Large Species

Although some of these are very tough and easy, the majority require a certain amount of shelter from wind and, in drier and warmer climates, a fair amount of shade. They often take some years to start flowering and may not flower every year. Many species make up for this with magnificent foliage.

Various; some are hybrids.Flower Colour : Various; some are hybrids.Flowering Time : April-May Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rex ssp fictolacteum Seedling

One of the best larger leaved species for colder areas. Tree like habit with very dark green leaves with a thick buff coloured indumentum below. Well formed trusses of blush pink flowers. This high-altitude form is compact ,with smaller leaves.Flower Colour : Blush pinkFlowering Time : April-May Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron rex ssp fictolacteum var miniforme F2718

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rex ssp gratum

Fine species , suitable for sheltered gardens. Tree like habit, dark shiny leaves covered below with a thick pale buff indumentum. Fine pink flowers.Flower Colour : PinkFlowering Time : April-May Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron rex ssp rex

Fine species , suitable for sheltered gardens. Tree like habit, dark shiny leaves covered below with a thick pale buff indumentum. Fine pink flowers.Flower Colour : PinkFlowering Time : April-May Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rex ssp rex seedling

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rhaibocarpum

Attractve upright shrub,. Pale bluish green leaves , White flowers lightly spotted with red. April-May.Flower Colour : White spotted redFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron rigidum

White spotted flowers. Leathery, usually glaucous leaves and a rigid relatively compact habit.Flower Colour : White spottedFlowering Time : April-May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron rigidum syn. caerulum F26978

Early-flowering tall evergreen shrub with trusses of campanulate flowers, lilac-purple to reddish purple. Grows wild in forests of Western China.Flower Colour : Purple to lilacFlowering Time : February-April Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron ririei

Early-flowering tall evergreen shrub with trusses of campanulate flowers, lilac-purple to reddish purple. Grows wild in forests of Western China.Flower Colour : Purple to lilacFlowering Time : February-April Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron ririei W5139

Uncommon species, forming a dense large shrub; large leathery leaves , with a fawn indumentum below. Pale yellow flowers.Flower Colour : Pale yellowFlowering Time : April-May Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron rothschildii

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron roylei

This vigorous, tough species is easily grown and has a reputation for tolerating less acid soils. Worth a try in exposed or less than ideal conditions therefore. Mauve-pink flowers with spots.Flower Colour : Mauve-pinkFlowering Time : March-April Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron rubiginosum

Vigorous wind hardy species. Dark green leaves , rusty brown below. Very deep pink flowers.Flower Colour : Very deep pinkFlowering Time : March-April Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron rubiginosum F21348

This vigorous, tough species is easily grown and has a reputation for tolerating less acid soils. Worth a try in exposed or less than ideal conditions therefore. Mauve-pink flowers with spots.Flower Colour : Mauve-pink, spottedFlowering Time : March-April Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rubiginosum FCC

Vigorous wind hardy species. Dark green leaves , rusty brown below. Pale lilac flowers.Flower Colour : Pale lilacFlowering Time : March-April Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron rubiginosum R18119

This vigorous, tough species is easily grown and has a reputation for tolerating less acid soils. Worth a try in exposed or less than ideal conditions therefore. Mauve-pink flowers with spots.Flower Colour : Mauve pinkFlowering Time : March-May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rubiginosum Sherwood Garden form

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron rude

Very hardy, excellent foliage plant with narrow leaves, white when young becoming deep green, Fine reddish brown indumentum below. Deep pink flowers in April.Flower Colour : Blush pinkFlowering Time : April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron rufum

Very hardy, excellent foliage plant with oval leaves, white when young becoming deep green, Fine reddish brown indumentum below. Deep pink flowers. (with LRDno., white)Flower Colour : Deep pinkFlowering Time : April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron rufum Weldianum Group

Attractive free flowering shrub, dark green leaves, bluish green below. Rose purple flowers.Flower Colour : Rose purpleFlowering Time : April Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron searsiae

Flowers pink,rose,white,crimsonFlower Colour : Pink, rose, white, crimsonFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron selense

Flowers April - May,pink,rose,white,crimsonFlower Colour : Pink, rose, white, crimsonFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron selense series

bristly shoots, flowers cremy white sometimes crimson spotted, April-MayFlower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron selense ssp selense F14458

