Fungus - Video Tip ondemand_video
- Maintenance - fallen tree - Video Tip ondemand_video
- General Pictures
- Further Reading
- Planting out rhodies - Video Tip ondemand_video
- Growing from seed
- Rhododendron Seed Collecting - Video Tip ondemand_video
- Potting on Rhododendron seedlings - Video Tip ondemand_video
- Propagation by taking semi-ripe cuttings - Video Tip ondemand_video
- Growing from cuttings
- Propagation by layering - Video Tip ondemand_video
- Propagation by other means
- Making a hybrid - Video Tip ondemand_video
- Making a hairy or scaly cross - Video Tip ondemand_video
- Caerhays bred 'Red Centurian'
- R. augustinii, edgeworthii x leucaspis, 'Anne Teese', loderi 'King George' - Video Tip ondemand_video
- Rhododendron cilpinense - Video Tip ondemand_video
- Rhododendron decorum (pink form) - Video Tip ondemand_video
- Rhododendron genestrianum - Video Tip ondemand_video
- Five late flowering rhodies - Video Tip ondemand_video
- R. loderi 'King George' - Video Tip ondemand_video
- R. niveum - Video Tip ondemand_video
- Rhododendron ‘Pink Polar Bear’ - Video Tip ondemand_video
- Scented Rhododendrons - Video Tip ondemand_video
- When is the right time to collect seeds?
- When are seeds actually ripe and ready for collection?
- Magnolia seed collection - Video Tip ondemand_video
- Cornus capitata seed collection - Video Tip ondemand_video
- Lithocarpus Seed Collection - Video Tip ondemand_video
- Rhododendron seed collecting - Video Tip ondemand_video
- Camellia seed collection - Video Tip ondemand_video
- Storing seeds over winter
- Embothrium Collecting and Storing Seeds
- Decaisnea Seed Collection & Potting
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6m (20ft)
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Buy Varieties of RHODODENDRON
RHODODENDRON HYBRIDS
RHODODENDRON 'Harry Tagg'
fragrant white flowers tinged pink
Gift-wrapping available
RHODODENDRON 'Hoppy'
Semi-dwarf rhododendron. Pale lilac fading to white spotted yellow, yak. Hybrid
RHODODENDRON 'Horizon Monarch'
red in bud opening yellow with small red flares
RHODODENDRON 'Hydon Velvet'
pale pink flowers with striking indumentum on the underside of the leaves
Gift-wrapping available
RHODODENDRON 'J.C. Williams'
good purplish-blue form of R. impeditum. Extremely floriferous and grows to 6 feet
RHODODENDRON 'Koichiro Wada'
the Rhododendron Society members voted this as their most popular choice of rhododendron at the 2016 centenary. It is the best form of R.yakushimanum with pink buds opening apple-blossom pink and then white
Gift-wrapping available
RHODODENDRON 'Lady Alice Fitzwilliam'
pink buds opening white, scented
Gift-wrapping available
RHODODENDRON 'Lem's Monarch'
red in bud opening to huge stunning pink flower trusses with red edging fading to pale pink
Gift-wrapping available
RHODODENDRON loderi 'King George'
soft pink in bud opening to pure white, highly scented
RHODODENDRON loderi 'Pink Diamond'
slightly smaller flowers than loderi 'King George'. A delicate pink with a basal flash of crimson
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Lord Roberts'
deep red marking in black throat
Gift-wrapping available
RHODODENDRON 'Marcel Menard'
deep purple-violet flowers with greenish speckling in the throat
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'May Day'
scarlet
RHODODENDRON 'Midnight Beauty'
very dark burgundy-red flower
RHODODENDRON 'Moerheim'
Dwarf rhododendron. Violet flowers. Probably a hybrid of impeditum
RHODODENDRON 'Moser's Maroon'
maroon-red flowers with darker markings inside
Gift-wrapping available
RHODODENDRON 'Mrs Charles Pearson'
mauve-pink in bud opening pale mauve and eventually turning white
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Mrs T.H. Lowinsky'
hardy hybrid with lilac flowers spotted brown-orange
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Nova Zembla'
deep red flowers with a conspicuous dark blotch
Gift-wrapping available
RHODODENDRON 'Ostara'
deciduous with deep rose-pink flowers
RHODODENDRON 'Patty Bee'
Dwarf rhododendron. A choice dwarf hybrid with lemon-yellow flowers
RHODODENDRON 'Percy Wiseman'
peach-white yak. hybrid
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Pinguin'
light violet flowers with a deep burgundy-red or almost black blotch
Gift-wrapping available
RHODODENDRON 'Pink Pearl'
Light pink
Gift-wrapping available
RHODODENDRON 'Polar Bear'
highly scented and very late flowering hybrid with large trusses of white flowers
RHODODENDRON 'Polaris'
('Hachmann's Polaris') - carmine-red in bud opening to pink marked with green
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Polar Night'
compact growing with trusses of light purple flowers
Gift-wrapping available
RHODODENDRON 'Praecox'
early mauve
RHODODENDRON 'Princess Alice'
white flushed pink, fragrant
Gift-wrapping available
RHODODENDRON 'Princess Anne'
Semi-dwarf rhododendron. Dense habit and flowers which are greenish in bud opening pale yellow
Useful extras...
