Index

R. 'The Moor'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Painted Lady'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Pearl'

Rhododendron Hybrid

? X ?

Hybridized By: Standish, J.. Bagshot, Surrey, England, 1870

R. 'The Pink Ribbons'

Rhododendron Hybrid

R. 'Paprika Spiced' X R. 'Jezebel'

Hybridized By: Cockeram, Eugene, 1995

R. 'The Porcupine'

Rhododendron Hybrid

R. degronianum ssp degronianum X R. makinoi

Hybridized By: Harvey, M.J., 1986

R. 'The Princess'

Rhododendron Hybrid

? X ?

Hybridized By: Noble, C.. Standish & Noble, Bagshot, Surrey, England, 1862

R. 'The Queen'

Vireya Hybrid

X R. javanicum ssp teysmannii

Hybridized By: Unknown

R. 'The Queen Mother'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Racer'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Rowland'

Rhododendron Hybrid

? X ?

Hybridized By: Cowles, J.C.. Stow, MA (superintendent of Dexter Estate 1959-1967), USA, 1970

R. 'The Sorcerer's Apprentice'

Vireya Hybrid

X R. konori var konori

Hybridized By: Unknown

R. 'The Teacher'

Azalea Hybrid

? X ?

Hybridized By: Taylor, G.

R. 'The Vestal'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Village Maid'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Virgin'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'The Warrior'

Rhododendron Hybrid

R. arboreum ssp arboreum X ?

Hybridized By: Waterer, A.. Woking, Surrey, UK, 1865

R. 'Thea Ann'

Rhododendron Hybrid

? X ?

Hybridized By: Cowles, J.C.. Stow, MA (superintendent of Dexter Estate 1959-1967), USA

R. 'Theale'

Rhododendron Hybrid

? X ?

Hybridized By: Crown Estate Commissioners. Windsor, Berkshire, England

R. 'Thelma'

Rhododendron Hybrid

? X ?

Hybridized By: Lem Halfdan. Seattle, Washington, USA

R. 'Thelma Bray'

Azalea Hybrid

? X ?

Hybridized By: Greentree, M.E.

R. 'Theo'

Azalea Hybrid

? X ?

Hybridized By: Stahnke, 1994

R. 'Theo'

Azalea Hybrid

R. alabamense X R. molle ssp japonicum

Hybridized By: Hiers, C. J. | Auburn, Alabama | USA

R. 'Theodor Findeisen'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Theresa Group'

Rhododendron Cultivar group

R. 'Romany Chal Group' X R. griersonianum

Hybridized By: Stavordale, Lord, 1950

R. 'Thesla'

Azalea Hybrid

R. 'Sankt Valentin' X R. 'Mevrouw Gerard Kint'

Hybridized By: Boone, D., 1990

R. 'Thetis'

Vireya Hybrid

R. javanicum ssp javanicum X

Hybridized By: Unknown

R. 'Thicket'

Rhododendron Hybrid

? X ?

Hybridized By: Crown Estate Commissioners. Windsor, Berkshire, England

R. 'Thief of Hearts'

Vireya Hybrid

R. viriosum X R. solitarium

Hybridized By: Unknown

R. 'Thierry'

Azalea Hybrid

? X ?

Hybridized By: Unknown

R. 'Thirtieth of June'

Vireya Hybrid

R. leucogigas X

Hybridized By: Unknown

R. 'Tholasma'

Rhododendron Hybrid

R. degronianum ssp yakushimanum 'Exbury Yakushimanum' X R. lanatum

Hybridized By: Kuhn, H.. Muttontown, New York, USA, 1992

R. 'Thomaleum Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii X R. sanguineum ssp sanguineum var haemaleum

Hybridized By: Ingram, C.. Benenden, Kent, England, 1948

R. 'Thomas Becket'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Thomas Le Duigou'

Rhododendron Hybrid

R. 'Double Date' X R. 'Karen Triplett'

Hybridized By: Le Duigou, L., 2000

R. 'Thomas Newcomber'

Azalea Hybrid

? X ?

Hybridized By: Kersbergen, Gebr.

R. 'Thomas Rose'

Azalea Hybrid

? X ?

Hybridized By: Reid, G.A.

R. 'Thomasine'

Rhododendron Hybrid

R. souliei X R. thomsonii ssp thomsonii

Hybridized By: Clarke, S.R.. Borde Hill, West Sussex, England, 1931

R. 'Thomdeton Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii X R. detonsum

Hybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England, 1921

R. thomsonii ssp lopsangianum

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Thomsonia

R. thomsonii ssp thomsonii

Species

Subgenus: Hymenanthes
Section: Pontica
Subsection: Thomsonia

R. thomsonii ssp thomsonii 'Grandiflorum'

Rhododendron Species Selection

Selected By: Reuthe, G. Ltd , Ightham, Kent , England, 1909

Subgenus: Hymenanthes
Section: Pontica
Subsection: Thomsonia

R. thomsonii var album

Species

R. 'Thomwilliams Group'

Rhododendron Cultivar group

R. thomsonii ssp thomsonii X R. williamsianum

Hybridized By: Magor, E.J.P.. Lamellan, St. Tudy, Cornwall, England, 1921

R. 'Thor'

Rhododendron Hybrid

R. haematodes ssp haematodes X R. 'Felis'

Hybridized By: Brandt, Lester E.. Tacoma, Washington, USA, 1961

R. 'Three Bells'

Vireya Hybrid

X R. bagobonum

Hybridized By: Unknown

R. 'Thrills'

Rhododendron Hybrid

R. 'Freckle Pink' X R. 'Apricot Gold'

Hybridized By: Van de Ven K.. Olinda, Victoria, Australia, 1986

R. 'Throstle'

Rhododendron Hybrid

R. oreodoxa var fargesii X R. morii

Hybridized By: Ingram, C.. Benenden, Kent, England, 1970

R. 'Thunder'

Rhododendron Hybrid

R. 'PJM Group' X ?

Hybridized By: Mezitt, E.V.. Weston Nurseries, Hopkinton, Massachusetts, USA, 1971

R. 'Thunderstorm'

Rhododendron Hybrid

R. 'Doncaster' X ?

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1930

R. thymifolium

Species

Subgenus: Rhododendron
Section: Rhododendron
Subsection: Lapponica

R. 'Thérčse'

Azalea Hybrid

? X ?

Hybridized By: Unknown