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- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
Height - 1-2m (3-6½ft)
Spread - 1-2m (3-6½ft)
Medium shrub - Typically grow to around 4-6 feet in height
Half hardy - unheated greenhouse / mild winter - Hardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
Additional Features - Burncoose speciality - See Burncoose Speciality group for more details
Good to know - R. maddenii subsp. crassum
Pests & Diseases - vine weevils, scale insects, powdery mildew, bud blast, honey fungus
Place of origin - eastern Himalayas, China.
Burncoose Specialities - Rhododendrons -
Garden Location/Conditions - Greenhouse / conservatory - Not 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 winter - filtered or dappled light
Hardiness - Frost hardy (down to -5) -
Pruning group - 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.
RHS group 8
Scented Plants - Scented flowers -
Seasonal Interest - Spring -
Soil Conditions - Fertile moist well-drained soil - - humus-rich
Neutral to acid soil - ideally pH 4.5 - 5.5
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
- Further Reading
- Rhododendron genestrianum - Video Tip ondemand_video
- Scented Rhododendrons - Video Tip ondemand_video
- Planting out rhodies - Video Tip ondemand_video
- Five late flowering rhodies - Video Tip ondemand_video
- Rhododendron decorum (pink form) - Video Tip ondemand_video
- Rhododendron ‘Pink Polar Bear’ - 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'
- 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