Shrub to several metres tall. Leaves 4-5 per whorl, mostly 7-16 cm long, 4-8 cm wide. Flowers 5-8 per cluster, funnel-shaped, mostly 6-8 cm long. Stamens 10.
New Guinea
Source: (1997). Rhododendron. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.
Rhododendron zoelleri 'Ada Verspeek'
Rhododendron zoelleri 'Advent Bells'
Flowers medium, semi-double, bright red, bell-shaped.
Rhododendron zoelleri 'Albert Elizabeth'
Flowers large, double, white edged rose.
Flowers large, double, white.
Rhododendron zoelleri 'Angus Bell'
Flowers medium, single to semi-double, orange-red, centre paler.
Rhododendron zoelleri 'Arthur's Choice'
Seed parent R. christianae × R. lochiae pollen parent R. christianae × R. lochiae
Flowers 7 per cluster, tubular, deep yellow-pink to vivid reddish orange.
Raised 1972 by B. Clancy, Australia. Registered 1985.
Rhododendron zoelleri 'Auburn Beauty'
Seed parent R. laetum pollen parent R. 'Sunset'
Flowers 5-7 per cluster, tubular to funnel-shaped, yellow inside with yellowish-pink lobes, outside yellow.
Raised by G.L.S. Snell 1979, introduced 1991. Registered 1992
Rhododendron zoelleri 'Ballerina'
Flowers medium, double, pale pink to white with pinkish edge.
Rhododendron zoelleri 'Beatrix'
Flowers medium, double, salmon.
Rhododendron zoelleri 'Bertina'
Flowers large, single, salmon pink.
Rhododendron zoelleri 'Blond Venus'
Seed parent R. 'Sweet Wendy' pollen parent R. laetum, dwarf
Flowers 5-7 per cluster, tubular to funnel-shaped, tube yellow, lobes yellowish pink.
Raised G.L.S. Snell 1980 and introduced 1990. Registered 1991.
Rhododendron zoelleri 'Bold Janus'
Seed parent R. leucogigas, pollen parent R. laetum
Flowers 7 per cluster, tubular to funnel-shaped, pale yellow flushed pink.
Raised Shrublands Nursery, Australia 1987. Registered 1988.
Rhododendron zoelleri 'Bonnie Mckee'
Flowers large, double, mauve.
Rhododendron zoelleri 'Bright Lights'
Seed parent R. laetum, pollen parent R. zoelleri
Flower tube yellow, lobes reddish orange.
Raised by G.L.S. Snell. Int. 1990 by Foothills Nursery. Registered 1990.
Rhododendron zoelleri 'Bulolo Gold'
Seed parent R. macgregoriae, pollen parent R. aurigerianum
Flowers 16 per cluster, brilliant orange and bright yellow.
Raised by T. Lelliott, Australia. Introduced R. Cutten, Australia. Registered R. Cutten 1980-1.
Rhododendron zoelleri 'Buttermilk'
Seed parent R. konorii, pollen parent R. aurigerianum
Flowers 6-10 per cluster tubular to funnel-shaped, pale yellow inside, bright yellow outside.
Raised by J. Rouse 1980, Australia. Introduced G.L.S. Snell, Australia. Registered G.L.S. Snell 1986.
Rhododendron zoelleri 'Cakes And Ale'
Seed parent R. laetum × R. zoelleri 'Golden Gate', pollen parent R. zoelleri × R. leucogigas
Flowers 4-8 per cluster, tubular to funnel-shaped, deep orange inside with pale orange yellow lobes, outside vivid orange.
Raised by P. Schick, 1987. Introduced 1991 Foothills Nursery, Australia. Registered Foothills Nursery 1992.
Flowers medium, double, salmon pink.
Rhododendron zoelleri 'Carillon Bells'
Seed parent R. gracilentum, pollen parent R. laetum
Flowers 2-3 per cluster, deep purple pink to pale yellowish pink.
Raised by G.L.S. Snell, Australia. Introduced G.L.S. Snell, Australia. Registered G.L.S. Snell, Australia, 1984.
Rhododendron zoelleri 'Celebration'
Seed parent R. lochiae, pollen parent R. macgregoriae
Flowers 10-15 per cluster, tubular to funnel-shaped, deep yellowish pink.
Raised by T. Lelliott, Australia. Introduced R. Tonkin, 1990. Registered Morillah Gardens, Australia, 1991.
