Sibling Search

R. 'Thomwilliams Group'

(R. thomsonii ssp thomsonii ) X (R. williamsianum )

	Require Seed X Pollen in the Same Positions
	Require R. thomsonii ssp thomsonii
	Require R. williamsianum

Pages of Results:

R. 'Albert de Mezey' Rhododendron Hybrid R. williamsianum X ? Hybridized By: Vaartnou, H., 1975	More information
R. 'Adrastia Group' Rhododendron Cultivar group R. williamsianum X R. neriiflorum ssp neriiflorum Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1946 More information and pictures
R. 'Kimberly' Rhododendron Hybrid R. williamsianum X R. fortunei ssp fortunei Hybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1963 More information and pictures
R. 'Maureen' Rhododendron Hybrid R. williamsianum X R. 'Lem's Goal' Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1973 More information and pictures
R. 'Honingen' Rhododendron Hybrid R. williamsianum X R. oreodoxa var oreodoxa Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1965	More information
R. 'Grayswood Pink' Rhododendron Hybrid R. williamsianum X R. venator Hybridized By: Dowry, G. H., 1949	More information
R. 'Osmar' Rhododendron Hybrid R. williamsianum X ? Hybridized By: UK, No hybridizer registered, 1965 More information and pictures
R. 'Arthur J. Ivens' Rhododendron Hybrid R. williamsianum X R. fortunei ssp discolor Hybridized By: Ivens, 1932 More information and pictures
R. 'Nosutchianum' Rhododendron Hybrid R. williamsianum X ? Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1956 More information and pictures
R. 'Arab' Rhododendron Hybrid R. williamsianum X R. sperabile var sperabile Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1933	More information
R. 'White Pippin' Rhododendron Hybrid R. williamsianum X R. 'Olympic Lady Group' Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1954 More information and pictures
R. 'Whisperingrose' Rhododendron Hybrid R. williamsianum X R. 'Elizabeth Group' Hybridized By: Greer, Harold E.. Eugene, Oregon, USA, 1982	More information
R. 'Cowslip' Rhododendron Hybrid R. williamsianum X R. wardii var wardii Hybridized By: Aberconway, Lord. Bodnant, Tal-y-Cafn, Wales, 1930 More information and pictures
R. 'James Barto' Rhododendron Hybrid R. williamsianum X R. orbiculare ssp orbiculare Hybridized By: Barto, James. Eugene, Oregon, USA, 1958 More information and pictures
R. 'Ed Hillary' Rhododendron Hybrid R. williamsianum X R. grande Hybridized By: Campbell, B.W.. Ravensbourne, Dunedin, New Zealand, 1980	More information
R. 'Ruth Tracy' Rhododendron Hybrid R. williamsianum X R. 'Vera Elliott' Hybridized By: Elliott, W., 1980	More information
R. 'Jock' Rhododendron Hybrid R. williamsianum X R. griersonianum Hybridized By: Stirling-Maxwell, Sir John, 1939 More information and pictures
R. 'Colina' Rhododendron Hybrid R. williamsianum X R. Sir Charles Lemon Hybridized By: Goheen. Dr. David. Camas, Washington, USA, 1963	More information
R. 'Mary de Mezey' Rhododendron Hybrid R. williamsianum X R. wardii var wardii Hybridized By: Mezey de, A., 1975	More information
R. 'Earlybird' Rhododendron Hybrid R. williamsianum X R. oreodoxa var fargesii Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1959	More information
R. 'Dainty Jean' Rhododendron Hybrid R. williamsianum X R. 'Helene Schiffner' Hybridized By: The Bovees Nursery, 1962	More information
R. 'Moerheim's Pink' Rhododendron Hybrid R. williamsianum X R. 'Genoveva' Hybridized By: Hobbie, Dietrich G.. Westerstede/Linswege, Germany, 1945	More information
R. 'Mission Bells' Rhododendron Hybrid R. williamsianum X R. orbiculare ssp orbiculare Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1940 More information and pictures
R. 'Brickdust' Rhododendron Hybrid R. williamsianum X R. 'Dido Group' Hybridized By: Henny, Rudolph. Brooks, Oregon, USA, 1960 More information and pictures
R. 'Görlitz' Rhododendron Hybrid R. williamsianum X R. 'Rinaldo' Hybridized By: von Martin, V.. Rothenburg/Oberlausitz, Germany, 1964	More information
R. 'Easter Bells' Rhododendron Hybrid R. williamsianum X R. 'China Group' Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1966	More information
