Azalea 'Anouk' (Evergreen Azalea)

A compact, evergreen shrub with small, ovate leaves that open bright green and mature to dark green. Produces clusters of trumpet-shaped, rich pink flowers, with faint red speckles on the upper petals, in late spring.

Azalea 'Arabesk' (Evergreen Azalea)

A compact, spreading, evergreen shrub with small, elliptic, glossy, dark green leaves and clusters of funnel-shaped, red to reddish-pink flowers in late spring and early summer. Height 75cm (2.5ft), Spread 1m (3ft).

Azalea 'Blue Danube'

A compact, bushy, evergreen shrub with small, oblong, dark green leaves and, in late spring and early summer, clusters of broadly funnel-shaped, lilac-blue flowers, each with a pale centre and a prominent gold blotch.

Azalea 'Chanel' (Deciduous Azalea)

An upright, bushy shrub with dark-green, deciduous, oblong leaves and tubular, funnel-shaped, scented light yellow flowers, suffused pink with a dark yellow blotch in summer. Height & Spread 1.5m (5ft).

Azalea 'Corany' (Evergreen Azalea)

A compact, bushy, evergreen shrub with small, ovate, glossy, mid-green leaves and clusters of bright pink flowers from mid- to late spring. Height & Spread 1m (3ft).

Azalea 'Florida' (Evergreen Azalea)

A compact, bushy evergreen shrub with dark green leaves and semi double cherry red flowers in late April. Height & Spread 1m (3ft).

Azalea 'Geisha Orange' (Japanese Azalea)

A compact, evergreen shrub with glossy, dark green leaves and funnel-shaped reddish-orange flowers in late spring. Height & Spread 60cm (2ft).

Azalea 'Geisha Purple' (Evergreen Azalea)

A compact, evergreen shrub with small, hairy, evergreen leaves and clusters of rich reddish-purple funnel-shaped flowers in late spring. Height & Spread 50cm (1.5ft).

Azalea 'Geisha Red' (Evergreen Azalea)

A compact, bushy, spreading, evergreen shrub with small, ovate, glossy, bright green leaves and clusters of funnel-shaped, bright red flowers from late spring into summer. Height 60cm (2ft), Spread 1m (3ft).

Azalea 'George Arends' (Japanese Azalea)

A compact, bushy evergreen shrub with dark green leaves and reddish-purple funnel-shaped flowers in spring. Height & Spread 1.2m (4ft).

Azalea 'Gibraltar' (Deciduous Azalea)

An upright, spreading, deciduous shrub with oblong leaves and vivid orange flowers with frilled petals in late spring and early summer. Height & Spread 1.2m (4ft).

Azalea 'Golden Eagle' (Deciduous Azalea)

An upright, bushy, deciduous shrub with mid-green leaves and funnel-shaped reddish-orange flowers with orange-yellow veins in mid-spring. Height & Spread 1.5m (5ft).

Azalea 'Golden Lights' (Deciduous Azalea)

An upright to rounded, deciduous shrub with small, mid- to dark green leaves turning purple in autumn and rounded clusters of funnel-shaped, often pink-flushed, yellow-orange flowers in late spring and early summer.

Azalea 'Herbert' (Evergreen Azalea)

A mound-forming, semi-evergreen shrub with elliptic, glossy, mid- to bright green leaves and, in spring, clusters of broadly funnel-shaped, deep pink flowers with deep red flecks. Height 1.2m (4ft), Spread 1.5m (5ft).

Azalea 'Johanna' (Japanese Azalea)

A compact, evergreen shrub with small, glossy, dark green leaves and carmine-red flowers in late spring. Height & Spread 1m (3ft).

Azalea 'Kermesina Rose' (Evergreen Azalea)

A compact, bushy, upright, evergreen shrub with small, elliptic, glossy, dark green leaves and, in late spring & early summer, clusters of funnel-shaped, rose-pink flowers with white margins. Height & Spread 75cm (2.5ft).

