Index

R. 'Tombola'

Rhododendron Hybrid

? X ?

Hybridized By: Boskoop. Research Center fo Arboreus Crops, Netherlands

R. 'Tomboy'

Azalea Hybrid

R. 'Lilacinum x Willy' X R. 'Mrs Carmichael'

Hybridized By: Morrison, B.Y. | Pass Christian, Mississippi | USA, 1948

R. 'Tomeka'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. tomentosum

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Ledum

R. 'Tomyris'

Rhododendron Hybrid

? X ?

Hybridized By: Magor, E.W.M.

R. 'Tondelaya'

Rhododendron Hybrid

R. ponticum X R. brachycarpum ssp brachycarpum

Hybridized By: No hybridiser registered

R. 'Tonga'

Azalea Hybrid

? X ?

Hybridized By: Baldsiefen, Warren | Bellvale, New York | USA

R. 'Tonika'

Rhododendron Hybrid

R. 'Lee's Best Purple' X R. 'Purple Splendour'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1979

R. 'Tonto Bob'

Rhododendron Hybrid

R. 'Orange Marmalade' X R. 'Brigadoon'

Hybridized By: Minch, F.. Puyallup, Washington, USA, 1989

R. 'Tony'

Rhododendron Hybrid

R. 'Boule de Neige' X ?

Hybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1955

R. 'Tony Danvolgyi'

Rhododendron Hybrid

? X ?

Hybridized By: Stockman, M.. Port Angeles, Washington, USA

R. 'Tony Magallon'

Rhododendron Hybrid

? X ?

Hybridized By: Griswold, Mrs. W.L. (Doris). Krikland, WA, USA, 1969

R. 'Tony's Gift'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. 'Belle Heller'

Hybridized By: Shammarello, A.M. Euclid, Ohio, USA, 1974

R. 'Tony's Gift x Serenata'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Too Bee'

Rhododendron Hybrid

R. campylogynum 'Patricia' X R. keiskei var ozawae 'Yaku Fairy'

Hybridized By: Berg, Warren. Port Ludlow, Washington, USA, 1972

R. 'Toodeloo'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Tootie Flutey'

Rhododendron Hybrid

? X ?

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1992

R. 'Tootsie'

Azalea Hybrid

? X ?

Hybridized By: Hachmann, Hans | Barmstedt in Holstein | Germany, 2004

R. 'Top Banana'

Rhododendron Hybrid

? X ?

Hybridized By: Whitney, William E.. Brinnon, Washington, USA, 1977

R. 'Top Banana x brachycarpum ssp tigerstedtii'

Rhododendron Hybrid

R. 'Top Banana' X R. brachycarpum ssp tigerstedtii

Hybridized By: No hybridiser registered

R. 'Top Banana x viscidifolium'

Rhododendron Hybrid

X R. viscidifolium

Hybridized By: No hybridiser registered

R. 'Top Dog'

Rhododendron Hybrid

R. 'Ronald Otto Delp' X R. 'Dead Ringer'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1992

R. 'Top Hat'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Topaz'

Rhododendron Hybrid

X

Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1962

R. 'Topcoat'

Rhododendron Hybrid

R. 'Mary Belle' X R. 'Canary Islands'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1995

R. 'Tops of Kew'

Vireya Hybrid

X R. zoelleri

Hybridized By: Unknown

R. 'Topsvoort Pearl'

Rhododendron Hybrid

R. 'Pink Pearl' X ?

Hybridized By: Topsvoort Nursery, 1935

R. 'Topsy'

Rhododendron Hybrid

? X ?

Hybridized By: May, J., 1969

R. 'Topsy Turvy'

Rhododendron Hybrid

R. 'Scott David' X R. 'Double Faced'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1977

R. 'Torcia'

Azalea Hybrid

? X ?

Hybridized By: Childers, A.A & M.

R. 'Toreador'

Rhododendron Hybrid

R. 'Arthur Osborn' X R. griersonianum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1933

R. 'Toreador'

Azalea Hybrid

? X ?

Hybridized By: Wuyts, O.F., 1968

R. 'Toreador Group'

Rhododendron Cultivar group

R. 'Arthur Osborn' X R. griersonianum

Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1933

R. 'Torero'

Rhododendron Hybrid

R. 'Oratorium' X R. 'Feuerschein'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1976

R. 'Torlonianum'

Azaleodendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Tornado'

Rhododendron Hybrid

R. 'Wilgen's Ruby x May Day Group' X R. 'Billy Budd'

Hybridized By: Boskoop. Research Center fo Arboreus Crops, Netherlands, 1978

R. 'Tornella'

Azalea Hybrid

R. 'Nordia' X R. 'Johanna'

Hybridized By: Hachmann, Hans | Barmstedt in Holstein | Germany, 1976

R. 'Toronto'

Rhododendron Hybrid

R. 'Janet Blair' X R. smirnowii

Hybridized By: Brueckner, J.B.. Mississauga, Ontario, Canada, 1978

R. torquescens

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Taliensia

R. 'Torrid Affair'

Vireya Hybrid

X R. brookeanum ssp brookeanum

Hybridized By: Unknown

R. 'Torridon'

Azalea Hybrid

R. viscosum X R. 'Rosella'

Hybridized By: Millais Nurseries, 1993

R. 'Tortoiseshell Biscuit'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Tortoiseshell Orange'

Rhododendron Hybrid

R. 'Goldsworth Orange' X R. griersonianum

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1954

R. 'Tortoiseshell Salome'

Rhododendron Hybrid

R. 'Goldsworth Orange' X R. griersonianum

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1946

R. 'Tortoiseshell Scarlet'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Tortoiseshell Wonder'

Rhododendron Hybrid

R. 'Goldsworth Orange' X R. griersonianum

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1945

R. tosaense

Species

Subgenus: Tsutsusi
Section: Tsutsusi

R. tosaense 'Barbara'

Azalea Species Selection

Selected By: Hilliers, 1957

Subgenus: Tsutsusi
Section: Tsutsusi

R. tosaense 'Ralph Clarke'

Azalea Species Selection

Selected By: Clarke, S.R. , Borde Hill, West Sussex , England, 1978

Subgenus: Tsutsusi
Section: Tsutsusi

R. 'Tosca'

Rhododendron Hybrid

? X ?

Hybridized By: Hanger, F.E.W.. RHS Garden, Wisley, Surrey, England, 1948

R. 'Tosca's Kiss'

Vireya Hybrid

X

Hybridized By: Unknown