Species
The species of the genus Rhododendron, which is part of the Ericaceae family. Depending on the source,
there are over 1,000 wild species.
The majority being native to the eastern Himalaya and southeast Tibet, along with the islands of Java, Sumatra, Borneo,
New Guinea, and the Philippines. The rest are broadly spread throughout the northern hemisphere in relatively
small isolated populations, including Japan, northwestern North America, the Appalachian, and the Caucasus Mountains.
Rhododendron has eight traditionally accepted subgenera which include Azaleastrum; Candidastrum; Hymenanthes;
Mumeazalea; Pentanthera; Rhododendron; Therorhodion; Tsutsusi. The 2 subgenera are generally known as 'Azaleas' are:
Pentanthera, which comprises the deciduous azaleas, and Tsutsusi, which includes evergreen azaleas
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Rhododendron Unkn Late flower June
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron aberconwayi
Upright evergreen shrub with distinct saucer-shaped pure white, spotted red. flowers standing boldly..
Rhododendron aberconwayi Westhaven
Upright evergreen shrubs with distinct saucer-shaped flowers standing boldly above the foliage in an..
Rhododendron adenogynum
Very hardy, dense shrub. Dark green leaves, with a thick woolly tawny indumentum below. White, tinge..
Rhododendron adenogynum
Rose or white, tinged rose flowers, sometimes with crimson spots. Leaves are lanceolate and dark gre..
Rhododendron adenogynum
Rose or white, tinged rose flowers, sometimes with crimson spots, Leaves are lanceolate and dark gre..
Rhododendron adenogynum 'Kirsty'
Pale PinkFlower Colour: Pale pinkFlowering Time: April-May Scented: No Ultimate Height : 2.00 met..
Rhododendron adenogynum White form
White, tinged pink.Flower Colour: White, tinged pinkFlowering Time: April-May Scented: No Ultimate..
Rhododendron adenophorum
Flower Colour: Flowering Time: Scented: No Ultimate Height : 6.00 metres / 19 feet 8 inchesParen..
Rhododendron adenopodum
Leaves with grey indumentum, flowers pale pink, funnel shaped.Flower Colour: Pale pinkFlowering Time..
Rhododendron adenopodum A.M. Form
Fine foliage plant, dark green leaves with a pale grey indumentum below. Trusses of 6-10 pale rose f..
Rhododendron adenosum
Pretty upright species Loose trusses of white tinged pink, a few crimson spots, bell shaped flowers...
Rhododendron adenosum Kuluense Group
Pretty upright species . Loose trusses of white tinged pink, a few crimson spots, bell shaped flower..
Rhododendron aganniphum
Compact shrub. Matt green leaves, spongy yellow indumentum below, maturing to a deep reddish brown i..
Rhododendron aganniphum F16472
Hairy shoots and glandular leaves with white, creamy-white or white tinged pink flowers.Flower Colou..
Rhododendron aganniphum flavorufum F14345
Hairy shoots and glandular leaves with white, creamy-white or white tinged pink flowers.Flower Colou..
Rhododendron aganniphum KW5863
White/pink flowers .Flower Colour: White, pinkFlowering Time: May-June Scented: No Ultimate Height..
Rhododendron aganniphum Rusty
WhiteFlower Colour: WhiteFlowering Time: April-May Scented: No Ultimate Height : 0.00 metres / 0 ..
Rhododendron aganniphum var aganniphum Doshongense Gp KW5863
Compact, rounded evergreen shrub, with a brown or whitish indumentum on the underside of the leaves...
Rhododendron aganniphum var. aganniphum
Leaves with brown indumentum, flowers white tinged pink with crimson spotsFlower Colour: White tinge..
Rhododendron aganniphum var. flavorufum
Compact shrub. Matt green leaves, spongy yellow indumentum below, maturing to a deep reddish brown i..
Rhododendron agapetum
Crimson scarletFlower Colour: Crimson scarletFlowering Time: May-early June Scented: No Ultimate H..
Rhododendron agglutinatum
Hairy shoots and glandular leaves with white, creamy-white or white tinged pink flowers.Flower Colou..
Rhododendron albertsenianum
Scarlet or scarlet-crimson flowers without marking. Indumentum on leaves. Probably form of hybrid of..
Rhododendron alutaceum var. alutaceum (
Very rare. Slow growing forming thick gnarled branches, dark green leaves , tawny woolly indumentum ..
Rhododendron alutaceum var. iodes
White flushed rose flowers on a fairly compact shrub,eventually becoming a small tree. Wooly, fawn i..