Rhododendron zoelleri 'Charly'
Flowers large, double, purplish red.
Rhododendron zoelleri 'Charming Valentino'
Seed parent R. 'Saint Valentine', pollen parent R. 'Saint Valentine'
Flowers 3-4 per cluster, broadly funnel-shaped, deep yellowish pink.
Raised by P. Schick. Introduced Vireya Venue Australia, 1990. Reguistered Vireya Venue 1991.
Rhododendron zoelleri 'Choc Orange'
Seed parent R. laetum, pollen parent R. 'Sweet Wendy'
Flowers 7 per cluster, tubular to funnel-shaped, tube yellow, lobes bright reddish orange.
Raised by G.L.S. Snell, Australia. Introduced Foothills Nursery, Australia, 1990. Registered R. Macdonald, Australia, 1990.
Rhododendron zoelleri 'Christmas Past'
Seed parent R. lochiae, pollen parent R. pseudonitens
Flowers 5-9 per cluster, tubular to funnel-shaped, vivid reddish orange.
Introduced Foothills Nursery, Australia, 1990. Regpistered Foothills Nursery, 1991.
Rhododendron zoelleri 'Clare Rouse'
Seed parent R. christianae, pollen parent R. laetum
Flowers 5-7 per cluster, tubular to bell-shaped, yellow, lobes reddish orange.
Raised by D.B. Stanton, Australia. Introduced Dr J. Rouse, Australia. Registered Dr J. Rouse, 1984.
Rhododendron zoelleri 'Comtesse De Kerchove'
Flowers medium, double, pale pink edged white.
Rhododendron zoelleri 'Coral Flare'
Seed parent R. lochiae, pollen parent R. laetum
Flowers 3-7 per cluster, tubular to funnel-shaped, yellowish pink.
Raised by D.B. Stanton, Australia. Introduced Shrublands Nursery, Australia. Registered Shrublands Nursery, 1988.
Rhododendron zoelleri 'Craig Faragher'
Seed parent R. gracilentum, pollen parent R. jasminiflorum
Flowers 6-8 per cluster, tube strong pink, the lobes purple-pink.
Raised by Craig Faragher. Introduced G.L.S. Snell. Registered G.L.S Snell, 1982.
Rhododendron zoelleri 'Crimson Lightning'
Seed parent R. konorii, pollen parent R. javanicum
Flowers 10-12 per cluster, tubular to funnel-shaped, flowers vivid red,
Originator unknown. Introduced Foothills Nursery, Australia, 1990 and registered by same in 1991.
Rhododendron zoelleri 'Dancer'
Flowers medium, semi-double, salmon pink.
Rhododendron zoelleri 'De Waele's Favourite'
Flowers large, double, frilled, pink with white border.
Rhododendron zoelleri 'Doll Tsarsheet'
Seed parent R. lochiae, pollen parent R. lochiae × R. konorii
Flowers 5-7 per cluster, tubular to funnel-shaped, purplish red inside and out.
Raised by J.L. Rouse, 1985. Introduced Foothills Nursery, Australia, and registered by same in 1992.
Rhododendron zoelleri 'Dr Bergmann'
Flowers medium, semi-double, pinkish-orange with a dark throat.
Rhododendron zoelleri 'Dr Koester'
Flowers double, bright red.
Rhododendron zoelleri 'Dressed To Kill'
Seed parent R. konorii, pollen parent R. christianae
Flowers 10-12 per cluster, tubular to funnel-shaped, tube bright yellow with strong pink lobes.
Raised in 1989 by unknown source. Introduced 1990 by Foothills Nursery, Australia and registered by same in 1991.
Rhododendron zoelleri 'Eastern Zanzibar'
Seed parent R konorii, pollen parent R. zoelleri
Flowers 4-5 per cluster, bell-shaped, pale yellow with deep pink lobes.
Raised by W.A. Moynier. Introduced Vireya Venue, Australia in 1991 and registereed by same in 1991.
Rhododendron zoelleri 'Elsa Karga'
Flowers medium, double, dark red.
Rhododendron zoelleri 'Eri Schame'
Flowers large, semi-double, pink edged white.
Rhododendron zoelleri 'Esprit-de-joie'
Seed parent R. konorii, pollen parent R. laetum
Flowers 4-6 per cluster, tubular to funnel-shaped, tube pale orange-yellow with strong pink lobes, the inside pale pink.