Pretty little shrub with bristly and attractive dark green leaves, paler below. Small trusses of rosy flowers,Flower Colour : Rosy pinkFlowering Time : April-June Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron selense ssp. dasycladum

White to flush rose flowersFlower Colour : White, flushed roseFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron selense ssp. jucundum

Bristly shoots, flowers creamy white sometimes crimson spotted.Flower Colour : creamy whiteFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron selense ssp. setiferum F14458

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron semibarbatum

Tree like in habit, large thick leaves, matt green above with a thick woolly indumentum below. White flushed rose flowers, with a crimson blotch.Flower Colour : Pink, crimson blotchFlowering Time : March-April Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron semnoides

Tree like in habit, large thick leaves, matt green above with a thick woolly indumentum below. White flushed rose flowers,with a crimson blotch.Flower Colour : Pink, crimson blotchFlowering Time : March-April Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron semnoides F21870

Tree like in habit, large thick leaves, matt green above with a thick woolly indumentum below. White flushed rose flowers, with a crimson blotch.Flower Colour : Pink, crimson blotchFlowering Time : March-April Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron semnoides Seedling

Flowers of white flush rose, scented, are borne on a strong shrub. May be closely allied to R. decorum but differs in the blotched corolla. Notable for its very late flowering.Flower Colour : White flush rose, scentedFlowering Time : Summer Scented :   Yes Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron serotinum SEH242

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron setosum

Handsome tree like species. Greeny brown flaking bark. Large leaves, matt grey green above, thin silvery white indumentum below. Creamy yellow flowers with a crimson blotch, in large trusses. Hardy in sheltered sites in south and west areas.Flower Colour : Creamy yellow,crimson blotchFlowering Time : May-June Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -12 to -15°C (10°F to 5°F) Hardy in a sheltered site in most UK, Damaged in severest winters.Group :..

Rhododendron sidereum

Handsome tree like species. Greeny brown flaking bark. Large leaves,matt grey green above, thin silvery white indumentum below. Creamy yellow flowers with a crimson blotch, in large trusses.Hardy in sheltered sites in south and west areas.Flower Colour : Ivory yellowFlowering Time : May-June Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sidereum KW 6792

Handsome tree like species. Greeny brown flaking bark. Large leaves,matt grey green above, thin silvery white indumentum below. Creamy yellow flowers with a crimson blotch, in large trusses..Hardy in sheltered sites in south and west areas.Flower Colour : Ivory yellowFlowering Time : May-June Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sidereum KW 827

Handsome tree like species. Greeny brown flaking bark. Large leaves,matt grey green above, thin silvery white indumentum below. Creamy yellow flowers with a crimson blotch, in large trusses.Hardy in sheltered sites in south and west areas.Flower Colour : Creamy yellowFlowering Time : May-June Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sidereum KW13649

Rounded or upright shrub with medium-sized foliage, densely scaled yellowish to brown underneath. Widely funnel shaped flowers, mauve/purple.Flower Colour : Mauve/purpleFlowering Time : May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron siderophyllum

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sikangense AC3723

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sikangense var exquisitum

White. Bell shaped flowers are white to pink sometimes blotched crimson.Flower Colour : WhiteFlowering Time : May-June Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sikangense var sikangense

Very fine tree like species. Long dark green leaves covered below with a woolly indumentum, which changes from white to light brown. Well formed trusses of up to 25 deep pink flowers.Flower Colour : PinkFlowering Time : February-April Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron silvaticum

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron simiarum

Large leaved species with light brown indumentum on underneath of leaves. Rounded bush, eventually growing into a tree. Large trusses of yellow flowers. Spectacular but probably a little tender, requiring fairly moist woodland conditions.Flower Colour : YellowFlowering Time : April-May Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sinofalconeri SHE229

Largest leaves of any rhododendron, 90x30cm on young plants when grown in mild wet areas. Huge trusses of pale yellow flowers with a crimson blotch. Needs a sheltered site that does not dry out.Flower Colour : Pale yellow, crimson blotchFlowering Time : March-May Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron sinogrande