Azalea 'Mary Helen' (Japanese Azalea)

A compact, evergreen shrub with dark green leaves and white, funnel-shaped flowers with a yellow-green flare in late spring. Height & Spread 75cm (2.5ft).

Azalea 'Mother's Day' (Japanese Azalea)

A low, spreading, evergreen shrub with glossy, dark green leaves and large, crimson, semi-double flowers in mid-spring. Height & Spread 60cm (2ft).

Azalea 'Nabucco' (Deciduous Azalea)

An upright, bushy shrub with dark-green, deciduous, oblong leaves and red flowers in spring. Height & Spread 1.5m (5ft).

Azalea 'Northern Hi Lights' (Deciduous Azalea)

An upright, bushy shrub with dark-green, deciduous, oblong leaves turning red in late summer and white flowers with a yellow flare in spring. Height & Spread 1.2m (4ft).

Azalea 'Orange King' (Evergreen Azalea)

A compact, evergreen shrub with glossy, dark green leaves and rich orange, funnel-shaped flowers in spring. Height & Spread 1m (3ft).

Azalea 'Pleasant White' (Evergreen Azalea)

An evergreen shrub with an upright, low-growing habit. It has dark green foliage and pure white, rounded flowers appearing in spring. Height & Spread 1m (3ft).

Azalea 'Red Wing' (Japanese Azalea)

A small, upright, evergreen, bushy shrub with small, green leaves and masses of showy, ruffled, deep cerise-red flowers in late spring. Height & Spread 1.2m (4ft).

Azalea 'Silver Slipper' (Deciduous Azalea)

An upright, bushy, deciduous shrub with oblong, mid-green leaves, flushed bronze when young, and spherical clusters of fragrant, trumpet-shaped, orange-marked, pink-flushed, creamy-white flowers in mid- to late spring.

Azalea 'Snow White'

A compact, bushy, evergreen shrub with small, dark green leaves and, in late spring and early summer, clusters of broadly funnel-shaped, white flowers.

Azalea 'Torchlight' (Evergreen Azalea)

A compact, bushy evergreen shrub with dark green leaves and bright orange flowers in May. Height & Spread 60cm (2ft).

Rhododendron 'Bengal' (Dwarf Rhododendron)

A small, evergreen shrub with small, glossy, deep green leaves and clusters of waxy, red flowers that bloom in mid-spring on the tips of the branches.

Rhododendron 'Blue Tit' (Dwarf Rhododendron)

A very compact, mounding, dense shrub with bright yellowish new growth that gradually changes to a medium-green. In early spring it has masses of blue-grey, trumpet flowers. Height & Spread 75cm (2.5ft).

Rhododendron 'Christmas Cheer'

A dense, compact, evergreen shrub with broadly lance-shaped, dark green leaves and, in late winter and early spring, pink buds opening into dense clusters of funnel-shaped, pink flowers that gradually fade to white.

Rhododendron 'Cosmopolitan'

A broad, dense, evergreen shrub with glossy, dark green leaves and, late in spring, rounded clusters of funnel-shaped, pink flowers, each with a deep red blotch. Can sometimes flower again in the Autumn.

Rhododendron 'Cream Crest' (Dwarf Rhododendron)

A dense, dwarf, evergreen shrub with glossy, dark-green leaves and funnel-shaped creamy yellow flowers. Height & Spread 1m (3ft).

Rhododendron 'Cunningham's White'

A vigorous, upright to spreading, evergreen shrub with ovate to elliptic, dark green leaves and loose clusters of mauve buds opening to funnel-shaped, lightly spotted, white flowers in late spring.

Rhododendron 'Germania'

A rounded, evergreen shrub with elliptic, dark green leaves and, in late spring and early summer, rounded clusters of trumpet-shaped, bright pink flowers with wavy petal margins. Height & Spread 2m (6ft).

Rhododendron 'Gertrude Schale' (Dwarf Rhododendron)

A compact, dwarf, evergreen shrub with dark green leaves and clusters of bright red flowers in spring. Height & Spread 60cm (2ft).