Raised by J.L. Rouse, 1980. Introduced G.L.S. Snell and registered by same in 1986.
Rhododendron zoelleri 'Finnegan's Rainbow'
Seed parent R. laetum, pollen parent R. zoelleri
Flowers 5-7 per cluster, tubular to funnel-shaped, greenish yellow, inside bright yellow and lobes bright yellow outside.
Raised by G.L.S. Snell in 1983. Introduced Foothills Nursery, Australia and registered by same in 1992.
Rhododendron zoelleri 'Firefly'
Flowers large, double, dark red.
Rhododendron zoelleri 'Fireplum'
Seed parent R. phaeopeplum × R. lochiae, pollen parent R. zoelleri
Flowers 6 per cluster, tube yellowish pink with the lobes yellow-pink inside and deep pink outside.
Raised by P. Sullivan in 1979. Introduced G.L.S. Snell and registered by him in 1986.
Rhododendron zoelleri 'Gentle Jenny'
Seed parent R. macgregoriae × R. zoelleri, pollen parent R. jasminiflorum
Flowers 6-8 per cluster, tube pale yellow, lobes pale yellowish pink.
Origin unknown. Introduced Foothills Nursery, Australia, 1990 and registered by same in 1991.
Sun Flowers large, double, bright red.
Rhododendron zoelleri 'Gretel'
Flowers medium, double, white edged pink and with tufted centre.
Rhododendron zoelleri 'Guanda Pink'
Flowers large, double, salmon pink.
Rhododendron zoelleri 'Helen's Laughter'
Seed and pollen parents unknown
Flowers 5-7 per cluster, tubular to funnel-shaped, vivid reddish orange.
Raised by G.L.S. Snell, Australia. Introduced Foothills Nursery, Australia in 1990 and registered by same in 1991.
Rhododendron zoelleri 'Highland Peter Pan'
Seed parent R. christianae, pollen parent R. 'Sweet Wendy'
Flowers 5-6 per cluster, funnel-shaped, tube yellow, lobes strong red.
Raised by G.L.S. Snell, Australia, in 1980. Introduced 1990 by Vireya Venue and registered in same year by same.
Rhododendron zoelleri 'Hip-hip-hurrah'
Seed parent 'Dr Herman Sleumer' × R. herzogii, pollen parent R. aurigerianum × R. laetum
Flowers 9-11 per cluster, tubular to funnel-shaped, deep pink, fading towards the edges of the lobes.
Raised by J. L. Rouse, Australia in 1983. Introuced 1991 by Foothills Nursery and registered by same in 1992.
Rhododendron zoelleri 'Hosanna'
Seed parent R. zoelleri, pollen parent R. leucogigas
Flowers 8 per cluster, funnel-shaped, pale yellowish pink outside, orange yellow inside.
Origin unknown. Introduced 1990 by Foothills Nursery, Australia and registered in 1991 by same.
Flowers large, double, pink with white edge.
Rhododendron zoelleri 'Kandy Kid'
Flowers medium, semi-double, white flecked pink.
Rhododendron zoelleri 'Knut Erwen'
Flowers large, double, frilled, cerise.
Rhododendron zoelleri 'Kosmos'
Flowers large, double, bright pink.
Rhododendron zoelleri 'La-de-da'
Seed parent R. christianae, pollen parent R. jasminiflorum.
Flowers 6-10 per cluster, tubular to funnel-shaped, tube pale yellowish green, lobes pink shading to pale purplish pink.
Raised by D. B. Stanton, Australia in 1975. Introduced 1990 by Foothills Nursery in 1990 and registered by the same in 1991.
Rhododendron zoelleri 'Lana's Gold'
Seed parent R. christianae × R. laetum, pollen parent R. laetum × R. 'Golden Gate'
Flowers 8. Flowers yellow, the stigma yellow with a pronounced green tip, tubular to funnel-shaped, and with a pronounced green tip.
Raised by P. Schick. Introduced Foothills Nursery, Australia in 1990 and registered in the same year.
Sun Flowers lrge, single, tufted, pink.
Rhododendron zoelleri 'Lavender Rosina'
Flowers large, double, pale lavender.
Rhododendron zoelleri 'Leopold Astrid'
Flowers large, double, frilled, white bordered pinkish red.
Rhododendron zoelleri 'Littlest Angel'
Seed parent R. lochiae, pollen parent R. pauciflorum.