Largest leaves of any rhododendron, 90x30cm on young plants when grown in mild wet areas. Huge trusses of pale yellow flowers with a crimson blotch. Needs a sheltered site that does not dry out.Flower Colour : Pale yellow, crimson blotchFlowering Time : March-May Scented :   No Ultimate Height :  6.00 metres / 19 feet 8 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sinogrande KR4027

Largest leaves of any rhododendron, 90x30cm on young plants when grown in mild wet areas. Huge trusses of pale yellow flowers with a crimson blotch. Needs a sheltered site that does not dry out.Flower Colour : Flowering Time : March-May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sinogrande KW21111

Largest leaves of any rhododendron, 90x30cm on young plants when grown in mild wet areas. Huge trusses of pale yellow flowers with a crimson blotch. Needs a sheltered site that does not dry out.Flower Colour : Pale yellow, crimson blotchFlowering Time : March-May Scented :   No Ultimate Height :  10.00 metres / 32 feet 9 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron sinogrande Seedling

This form of the giant-leaved species is a northern, high altitude varient with smaller leaves and pale yellow flowers without a blotch.Needs a sheltered site that does not dry out.Flower Colour : pale yellowFlowering Time : March-May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sinogrande var boreale

Very hardy shrub,compact if grown in full light. Young leaves and shoots are covered with a thick white woolly indumentum becoming dark green above ,pale fawn below at maturity. Deep pink flowers in elongated trusses. Good for cold gardens.Flower Colour : Deep pinkFlowering Time : May-June Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -23 to -29°C (-10°F to -10°F) Hardy anywhere in the UK.Group : Large Species over 2m..

Rhododendron smirnowii

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron smithii

Medium height species, with a neat open habit. Oval apple green leaves, bluish green below. Pink saucer shaped flowers, with a small crimson blotch.Good in well drained cold areas.Flower Colour : Pink, crimson blotchFlowering Time : May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron souliei

Medium height species, with a neat open habit. Oval apple green leaves, bluish green below. Pink saucer shaped flowers, with a small crimson blotch.Good in well drained cold areas.Flower Colour : Pale pink, crimson blotchFlowering Time : May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron souliei Pale Pink

Medium height species, with a neat open habit. Oval apple green leaves, bluish green below. White flushed pink saucer shaped flowers, with a small crimson blotch.Good in well drained cold areas.Flower Colour : WhiteFlowering Time : May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron souliei White

Medium height species, with a neat open habit. Oval apple green leaves, bluish green below.White flushed pink saucer shaped flowers, with a small crimson blotch. Good in well drained cold areas.Flower Colour : Pink/whiteFlowering Time : May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron souliei Windsor Park

Open growing shrub. Narrow grey leaves with a pale grey indumentum below. Crimson orange flowers. Uncommon species.Flower Colour : Crimson orangeFlowering Time : March-April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron sperabile var. weihsiense

Handsome foliage plant, compact rounded shrub. Olive green leaves with a rusty felt like indumentum below. Creamy white flushed pink flowers. .Good for cold gardens.Flower Colour : Creamy white, flushed pinkFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sphaeroblastum

Handsome foliage plant, compact rounded shrub. Olive green leaves with a rusty felt like indumentum below. Creamy white flushed pink flowers. Good for cold gardens.Flower Colour : Creamy white flushed pinkFlowering Time : April-May Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sphaeroblastum F 20416

Forms a dainty little tree with khaki green leaves. Pink flowers with a small crimson blotch.Flower Colour : Pink, crimson blotchFlowering Time : April-May Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron spilotum

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron stenaulum

Variety of colours - white, pink, scarlet or yellow flowers. Dainty species. Fawn peeling bark, bright green leaves, bluish green below. Needs some shelter from strong winds. Not very strong.Flower Colour : Yellow or pink formsFlowering Time : February-March Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron stewartianum

Dainty species. Fawn peeling bark, bright green leaves, bluish green below. Pale pink form. Needs some shelter from strong winds. Not very strong.Flower Colour : PinkFlowering Time : February-April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron stewartianum F26992

Unusual species forming a round bush. Twigs and leaf stalks on young growth covered with long bristles, often maroon red. Long recurved pale green leaves. Small trusses of deep red flowers.Flower Colour : Deep redFlowering Time : February-April Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron strigillosum