Rhododendron 'Golden Gate'

A compact, rounded, evergreen shrub with elliptic, glossy, dark green leaves and, in mid- to late spring, rounded clusters of funnel-shaped, orange flowers with reddish-pink petal margins. Height & Spread 1.2m (4ft).

Rhododendron 'Golden Wonder' (Dwarf Rhododendron)

A compact, spreading to mound-forming, evergreen shrub with small, ovate to elliptic, green leaves and clusters of wavy-edged, pale yellow flowers in mid- to late spring. Height 60cm (2ft), Spread 1m (3ft).

Rhododendron 'Goldflimmer'

A compact, evergreen shrub with deep green leaves variegated with a splash of yellow in the centre of each leaf. Lavender coloured trumpet flowers bloom in spring. Height 1.5m (5ft), Spread 2m (6ft).

Rhododendron 'Goldkrone'

A low-growing, compact, evergreen shrub with ovate to rounded, glossy, dark green leaves and clusters of funnel-shaped, red-speckled, yellow flowers in mid-spring. Height & Spread 1.5m (5ft).

Rhododendron 'Gristede' (Dwarf Rhododendron)

A compact, dwarf, evergreen shrub with glossy, oblong to lance-shaped, dark green leaves and large clusters of funnel-shaped, deep purple-blue flowers in spring. Height & Spread 1m (3ft).

Rhododendron 'Halfdan Lem'

An upright to spreading, evergreen shrub with leathery, glossy, dark green leaves and, in late spring and early summer, clusters of funnel-shaped, rich red flowers. Height & Spread 1.5m (5ft).

Rhododendron 'Madame Masson'

A mid-sized, evergreen shrub with dark-green, shiny, ovate leaves. In spring, it bears clusters of white flowers with yellow throats. Height & Spread 1.5m (5ft).

Rhododendron 'Marie Fortier'

An upright to spreading, evergreen shrub with elliptic, leathery, glossy, dark green leaves and, in late spring and early summer, large, rounded clusters of reddish-purple flowers with dark red blotches.

Rhododendron 'Markeeta's Prize'

A large, upright, evergreen shrub with elliptic, dark green leaves and broad, rounded clusters of large, funnel-shaped, lightly spotted, scarlet flowers in late spring. Height & Spread 2.5m (8ft).

Rhododendron 'Nova Zembla'

A dense, upright to spreading, evergreen shrub with glossy, dark green leaves and, in spring, rounded clusters of broadly funnel-shaped, deep red to reddish-pink flowers with darker red blotches.

Rhododendron 'Polar Night'

A compact, open, spreading, evergreen shrub with leathery, elliptic, dark green leaves and, in late spring and early summer, large, rounded clusters of funnel-shaped, dark reddish-purple flowers with spotted, red throats.

Rhododendron 'Princess Anne' (Dwarf Rhododendron)

A dwarf, evergreen shrub with bronze new growth fading to deep green leaves. In late spring it has greenish-yellow flowers. Height & Spread 60cm (2ft).

Rhododendron 'Ramapo' (Dwarf Rhododendron)

A small, evergreen, aromatic shrub with green leaves and blue-green new growth. It has trumpet flowers that are blue-violet in spring. Height 1m (3ft), Spread 1.2m (4ft).

Rhododendron 'Rocket'

A medium-sized shrub with dark green glossy leaves and vivid pink funnel-shaped, frilled flowers with a scarlet blotch, that appear in April and May. Height 1.5m (5ft), Spread 1.2m (4ft).

Rhododendron 'Roseum Elegans'

A vigorous, dense, rounded, evergreen shrub with large, glossy, dark green leaves, and spherical clusters of bell-shaped, lightly spotted, lavender-pink flowers in late spring and early summer. Height & Spread 2.5m (8ft).

Rhododendron 'Scarlet Wonder' (Dwarf Rhododendron)

A dense, spreading, evergreen shrub with mid-green, glossy leaves. In late spring and early summer it has scarlet red flowers. Height 1m (3ft), Spread 1.2m (4ft).

