RHODODENDRON decorum
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RHODODENDRON decorum
Commonly known as Great white rhododendron
Strongly fragrant white or pink tinged flowers
£35.00 each
Full Plant Details - Sun/Soil & other attributes
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
Shallow planting in lime-free soil is essential -
Pests & Diseases
Vine weevils, scale insects, powdery mildew, bud blast, honey fungus -
Place of origin
China -
Rhododendrons
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Rhododendron
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EvergreenOblong-ovate, dark green leaves 6-20cm (2½-8in) long, glaucous beneath.
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White
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Woodland garden
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Fully hardy
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Height
6m (20ft) -
Spread
2.5m (8ft)
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Tall ShrubOr small tree with rough, fissured bark. Produces trusses of 7-10 funnel- to bell-shaped 6- or 7-lobed flowers 4.5-11cm (1¾-4½in) long, sometimes faintly tinged pink
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Pruning group 5
Suitable for: Evergreen shrubs that require minimal pruning.
Action: Trim or lightly cut back shoots that spoil symmetry. Deadhead regularly.
When: Annually after flowering.
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Hardy - very cold winter
Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Scented flowersStrongly scented
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Scented Rhododendrons
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Spring Seasonal Interest
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Acid / ericaceous lovingIdeally pH 4.5-6.0
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Fertile moist well-drained soilHumus-rich.
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Partial shade
Dappled shade -
harmful if eaten
People and pets, i.e. cats, dogs, rabbits, rodents, tortoises -
Rabbit Resistant
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Mature Size6m (20ft)
2.5m (8ft)
View Detailed Plant Description
View Planting Tips and Care Advice
Cold weather damage to evergreen plants
Rhododendron - Care Guide
- Pruning
- Pruning - Video Tip ondemand_video
- Dwarf Rhododendrons for smaller spaces - Video Tip ondemand_video
- Dead Heading
- Dead Heading - 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
- Every Colour, Every Shape...
- Further Reading
- Planting out rhodies - Video Tip ondemand_video
Rhododendron - Propagation
- Growing from seed
- Rhododendron Seed Collecting - Video Tip ondemand_video
- Potting on Rhododendron seedlings - Video Tip ondemand_video
- Propagation Program - Video Tip ondemand_video
- Growing from cuttings
- Propagation by taking semi-ripe cuttings - Video Tip ondemand_video
- 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'
Rhododendron - Video Spotlights
- 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
- Rhododendron rhabdotum
- Scented Rhododendrons - Video Tip ondemand_video
- Rhododendron mucronulatum - Video Tip ondemand_video
Shrubs and Trees - Seeds - 1) Collecting Seeds
- 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
Shrubs and Trees - Seeds - 2) Storing Seeds
Shrubs and Trees - Seeds - 3) Planting Seeds