Very attractive red brown peeling bark. Narrow mid green leaves. Small trusses of crimson scarlet flowers. Avoid frost pockets.Flower Colour : Crimson scarletFlowering Time : March Scented :   No Ultimate Height :  14.00 metres / 45 feet 11 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron subansiriense

Very attractive red brown peeling bark. Narrow mid green leaves. Small trusses of crimson scarlet flowers. Avoid frost pockets.Flower Colour : Crimson scarletFlowering Time : March Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron subansiriense C&H418

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron suberosum

Forms rounded compact shrub. Attractive red brown & purplish grey, peeling bark. Shiny dark green leaves in whorls at the end of the branches. Crimson flowers,Flower Colour : CrimsonFlowering Time : February-April Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron succothii

Larger leaf species without indumentum and creamy white flowers with crimson blotch, New species. Allan Clark and Keith Rushforth were the first who introduced this species in 1992Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron suoilenhense

Large umbrella shaped shrub. Long narrow dark green leaves. Huge trusses of pale pink flowers. Good early-flowering woodland species.Flower Colour : Pale pinkFlowering Time : January-April Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sutchuenense

Large umbrella shaped shrub. Long narrow dark green leaves. Huge trusses of mauve pink flowers. Good early-flowering woodland species.Flower Colour : Mauve pinkFlowering Time : January-April Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sutchuenense (or x Geraldii?) Sunte Rose

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron sutchuenense var.geraldii

Large umbrella shaped shrub. Long narrow dark green leaves. Huge trusses of white flowers. Good early-flowering woodland species.Flower Colour : WhiteFlowering Time : January-April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron sutchuenense White form

Compact shrub. Dark green convex leaves covered below with a dense tawny brown indumentum. Creamy yellow flowers with a few crimson spots. Good for cold gardens.Flower Colour : Creamy yellowFlowering Time : April-May Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron taliense

Compact shrub. Dark green convex leaves covered below with a dense tawny brown indumentum. Creamy yellow flowers with a few crimson spots..Good for cold gardens.Flower Colour : Creamy yellowFlowering Time : April-May Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron taliense F6772

Flowers cream yellowFlower Colour : Creamy yellowFlowering Time : April-May Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron taliense series

Tree like in habit. Dark green leaves with a curious cobwebby indumentum below. Pink flowers fading to white. Fairly tender.needs shelter.Flower Colour : Pink fading to whiteFlowering Time : March-April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron tanastylum var pennivenium Aff.

Tree like in habit. Dark green leaves with a curious cobwebby indumentum below. Pink flowers fading to white. Fairly tender;needs shelter.Flower Colour : Pink fading to whiteFlowering Time : March-April Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron tanastylum var pennivenium KW8044

Flowers crimson & rosy purple.Tree like in habit. Dark green leaves without indumentum. Fairly tender; needs shelter.Flower Colour : CrimsonFlowering Time : April-May Scented :   No Ultimate Height :  19.00 metres / 62 feet 4 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron tanastylum var tanastylum

Flowers crimson & rosy purple.Tree like in habit. Dark green leaves without indumentum. Fairly tender; needs shelter.Flower Colour : CrimsonFlowering Time : April-May Scented :   No Ultimate Height :  19.00 metres / 62 feet 4 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron tanastylum var tanastylum KW9236

Flower Colour : whiteFlowering Time : May-June Scented :   Yes Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : -12°C (10°F) Hardy outdoors in milder parts of UK (such as Cornwall, Argyll), southern Ireland.Group : Large Species over 2m..