Flowers 4, tubular to bell-shaped, vivid red.
Raised by G.L.S. Snell, Australia who introduced it in 1983 and registered it in 1984.
Rhododendron zoelleri 'Lochmin'
Seed parent R. lochiae, pollen parent R. jasminiflorum
Flowers 7 per cluster, yellow, the stigma with a pronounced green tip, pale purplish pink with a darkish tube.
Raised by T. Lelliott, Australia. Introduced R. Cutten and registered by him in 1980-81.
Flowers large, double, purplish pink.
Rhododendron zoelleri 'Lucifer's Blush'
Seed parent R. laetum, pollen parent unknown
Flowers 6-10 per cluster, tubular to funnel-shaped, reddish orange inside and out.
Originated in 1988 but originator unknown. Introduced 1991 by Foothills Nursery, Australia and Registered 1992 by same.
Rhododendron zoelleri 'Madame De Waele'
Flowers large, double, frilled, white.
Rhododendron zoelleri 'Madonna'
Flowers large, semi-double, white.
Rhododendron zoelleri 'Mardi Gras'
Flowers medium, single, ruffled, red with white edge.
Rhododendron zoelleri 'Melbourne Cup'
Seed parent R. laetum × R. 'Dr Herman Sleumer', pollen parent R. aurigerianum × R. 'Dr Herman Sleumer'
Flowers 9 per cluster, tubular to funnel-shaped, yellow with the 2 lower lobes pink.
Raised in 1990 by J.L. Rouse. Introduced Foothills Nursery, Australia in 1990 and registered in 1991 by same.
Rhododendron zoelleri 'Melissa Ray'
Flowers large, double, violet-purple.
Rhododendron zoelleri 'Mistral'
Sun Flowers medium, single, pink.
Rhododendron zoelleri 'Mme August Haerens'
Flowers large, double, salmon edged white.
Rhododendron zoelleri 'Mrs Gerde Kint'
Flowers medium, single, pink with white edge.
Rhododendron zoelleri 'Mrs Jozeph Hursel'
Flowers large, semi-double, dark purple.
Rhododendron zoelleri 'My Fair Lady'
Flowers large, double, salmon pink with a white edge.
Rhododendron zoelleri 'Nan Cutten'
Seed parent R. aurigerianum, pollen parent R. 'Dr Herman Sleumer'
Flowers 9 per cluster, pale orange yellow with vivid yellow lobes.
Raised by T. Lelliott, Australia. Introduced R. Cutten, Australia and registered by same in 1982.
Rhododendron zoelleri 'Niugini Firebird'
Seed parent R. laetum, pollen parent R. javanicum
Flowers 8-10 per cluster, tubular to funnel-shaped, and lobes vivid reddish ornage.
Introduced G.L.S. Snell, Australia, and registered by him in 1985.
Rhododendron zoelleri 'Only One Earth'
Flowers medium, semi-double, bright red.
Rhododendron zoelleri 'Orange Chimes'
Flowers medium, semi-double, bright orange.
Rhododendron zoelleri 'Orange Pride Of Dorking'
Sun Flowers large, single, orange.
Rhododendron zoelleri 'Orchidflora Pink'
Flowers large, semi-double, pale pink edged white.
Flowers large, pale pink to white with a red throat.
Rhododendron zoelleri 'Pacific Shower'
Seed parent R. lochiae × R. macgrogoriae, pollen parent R. christianae)
Flowers 10 per cluster, tubular to funnel-shaped, tube yellow tinged reddish orange and lobes reddish orange.
Raised by D.B. Stanton, Australia, 1983. Introduced Mrs S. Saperstein, Australia, 1990. Registered J. & S. Saperstein, 1991.
Rhododendron zoelleri 'Paloma'
Flowers large, double, white.
Rhododendron zoelleri 'Paul Schame'
Flowers large, double, salmon-red.
Rhododendron zoelleri 'Pendance'
Seed parent R. jasminiflorum, pollen parent R. christianae
Flowers 9-13 per cluster, white flushed purplish pink.
Raised by D.B. Stanton, Australia, 1977. Introduced J. Clyde Smith, Australia. Registered J. Clyde Smith, 1983.
Rhododendron zoelleri 'Pennywhistle'
Seed parent R. macgregoriae, pollen parent R. bagobonum.
Flowers 3-5 per cluster, bell-shaped, vivid orange.
