Plants by mail order since 1984, over 4100 plants online today!
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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) -
Is Scented Plant - Scented flowers
Soil Conditions - Fertile moist well-drained soil - humus-rich
Neutral to acid soil - ideally pH 4.5 - 5.5
Cold weather damage to evergreen plants
Rhododendron - Care Guide
- 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
Rhododendron - Propagation
- Growing from seed
- 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'
Shrubs and Trees - Seeds - 1) Collecting Seeds
Shrubs and Trees - Seeds - 2) Storing Seeds
Shrubs and Trees - Seeds - 3) Planting Seeds
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow Ericoid mycorrhizal fungi
This specially adapted Rootgrow™ mycorrhizal fungi will boost the growth of acid-loving plants like rhododendrons, azaleas, heathers and blueberries. It contains ericoid and arbuscular mycorrhizal fungi, which are found in poor acidic soils where ericaceous plants naturally grow.
Fertilisers & Feeds - Empathy
Ericaceous Liquid Seaweed Fertiliser
Specially developed organic concentrated seaweed feed for ericaceous plants that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, Perfect used in conjunction with Rootgrow™ Ericoid.
Slate Plant Labels
These wonderfully tactile natural slate plant labels are hand made in Cornwall and come with a chalk pen. Just stick them in your pot or border. Pack of 6.
Slate Tie-on Plant Labels
Hand made in Cornwall, these delightful natural slate labels are perfect for pots. Comes with chalk pen. Pack of 5