R. 'Aurora' Rhododendron Hybrid R. 'Kewense Group' X R. thomsonii ssp thomsonii Hybridized By: Gill, Richards & Sons. Penryn, Cornwall, England, 1922 More information and pictures
R. 'Nestor' Rhododendron Hybrid R. barbatum X R. thomsonii ssp thomsonii Hybridized By: Loder, Sir Edmund. Horsham, Sussex, England, 1969	More information
R. 'Pride of Leonardslee' Rhododendron Hybrid R. fortunei ssp fortunei X R. thomsonii ssp thomsonii Hybridized By: Loder, Sir Edmund. Horsham, Sussex, England, 1920 More information and pictures
R. 'Faltho' Rhododendron Hybrid R. falconeri ssp falconeri X R. thomsonii ssp thomsonii Hybridized By: Loder, Sir Giles. Cuckfield, West Sussex, England, 1954 More information and pictures
R. 'Adelaide' Rhododendron Hybrid R. 'Aurora' X R. thomsonii ssp thomsonii Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1930	More information
R. 'Surprise Group' Rhododendron Hybrid R. falconeri ssp falconeri X R. thomsonii ssp thomsonii Hybridized By: Waterer (Bagshot). Surrey, England, 1865	More information
R. 'Aurora Group' Rhododendron Cultivar group R. 'Kewense' X R. thomsonii ssp thomsonii Hybridized By: Gill, Richards & Sons. Penryn, Cornwall, England, 1922	More information
R. 'Adelaide Group' Rhododendron Cultivar group R. 'Aurora' X R. thomsonii ssp thomsonii Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1930	More information
R. 'J.E. Harris' Rhododendron Hybrid R. falconeri ssp falconeri X R. thomsonii ssp thomsonii Hybridized By: Harris, J.G.E., 1940	More information
R. 'Ascot Brilliant' Rhododendron Hybrid R. 'Blandyanum' X R. thomsonii ssp thomsonii Hybridized By: Standish, J.. Bagshot, Surrey, England, 1861 More information and pictures
R. 'Leonardslee Brilliant' Rhododendron Hybrid X R. thomsonii ssp thomsonii Hybridized By: Loder, Sir Edmund. Horsham, Sussex, England, 1920	More information
R. 'Lackamas Glory' Rhododendron Hybrid R. 'Earl of Athlone' X R. thomsonii ssp thomsonii Hybridized By: Lancaster, Ben, F.. Lackamas Gardens, Camas, Washington, USA, 1949	More information
R. 'Lady Montagu Group' Rhododendron Cultivar group R. griffithianum X R. thomsonii ssp thomsonii Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1931	More information
R. 'Rajah' Rhododendron Hybrid R. neriiflorum ssp neriiflorum Euchaites Group X R. thomsonii ssp thomsonii Hybridized By: Harrison, E.G.W.W.. Bodmin, Cornwall, England, 1961	More information
R. 'Royston Red' Rhododendron Hybrid R. forrestii Repens Group X R. thomsonii ssp thomsonii Hybridized By: Greig, E,J. & M.. Royston Nurseries, Vancouver Island, BC, Canada, 1970 More information and pictures
R. 'maximum x thomsonii' Rhododendron Hybrid R. maximum X R. thomsonii ssp thomsonii Hybridized By: No hybridiser registered	More information
R. 'Red Admiral' Rhododendron Hybrid R. arboreum ssp arboreum X R. thomsonii ssp thomsonii Hybridized By: Williams, John Charles. Caerhays, Cornwall, England, 1947	More information
R. 'Lady Montagu' Rhododendron Hybrid R. griffithianum X R. thomsonii ssp thomsonii Hybridized By: Rothschild, L. de. Founder of Exbury Gardens, UK, 1931	More information
R. 'Paul Vossberg' Rhododendron Hybrid R. maximum X R. thomsonii ssp thomsonii Hybridized By: Knippenberg, Mrs. J. F., 1975	More information
R. 'Charles Michael' Rhododendron Hybrid R. haematodes ssp haematodes X R. thomsonii ssp thomsonii Hybridized By: Williams, C., 1948	More information
R. 'Thomasine' Rhododendron Hybrid R. souliei X R. thomsonii ssp thomsonii Hybridized By: Clarke, S.R.. Borde Hill, West Sussex, England, 1931 More information and pictures
R. 'Fresh Heir' Rhododendron Hybrid R. maximum X R. thomsonii ssp thomsonii Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA	More information
R. 'Leonardslee Flame' Rhododendron Hybrid X R. thomsonii ssp thomsonii Hybridized By: Loder, Sir Edmund. Horsham, Sussex, England, 1920	More information
R. 'Richard Gill' Rhododendron Hybrid R. fortunei ssp fortunei X R. thomsonii ssp thomsonii Hybridized By: Gill, Richards & Sons. Penryn, Cornwall, England, 1920	More information
R. 'Glorious Lady' Rhododendron Hybrid R. thomsonii ssp thomsonii X R. 'Earl of Athlone' Hybridized By: Lem Halfdan. Seattle, Washington, USA, 1958	More information

