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- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Evergreen - very large oblong to lance-shaped, glossy, dark green leaves to 75cm (30in) long with a smooth silver to buff indumentum beneath
Height - 10m (33ft)
Spread - 10m (33ft)
Tall Shrub - or small tree. Produces trusses of 20-30 widely bell-shaped flowers 5cm (2in) long marked crimson inside
Hardy - average winter - Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F) - borderline
Additional Features - Good to know - - introduced into UK by George Forrest (1873-1932) in 1913.
Pests & Diseases - vine weevils, scale insects, honey fungus, powdery mildew, bud blast.
Place of origin - Tibet, China, Burma
Core Plants - Rhododendron -
Garden Location/Conditions - Woodland garden -
Hardiness - Frost hardy (down to -5) -
Pruning group - Pruning group 8
Suitable for: Wall trained shrubs and less vigorous climbers.
Action: For climbers 'spur prune' by cutting back 3-4 buds of the permanent framework. For wall trained shrubs cut back flowered shoots to within 2-4 buds of permanent framework.
When: Annually after flowers if on previous year's growth, or in late Winter or Spring if on current year's growth.
RHS group 12 & 13
Seasonal Interest - Spring -
Soil Conditions - Fertile moist well-drained soil - - humus-rich
Neutral to acid soil - ideally pH4.5-5.5
Tree Shape - Rounded to broadly spreading -
Wildlife - Rabbit Resistant -
- Dead Heading
- Dead Heading - Video Tip ondemand_video
- Pruning - Video Tip ondemand_video
- Weed Killing
- Pests and Diseases
- Honey Fungus - 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
- Rhododendron seed collecting - Video Tip ondemand_video
- Camellia seed collection - Video Tip ondemand_video