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RHODODENDRON
Scented Rhododendrons suitable for conservatory or cool greenhouse are marked with an asterisk.
Syn. Azalea.
Genus of more than 1000 species of evergreen and deciduous trees and shrubs from Europe, Asia, Australasia and North America, particularly southwestern China, Tibet, Burma, northern India and New Guinea.
Evergreen rhododendrons vary greatly in size and usually have bell-shaped flowers with 10 stamens.
Azaleas have smaller, thinner leaves and are generally medium-sized shrubs with smaller, funnel-shaped flowers with, usually, 5 stamens.
The problem rhododendron, vigorous hybrids of R. ponticum, which is colonizing large areas has been given the name R x superponticum and is subject to EU legislation under the "Invasive Alien Species Regulation".
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Evergreen
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YellowLemon yellow -
Medium shrubTypically grow to around 4-6 feet in height
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Additional Features
Good to knowFlowers larger and flatter than triflorum. Reduced to varietal status within triflorum in 1980.
Pests & DiseasesVine weevils, scale insects, powdery mildew, bud blast, honey fungus
Place of originA distinct form of R. triflorum. Collected by Frank Kingdon Ward in northeastern India in 1928 from an isolated population. -
Soil ConditionsFertile moist well-drained soilHumus-richNeutral to acid soilIdeally pH 4.5 - 5.5
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Toxic - Category C
Harmful if eaten(People & Pets)
- 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
- 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'
- 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
- 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
- Storing seeds over winter
- Embothrium Collecting and Storing Seeds
- Decaisnea Seed Collection & Potting
Buy Varieties of RHODODENDRON
RHODODENDRON HYBRIDS
RHODODENDRON 'Black Magic'
darkest deep red flowers
Gift-wrapping available
RHODODENDRON 'Blue Peter'
violet flowers paling to white at the throat with maroon spots
Gift-wrapping available
RHODODENDRON 'Blue Tit'
Dwarf rhododendron. Clear blue
Gift-wrapping available
RHODODENDRON 'Bo peep'
very early primrose yellow
RHODODENDRON 'Bo peep' (pink form)
very early cerise pink
RHODODENDRON 'Bric a brac'
Dwarf rhododendron. White with distinct black stamens
RHODODENDRON 'Christmas Cheer'
pink in bud fading to white.
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Cilpinense'
dwarf rhododendron. Early pink
Gift-wrapping available
RHODODENDRON cinnabarinum 'Conroy'
seemingly now to overcome the ravages of powdery mildew this hybrid has startling waxy orange flowers with a rose tinge
RHODODENDRON 'Cornish Red'
the tallest growing of all the Cornish woodland rhododendrons. Can reach 60-80 feet in maturity with large trusses of reddish-purple flowers
RHODODENDRON 'Crossbill'
Caerhays hybrid with pale yellow flowers tinged red
Gift-wrapping available
RHODODENDRON 'Cubetti'
Syn. 'Ice Cube'. Scented white with a lemon yellow blotch
Gift-wrapping available
RHODODENDRON 'Cunningham's White'
white flowering form of ponticum, extremely hardy
Gift-wrapping available
Gift-wrapping available
RHODODENDRON 'Doc'
a yakushimanum hybrid with a compact habit and rose-pink flowers fading to creamy-white
Gift-wrapping available
RHODODENDRON 'Dopey'
yak.hybrid with bright orange-red flowers
Useful extras...