Raised by J.L. Rouse, Australia, 1986. Introduced Vireya Venue, Australia, 1990. Registered Vireya Venue Nursery, 1991.
Rhododendron zoelleri 'Pink Dream'
Flowers large, single, pale pink.
Rhododendron zoelleri 'Pink Ruffles'
Flowers large, double, ruffled, pink edged white.
Rhododendron zoelleri 'Pink Sally'
Seed parent (R. phaeopeplum × R. lochiae) × R. leucogigas, pollen parent R. laetum
Flowers 6 per cluster, tubular to funnel-shaped, tube orange yellow tinged pink, lobes deep pink and fading.
Raised by Dr J. Rouse, Australia, 1981. Introduced Foothills Nursery, Australia, 1990. Registered Foothills Nursery, 1991.
Rhododendron zoelleri 'Red Line'
Flowers large, double, white with pink markings.
Rhododendron zoelleri 'Red Ruffles'
Flowers large, double, ruffled, salmon-pink.
Rhododendron zoelleri 'Red Satin'
Flowers large, double, dark red.
Rhododendron zoelleri 'Road Runner'
Flowers medium, single, pinkish red.
Rhododendron zoelleri 'Rosali'
Flowers large, semi-double, purplish pink.
Rhododendron zoelleri 'Rosina'
Flowers medium, double, candy pink.
Rhododendron zoelleri 'Ruth Kirk'
Flowers large, single, salmon pink with a white throat.
Rhododendron zoelleri 'Ruth Marion'
Flowers medium, semi-double, mauvish pink with white centre.
Rhododendron zoelleri 'Silver Anniversary'
Flowers medium, semi-double, pale pink with silvery nuances.
Rhododendron zoelleri 'South Seas'
Flowers large, semi-double, mauve-pink.
Rhododendron zoelleri 'Southern Aurora'
Flowers medium, double, salmon flushed white.
Rhododendron zoelleri 'Southern Sunset'
Flowers medium, double, orange-red.
Rhododendron zoelleri 'Stella Maris'
Flowers large, semi-double, white with purplish red blotch.
Seed parent R. christianae, pollen parent R. macgregoriae
Flowers 8-15 per cluster, tubular to funnel-shaped, yellow with yellowish pink lobes.
Grown by B. Clancy of Australia and introduced by G.L.S. Snell who registered it in 1985.
Rhododendron zoelleri 'Sweet Mac'
Natural hybrid with seed collected in the wild R. inconspicuum × R. macgregoriae.
Flowers reddish orange.
Grown by L. Searle, New Guinea and int. G.L.S. Snell, Australia who registered it in 1982.
Rhododendron zoelleri 'Sweet Rosalea'
Seed parent R. konori, pollen parent R. christianae.
Brilliant yellow flowers with deep pink lobes, paler in the centre.
Raised by G.L.S. Snell, 1980. Introduced by him in 1986. Registered by Shrublands Nursery 1987.
Rhododendron zoelleri 'Sweet Wendy'
Seed parent. R. laetum, pollen parent R. phaeopeplum.
Flowers vivid yellow with deep pink lobes.
Raised by R.M. Withers. Introduced. Vireya Venue, Australia. Registered 1990 by G.L.S. Snell.
Rhododendron zoelleri 'The Teacher'
Flowers large, semi-double, pink flecked and edged deep pink.
Rhododendron zoelleri 'Tinkerbell's Flight'
R. loranthiflorum × R. laetum)
Flowers pale yellow with pale yellowish pink lobes.
Raised in 1989. Introduced Foothills Nursery, Australia in 1991 and registered by this nursery in 1992.
Rhododendron zoelleri 'Tropic Fanfare'
Seed parent R. javanicum, pollen parenty R. lochiae.
Flowers redddish orange.
Raised by D.B. Stanton, Australia. Introduced G.L.S. Snell, Australia and registered by him in 1982.
Rhododendron zoelleri 'Violacea'
Flowers large, double, violet purple.
Rhododendron zoelleri 'Violet Ray'
Sun Flowers semi-double, medium, violet.
Rhododendron zoelleri 'Wee Willie Winkie'
Seed parent R. macgregoriae, pollen parent R. stenophyllum.
Flowers bright reddish orange.
Raised by G.L.S. Snell, Australia. Introduced Foothills Nursery Australia 1990 and registered by same, 1991.
Rhododendron zoelleri 'White Bouquet'
Flowers semi-double, large, white.