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RHODODENDRON rubiginosum
RHODODENDRON SPECIES
Rosy-lilac funnel-shaped flowers with brown spots
Further Reading....
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EvergreenLance-shaped or oblong to elliptic-lance-shaped, dark green leaves 5-12cm (2-4¾in) long, red-brown and scaly beneath
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PurpleShades of purple/mauve/lilac/violetRose-lilac
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Height10m (33ft)
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Spread6m (20ft)
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Tall ShrubProduces trusses of 4-8 funnel to bell-shaped flowers to 4cm (1½in) long, brown spotted inside
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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)
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Full sunThrives in full sun
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Partial shade
RHODODENDRON rubiginosum
- Details
- Description
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesGood to knowShallow planting in lime-free soil is essentialPests & DiseasesVine weevils, whiteflies, scale insects, caterpillars, aphids, honey fungus, powdery mildew, bud blast.Place of originSoutheastern Tibet, southwestern China, northern Burma
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HardinessFully hardy
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Leaf shapeElliptic
(see photos above) Lanceolate(see photos above) Oblong(see photos above) -
Seasonal InterestSpring
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Soil ConditionsAcid / ericaceous lovingIdeally pH 4.5-6.0Fertile moist well-drained soilHumus-rich
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Toxic - Category CHarmful if eatenPeople and pets, i.e. cats, dogs, rabbits, rodents, tortoises
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Cold weather damage to evergreen plants
Rhododendron - Care Guide
- 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
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
- Scented Rhododendrons - 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
- Storing seeds over winter
- Embothrium Collecting and Storing Seeds
- Decaisnea Seed Collection & Potting
Shrubs and Trees - Seeds - 3) Planting Seeds
10m (33ft)
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6m (20ft) |
Useful extras...
Fertilisers & Feeds - Levington
Sulphate of Iron
Boosts soil acidity.
Feeds ericaceous plants and helps prevent moss.
Corrects leaf yellowing caused by iron deficiency.
Easy to use, low dust granules
Only £11.00
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
Afterplant - Grow Your Own
AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
Only £8.00
Fertilisers & Feeds - Empathy
Afterplant - Tomatoes
AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
Only £8.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
3 options from £3.00
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.
Only £7.50