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Commonly known as Rose bay
Scented Rhododendrons suitable for conservatory or cool greenhouse are marked with an asterisk.
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".
Dwarf shrubTypically only grows to a maximum of one or two feet in height but there will be some exceptions.
Medium shrubTypically grow to around 4-6 feet in height
Partial shadeMost large-leaved species and hybrids require dappled shade.
Additional FeaturesGood to knowSyn. Azalea. Shallow planting essential. Deadhead carefully where practical to promote vegetative growth.Pests & DiseasesVine weevils, scale insects, powdery mildew, bud blast, honey fungusPlace of originEurope, Asia, Australasia, North AmericaYoutube video
Garden Location/ConditionsGreenhouse / conservatoryNot the sort of plants to be grown outside where there are likely to be frosts. These plants need to be grown in a conservatory or cool greenhouse or at least brought inside for the winterPatio / pot plantsSuitable for small gardensWoodland garden
Scented PlantsScented flowers
Soil ConditionsAcid / ericaceous lovingIdeally pH 4.5-6.0Fertile moist well-drained soilHumus-richNeutral to acid soil
- Dead Heading
- Dead Heading - Video Tip ondemand_video
- 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. 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
Buy Varieties of RHODODENDRON
scented white flowers flushed pale pink
bell-shaped primrose-yellow flowers from orange buds. Reddish-purple new growth
white flowering form of ponticum, extremely hardy
a yakushimanum hybrid with a compact habit and rose-pink flowers fading to creamy-white
yak.hybrid with bright orange-red flowers
pale pink flowers in bud opening white faintly spotted with yellow
Semi-dwarf rhododendron. Yak. hybrid with light pink flowers in profusion on a neat shaped plant
bright scarlet, one of the best and most reliable rhododendrons for the smaller garden
creamy-white flowers with dark red and yellow flares
probably the most highly scented rhododendron, large white flowers tinged pink. Our choice as the best rhododendron for the conservatory or cool greenhouse
creamy white speckled with red spots
small growing with dark green leaves and upright trusses of deep pink flowers
Dwarf rhododendron. Choice pink flowers fading to white as they open
large deep strawberry-red trusses of flowers which fade to pink
salmon-pink in bud opening pale yellow
white flowers in large trusses flushed pale mauve
narrow, glossy green leaves and a profusion of pink flowers
pale pink buds opening white with deep red flare
pure white flowers on the inside with a pretty red marking and the edge of the wavy petals is pink
blue-purple flowers with a deep purple blotch
large deep red flowers and dark glossy leaves
rose-red flowers in dense trusses
Semi-dwarf rhododendron. Pale lilac fading to white spotted yellow, yak. Hybrid
red in bud opening yellow with small red flares
pale pink flowers with striking indumentum on the underside of the leaves
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
pink buds opening white, scented
red in bud opening to huge stunning pink flower trusses with red edging fading to pale pink
soft pink in bud opening to pure white, highly scented