Rhododendron taronense SEE dendricola

Shoots sticky and downy, white flushed pink funnel shaped flowers,Flower Colour : White, flushed pinkFlowering Time : May Scented :   No Ultimate Height :  4.50 metres / 14 feet 9 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron thayerianum

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron thomsonia series

Bushy when young, becoming tree like, mixed coloured peeling bark, . Neat rounded leaves blue green at first becoming darker. Well formed trusses of waxy blood red flowers. Best with a little shelter.Flower Colour : Waxy blood redFlowering Time : April-May Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron thomsonii

Flower Colour : Blood redFlowering Time : April-May Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron thomsonii Davidian

Bushy when young, becoming tree like, mixed coloured peeling bark, . Neat rounded leaves blue green at first becoming darker. Well formed trusses of waxy blood red flowers. Best with a little shelter.Flower Colour : Waxy blood redFlowering Time : April-May Scented :   No Ultimate Height :  4.00 metres / 13 feet 1 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron thomsonii seedling

Bushy when young, becoming tree like, mixed coloured peeling bark, . Neat rounded leaves blue green at first becoming darker. Well formed trusses of waxy red flowers, Best with a little shelter.Flower Colour : RedFlowering Time : April-May Scented :   No Ultimate Height :  3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Large Species over 2m..

Rhododendron thomsonii series Bowes Lyon

Bushy when young, becoming tree like, mixed coloured peeling bark, . Neat rounded leaves blue green at first becoming darker. Well formed trusses of waxy blood red flowers, .Best with a little shelter.Flower Colour : Waxy blood redFlowering Time : April-May Scented :   No Ultimate Height :  7.00 metres / 22 feet 11 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron thomsonii ssp thomsonii BLM228

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron thomsonii ssp thomsonii F Bud

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron thomsonii var candelabrum

Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron timeteum SEE oreotrephes

White flushed pinkFlower Colour : White, flushed pinkFlowering Time : April-May Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron traillianum var dictyotum

Attractive foliage plant. Powdery young leaves on top , disappearing to reveal a dark green matt texture. Compacted rust brown indumentum below. Spicy smelling leaves. White flushed rose flowers. Good for cold gardens.Flower Colour : White, flushed roseFlowering Time : April-May Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron traillianum var traillianum

Attractive foliage plant.Powdery young leaves on top , disappearing to reveal a dark green matt texture.Compacted rust brown indumentum below. Spicy smelling small leaves. White flushed rose flowers. April-May.Good for cold gardens.Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron traillianum var traillianum F5881

Attractive foliage plant.Powdery young leaves on top , disappearing to reveal a dark green matt texture.Compacted rust brown indumentum below. Spicy smelling small leaves. White flushed rose flowers. April-May.Good for cold gardens.Flower Colour : Flowering Time :  Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron traillianum var traillianum R59256

Upright habit. Dark green leaves covered with soft hairs. Deep plum purple flowers .Flower Colour : Deep plum purpleFlowering Time : May-June Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron trichanthum

Flowers in clusters of 3, widely funnel-shaped, 5-lobed,spectrum violet, outside light cyclamen purple. Upright shrub to 2m., with small, hairy foliage.Flower Colour : Light cyclamen purpleFlowering Time : June-July Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron trichanthum Honeywood

Loose upright habit,reddish brown peeling bark.Attractive dark green leaves. Lavender flowers.Flower Colour : LavenderFlowering Time : May-June Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron triflora series (Lavender)

Forms a graceful open shrub with many saucer shaped open flowers lemon yellow . Mid green , slightly aromatic leaves with a grey undeside. On older plants, the main stem develops a plum colour and peels to reveal lighter shades. Needs shelter.Flower Colour : Lemon yellow, green spotsFlowering Time : May-June Scented :   No Ultimate Height :  2.00 metres / 6 feet 6 inchesParentage : Hardiness : -15 to -18°C (5°F to 0°F) Hardy in all but the coldest parts of UK but need some protection...

Rhododendron triflorum var bauhiniiflorum

Loose upright habit,reddish brown peeling bark.Attractive dark green leaves.Yellow bronzy flowers with brown markings.Flower Colour : Yellow bronzy, brown markingsFlowering Time : May-June Scented :   No Ultimate Height :  0.00 metres / 0 feet 0 inchesParentage : Hardiness : Group : Large Species over 2m..

Rhododendron triflorum var multiflorum

Loose upright habit,reddish brown peeling bark.Attractive dark green leaves. Pale cream or yellow flowers.Flower Colour : Pale cream / yellowFlowering Time : May-June Scented :   No Ultimate Height :  5.00 metres / 16 feet 4 inchesParentage : Hardiness : -18°C (0°F) Hardy in all but the coldest parts of UK.Group : Large Species over 2m..

Rhododendron triflorum var triflorum

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