Rhododendron 'Scintillation'

A vigorous, wide-growing hybrid with extra thick stems and large trusses of luminous pink flowers, each with a yellowish flare in late May. Large, lustrous deep green foliage. Height 2m (6ft), Spread 2.5m (8ft).

Rhododendron 'Shamrock' (Dwarf Rhododendron)

A small evergreen shrub with dark-green, ovate leaves. In spring, it bears clusters of pale yellow flowers. Height & Spread 60cm (2ft).

Rhododendron 'Tarragona'

A dense, bushy, evergreen shrub with elliptic, glossy, dark green leaves and, in late spring, rounded clusters of funnel-shaped, red flowers. Height 1.2m (4ft), Spread 1.5m (5ft).

Rhododendron 'Tinkerbird' (Dwarf Rhododendron)

A compact, bushy, dense, evergreen shrub with oval to elliptic, dark green leaves and loose, rounded clusters of fragrant, funnel-shaped, pink-flushed white flowers in mid to late spring. Height & Spread 75cm (2.5ft).

Rhododendron 'Tortoiseshell Orange'

A dense, upright, evergreen shrub with deep green leaves and orange flowers in early summer. Height & Spread 1.5m (5ft).

Rhododendron 'Van'

An upright, evergreen shrub with dark green leaves and, in late spring and early summer, large clusters of funnel-shaped, bright pink flowers, often slightly darker towards the center. Height & Spread 1.5m (5ft).

Rhododendron 'Winsome' (Dwarf Rhododendron)

A small, evergreen shrub with copper-coloured new growth. Masses of trumpet-shaped, rosy-red flowers in spring. Height & Spread 1m (3ft).

Rhododendron 'XXL'

An upright, bushy, evergreen shrub with dark green leaves and, in late spring and early summer, domed clusters of funnel-shaped, blush and light pink flowers, each with a prominent, hot pink, ruffled edge.

Rhododendron ponticum 'Silver Edge'

A vigorous, dense, evergreen shrub bearing elliptic to lance-shaped, glossy, dark green leaves with narrow, creamy-white margins and clusters of broadly funnel-shaped, lilac flowers in spring. Height & Spread 2m (6ft).

Rhododendron yakushimanum 'Dopey'

A medium-sized evergreen shrub with dark green leaves and rounded clusters of deep red flowers. Height & Spread 2.5m (8ft).

Rhododendron yakushimanum 'Dreamland'

A small evergreen shrub with pale pink flowers edged deeper pink and white outer petals. Height & Spread 1.2m (4ft).

Rhododendron yakushimanum 'Hoppy'

A small, rounded, bushy, evergreen shrub with broadly lance-shaped, green leaves and, in late spring/early summer, clusters of frilly, pale pink flowers. Height & Spread 1.2m (4ft).

Rhododendron yakushimanum 'Kalinka'

A dense, evergreen shrub with glossy, dark green leaves and pink flowers in clusters throughout late spring. Height & Spread 2m (6ft).

Rhododendron yakushimanum 'Nancy Evans'

A compact, evergreen shrub with bronze new growth and deep green leaves. In summer it has pink buds that open to rich yellow, trumpet flowers. Height & Spread 1.5m (5ft).

Rhododendron yakushimanum 'Percy Wiseman'

A rounded, evergreen shrub with glossy, dark green foliage and rounded clusters of pink-flushed, peach-cream flowers. Height & Spread 2.5m (8ft).

Rhododendron yakushimanum 'Polaris'

A compact, rounded, evergreen shrub with ovate, hairy, dark green leaves and deep red buds opening to rounded trusses of funnel-shaped, slightly frilled, bright pink to purple-pink flowers in late spring into early summer.

Rhododendron yakushimanum 'Sneezy'

A vigorous, compact, dense, evergreen shrub with elliptic, dark green leaves, silvery-hairy when young, and rounded clusters of funnel-shaped, red-blotched, deep pink flowers in late spring and early summer.

Rhododendron yakushimanum 'Surrey Heath'

A dense, compact, evergreen shrub with deep green leaves. It has globe clusters of rose-pink flowers on yellow stems throughout spring. Height & Spread 1m (3ft).