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. Spacing at least 3m apart,
Rhododendron arboreum Seedlings
Large evergreen shrubs or trees, often growing to 100 ft. in the wild, (hence its name, meaning "tree-like") but rarely over 40 ft. in cultivation. Leaves dark green with white to silver-colored indumentum below. Flowers white / pink / red.Flower Colour: white / pink / red.Flowering Time: March-April Scented: No Ultimate Height : 6.00 metres / 1..
Rhododendron augustinii Werrington Form
Elegant upright habit,dark green leaves; striking lavender- blue azalea-like flowers. Best in a little shade. Superb blue mist-like effect in the woodland, like bluebells but not quite so pure blue.Flower Colour: Lavender blueFlowering Time: April-May Scented: No Ultimate Height : 3.00 metres / 9 feet 10 inchesParentage : Hardiness : -15 to -18°..
Rhododendron decorum(South Lodge seedling)
Handsome tree like species with matt green leaves up to 15cm long. Scented white flowers often 7.5 x 8.5cm, An excellent vigorous easily grown variety. Worth trying on neutral soils.Flower Colour: White, scentedFlowering Time: late April-May Scented: Yes Ultimate Height : 6.00 metres / 19 feet 8 inchesParentage : Hardiness : -15 to -18°C (5°F to..
Rhododendron fortunei ssp discolor
Tree like in habit with long dark green leaves, scented white or pink flowers.Flower Colour: White or pink, scentedFlowering Time: June-July Scented: Yes 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 johnstoneanum
Spreading habit, bristly twigs, attractive reddish brown peeling bark. Dark green hairy leaves. Creamy yellow flowers. Needs shelter from cold winds.Flower Colour: Creamy yellowFlowering Time: May Scented: No Ultimate Height : 3.00 metres / 9 feet 10 inchesParentage : Hardiness : -12 to -15°C (10°F to 5°F) Hardy in a sheltered site in most UK, D..
Rhododendron ponticum Lancifolium
Leaves are long and narrow flat, not wavy, small flowers pinkFlower Colour: Orchid pinkFlowering Time: May-June 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 racemosum Rock Rose AM AGM
Upright species. maroon shoots with bright green leaves. Masses of bright pink flowers, some from leaf axils.Flower Colour: PinkFlowering Time: March-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 searsiae
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 trichanthum Honeywood
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..
