Species

Creamy white., April-May

Strong-growing seedlings of uncertain parentage (!) Large leaves and striking heads of pink and white flowers, often with a dark red blotch in the throat,, April-May

Large , bushy shrub. Dark shiny leaves with a fawn suede indumentum below. Lavender flowers. intro 1825, April-May

Extremely hardy, handsome dark green leaves. Funnel shaped lilac flowers, spotted yellow.May-June. This species is one of the parents of a great many hardy hybrids., May-June

Compact shrub if grown in full light.. Attractive light brown peeling bark. Dark green leaves,hairy above and fringed with longer stiff hairs. white flowers. Confused with R Snow Lady., March-May

Compact shrub if grown in full light.. Attractive light brown peeling bark. Dark green leaves,hairy above and fringed with longer stiff hairs.Deep rose flowers., March-May

Upright growing species, bluish green young foliage becoming darker. hanging trusses of deep yellow tubular bell shaped flowers., May

Apricot flowers. Leaves deep green, glaucous purple tinged, April-May

Neat upright shrub with small dark green aromatic leaves. Rich bluish purple flowers., April-May

Vigorous tree like species. Light green shiny leaves, often 30 cm long with a blue green reverse. White heavily scented flowers often 10 cm across in huge loose trusses. Needs space. June-July., June-July

Flowers campanulate, scarlet or scarlet-crimson, sometimes with darker spots within and with blotched nectar pouches. This form of Rh barbatum lacks the characteristic bristles on the leaf stalk. Name now invalid., March-April

White flushed light purple. Hardy rounded open habit. Gloosy dark green leaves, grey indumentum below..Good variety for cold gardens., April-May

Spreading habit, bristly twigs, attractive reddish brown peeling bark. Dark green hairy leaves. Creamy yellow flowers. Needs shelter from cold winds., May

Neat erect species. Dark green leaves covered with soft hairs. bright rose flowers., April-May

Distinguished by its variegated foliage, leaves are long and narrow with silvery margins and irregular leaf tips. Flowers are orchid pink, May-June

Upright species. maroon shoots with bright green leaves. Masses of bright pink flowers, some from leaf axils., March-May

Upright habit. Narrow light green leaves, hairy. Small pink flowers in tufts at the end of the stems. A unique species, unlike any other hardy rhododendron., February-March

Upright species, may grow beyond 2m in a mild garden. Prefers a north wall. Mid green narrow leaves, scented white flowers with a gold throat.. Makes a good cold greenhouse plant., April-May

Evergreen, dome shaped rhododendron of neat, compact habit. Fully hardy. Broadly oval leaves are silvery at first, maturing to deepest green, and are brown felted beneath. In late spring has funnel shaped pink flowers that fade to near white., May