Rhododendron alutaceum var. russotinctum
White or white flushed rose with crimson spots , Matt green leaves, glabrescent above with brown or ..
Rhododendron alutaceum var. russotinctum F.19567
Dome shaped shrub carrying recurved leaves with a rusty coloured indumentum below. Tight trusses of ..
Rhododendron alutaceum var. russotinctum R158
White or white flushed rose with crimson spots. Matt green leaves, glabrescent above with brown or r..
Rhododendron ambiguum
Neat upright shrub. produces loose trusses of pale yellow flowers. Hardier and later than Rh lutesce..
Rhododendron amesiae
Rarely seen species, often forming a small tree. Dark reddish-purple flowers.Flower Colour: Dark red..
Rhododendron anhweiense
White flushed pink .Flower Colour: White, flushed pinkFlowering Time: April-May Scented: No Ultima..
Rhododendron annae
Creamy white.Flower Colour: Creamy white with purple spottingFlowering Time: April-May Scented:..
Rhododendron annae ssp laxiflorum
Creamy white.Flower Colour: Creamy whiteFlowering Time: April-May Scented: No Ultimate Height : 2..
Rhododendron anthopogan
Compact habit. Aromatic dark green leaves, reddish brown below. Deep pink flowers. .Flower Colour: F..
Rhododendron anthopogan L&S1091
Compact habit. Aromatic dark green leaves, reddish brown below. Deep pink flowers.Flower Colour: Dee..
Rhododendron anthopogan var hypenanthum
Dense twiggy shrub, usually wider than high..Aromatic dark green leaves , fawn below.Tight trusses o..
Rhododendron anthosphaerum
Tall variety with dark green narrow leaves. Young shoots often maroon. Magenta coloured flowers. Not..
Rhododendron anthosphaerum
Tall variety with dark green narrow leaves. Young shoots often maroon. Magenta coloured flowers. Not..
Rhododendron anthosphaerum Cherry 101 yunnan
Tall variety with dark green narrow leaves. Young shoots often maroon. Magenta coloured flowers. Not..
Rhododendron anthosphaerum F21716
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron anthosphaerum F26432
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron anthosphaerum F5848
Tall variety with dark green narrow leaves. Young shoots often maroon. Magenta coloured flowers. Not..
Rhododendron anwheiense
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron aperantum
White fading to shades of rose, orange, red or yellow flowers.Flower Colour: White, fading rose/oran..
Rhododendron aperantum F.26933
Dense mound forming species, dark green leaves, bluish green below. Deep crimson flowers,Flower Colo..
Rhododendron apodectum 24113
Orange/crimson flowers.Flower Colour: Orange crimsonFlowering Time: May-June Scented: No Ultimate ..
Rhododendron araiophyllum
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron arboreum
Upright, tall single or multi-trunk tree.Flower Colour: Deep crimson, pink ,white, two-toneFlowering..
Rhododendron arboreum 3856238501
Tree like shrub in various colours. . Requires acidic soil in a partially shaded site.Flower Colour:..
Rhododendron arboreum China
Tree like shrub in various colours. Requires acidic soil in a partially shaded site.Flower Colour: F..
Rhododendron arboreum form Blood Red
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Red flowers. Best i..
Rhododendron arboreum Kuma 689
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. White flowers. Best..
Rhododendron arboreum KUMA 741
Forms a gnarled tree, dark green leaves, puckered above,tawny indumentum below. White flowers, Best ..
Rhododendron arboreum Late Flowering
Tree like shrub in various colours. Grows to 6ft. Requires acidic soil in a partially shaded site. ..
Rhododendron arboreum Mid-Pink
Forms a gnarled tree, dark green leaves, puckered above,tawny indumentum below. Mid Pink flowers. Be..
Rhododendron arboreum Red
Forms a gnarled shrub, dark green leaves, puckered above, tawny indumentum below. Red flowers likely..
Rhododendron arboreum Rubaiyat
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Red flowers with da..
Rhododendron arboreum Seedlings
Large evergreen shrubs or trees, often growing to 100 ft. in the wild, (hence its name, meaning "tre..
Rhododendron arboreum Sir Charles Lemon
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron arboreum ssp arboreum
Large evergreen shrubs or trees, often growing to 100 ft. in the wild, (hence its name, meaning "tre..
Rhododendron arboreum ssp cinnamomeum
Magnificent tree like species suitable for woodland gardens. Deep pink flowers, rust coloured indume..
Rhododendron arboreum ssp cinnamomeum Seedling
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Red or pink flowers..
Rhododendron arboreum ssp delavayi
Chinese or eastern version of R. arboreum. Magnificent tree like species, suitable for woodland gard..
