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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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EvergreenTiny, elliptic-ovate, scaly, grey-green leaves to 15mm (½in).
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PurpleShades of purple/mauve/lilac/violetMauve -
Height60cm (24in) -
Spread60cm (24in)
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Dwarf shrubTypically only grows to a maximum of one or two feet in height but there will be some exceptions.Produces abundant flowers 2-2.5cm (¾-1in) across, singly or in pairs.
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Hardy - very cold winterHardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Full sunRequires protection from harsh midday sun
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional Features
Pests & DiseasesVine weevils, scale insects, honey fungus, powdery mildew, bud blast.
Place of originWestern China -
Garden Location/ConditionsRockery (inc alpine)
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HardinessFully hardy
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Scented PlantsScented foliage
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Seasonal InterestSpring
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Soil ConditionsFertile moist well-drained soilHumus-richNeutral to acid soilIdeally pH 4.5 - 5.5
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Toxic - Category C
Harmful if eaten(People & Pets) -
WildlifeRabbit Resistant
- Dead Heading
- Dead Heading - Video Tip ondemand_video
- Pruning
- Pruning - Video Tip ondemand_video
- Dwarf Rhododendrons for smaller spaces - Video Tip ondemand_video
- Weed Killing
- Pests and Diseases
- Drought issues - Video Tip ondemand_video
- 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
- R. 'Ostara' - 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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60cm (24in)
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60cm (24in) |
Buy Varieties of RHODODENDRON
RHODODENDRON SPECIES
RHODODENDRON rubiginosum
rosy-lilac funnel-shaped flowers with brown spots
Gift-wrapping available
RHODODENDRON schlippenbachii
pale rose-pink flowers in profusion
RHODODENDRON serpyllifolium
the smallest leafed rhododendron which is really a mini azalea.Tiny rose-pink flowers
Gift-wrapping available
RHODODENDRON sinogrande
the largest leafed rhododendron of all with huge trusses of yellow fading to creamy-white flower with a crimson blush
RHODODENDRON valentinianum
dwarf rhododendron. Compact growing species with buttercup yellow bell-shaped flowers
RHODODENDRON viridescens
a small shrub with attractive yellowish-green flowers in summer
RHODODENDRON HYBRIDS
RHODODENDRON 'Agayon'
large, wavy-edged white flowers, flushed pink.
RHODODENDRON 'Aladdin'
large pale salmon-pink flowers with darker throat. Late flowering.
RHODODENDRON 'Alison Johnstone'
pale yellow flushed orange or pink
RHODODENDRON 'Angelo'
huge trusses of trumpet-shaped pale pink flowers, highly scented
RHODODENDRON 'Anna Rose Whitney'
very large bright deep pink
RHODODENDRON 'Apricot Nectar'
apricot flowers with ruffled edges.
RHODODENDRON 'Azurro'
purple flowers each with a dark red blotch
Gift-wrapping available
RHODODENDRON 'Bernstein'
pale pinkish-apricot with a red blotch.
RHODODENDRON 'Black Magic'
rich crimson-red flowers in large trusses
Useful extras...