Rhododendron arboreum ssp delavayi seedlings
Chinese or eastern version of R. arboreum. Magnificent tree like species, suitable for woodland gard..
Rhododendron arboreum ssp nigrescens
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron arboreum ssp nilagericum
Rosy-Crimson. Forms a gnarled shrub, dark green leaves, puckered above. Best in a sheltered site..Fl..
Rhododendron arboreum ssp roseum
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Rose pink flowers. ..
Rhododendron arboreum ssp roseum crispum
Forms a gnarled shrub, dark green leaves, puckered above, tawny indumentum below. Best in a sheltere..
Rhododendron arboreum ssp zeylanicum
Usually forms a gnarled shrub in this country. Dark green leaves, puckered above and covered below w..
Rhododendron arboreum Tony Schilling
Magnificent tree like variety, suitable for woodland gardens. Deep pink flowers. (Wakehurst,award wi..
Rhododendron arboreum TSS
at WakehurstFlower Colour: Flowering Time: Scented: No Ultimate Height : 5.00 metres / 16 feet 4..
Rhododendron arboreum var cinnamomeum album
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. White flowers. Best..
Rhododendron arboreum var. peramoenum
Long campanulated, cherry scarlet to deep rose crimson with nector pouches fls.Flower Colour: Cherry..
Rhododendron arboreum var. roseum
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Pink flowers. Best ..
Rhododendron arboreum var. roseum Album
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. White flowers. Best..
Rhododendron arboreum var. roseum crispum
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. Pink flowers. Best ..
Rhododendron arboreum var.cinnamomeum album var.cinnamueum album
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. White flowers. Best..
Rhododendron arboreum White
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. White flowers. Best..
Rhododendron arboreum Wild Collected seed
Forms a gnarled shrub, dark green leaves, puckered above,tawny indumentum below. White,pink or red f..
Rhododendron arboreum x campanulatum
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron argenteum
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron argipeplum
Unusual species forming a large spreading shrub. Reddish brown mature bark, peeling to reveal a ligh..
Rhododendron argipeplum syn. smithii
Tree like species, reddish plum to deep purple peeling bark. Dark green leaves with a white turning ..
Rhododendron argipeplum syn. smithii intinsum KW8255
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron argyrophyllum ssp argyrophyllum
Fine tall species, dark green narrow leaves, with a silvery indumentum below. White almost transluce..
Rhododendron argyrophyllum ssp argyrophyllum K.W.772711
Fine tall species, dark green narrow leaves, with a silvery indumentum below. White almost transluce..
Rhododendron argyrophyllum ssp argyrophyllum Pink form
Fine tall species, dark green narrow leaves, with a silvery indumentum below. pale pink flowers in r..
Rhododendron argyrophyllum ssp argyrophyllum seedling
Flower Colour: Flowering Time: Scented: No Ultimate Height : 0.00 metres / 0 feet 0 inchesParent..
Rhododendron argyrophyllum ssp argyrophyllum W1210
Fine tall species. Dark green narrow leaves covered beneath with a silvery indumentum. White, almost..
Rhododendron argyrophyllum ssp hypoglaucum
White flowers flushed with rose and deep red spots.Flower Colour: White flushed rose, deep red spots..
Rhododendron argyrophyllum ssp hypoglaucum Brodick Castle form
Attractive hardy tree like species. Dark green narrow leaves with a white indumentum.. Neat little t..
Rhododendron argyrophyllum ssp nankingense
Fine tall species. Dark green narrow leaves covered beneath with a silvery indumentum. Pink, almost ..
Rhododendron argyrophyllum ssp nankingense Chinese Silver AGM
Fine tall species. Dark green narrow leaves covered beneath with a silvery indumentum. Pink, almost ..
Rhododendron argyrophyllum ssp omeiense
Fine tall species. Dark green small narrow leaves covered beneath with a silvery indumentum. White, ..
Rhododendron arizelum
Interesting species forming a large flat topped specimen often as wide as high at maturity. Dark gre..
Rhododendron arizelum Rubicosum Group R59550
Interesting species forming a large flat topped specimen, often as wide as high at maturity,. Dark g..
Rhododendron armitii
Tropical evergreen shrubs with rounded elliptic leaves in pseudowhorls. The flowers are white flushe..
Rhododendron aucklandii
Flower Colour: Flowering Time: Scented: No Ultimate Height : 3.00 metres / 9 feet 10 inchesParen..
Rhododendron augustinii
Elegant upright habit,dark green leaves; striking lavender- blue azalea-like flowers. Best in a litt..