Sibling Search

R. 'Thomwilliams Group'

(R. thomsonii ssp thomsonii ) X (R. williamsianum )

Next Page

R. 'Albert de Mezey'

Rhododendron Hybrid

R. williamsianum X ?

More information

R. 'Adrastia Group'

Rhododendron Cultivar group

R. williamsianum X R. neriiflorum ssp neriiflorum

R. 'Kimberly'

Rhododendron Hybrid

R. williamsianum X R. fortunei ssp fortunei

R. 'Maureen'

Rhododendron Hybrid

R. williamsianum X R. 'Lem's Goal'

R. 'Honingen'

Rhododendron Hybrid

R. williamsianum X R. oreodoxa var oreodoxa

More information

R. 'Grayswood Pink'

Rhododendron Hybrid

R. williamsianum X R. venator

More information

R. 'Osmar'

Rhododendron Hybrid

R. williamsianum X ?

R. 'Arthur J. Ivens'

Rhododendron Hybrid

R. williamsianum X R. fortunei ssp discolor

R. 'Nosutchianum'

Rhododendron Hybrid

R. williamsianum X ?

R. 'Arab'

Rhododendron Hybrid

R. williamsianum X R. sperabile var sperabile

More information

R. 'White Pippin'

Rhododendron Hybrid

R. williamsianum X R. 'Olympic Lady Group'

R. 'Whisperingrose'

Rhododendron Hybrid

R. williamsianum X R. 'Elizabeth Group'

More information

R. 'Cowslip'

Rhododendron Hybrid

R. williamsianum X R. wardii var wardii

R. 'James Barto'

Rhododendron Hybrid

R. williamsianum X R. orbiculare ssp orbiculare

R. 'Ed Hillary'

Rhododendron Hybrid

R. williamsianum X R. grande

More information

R. 'Ruth Tracy'

Rhododendron Hybrid

R. williamsianum X R. 'Vera Elliott'

More information

R. 'Jock'

Rhododendron Hybrid

R. williamsianum X R. griersonianum

R. 'Colina'

Rhododendron Hybrid

R. williamsianum X R. Sir Charles Lemon

More information

R. 'Mary de Mezey'

Rhododendron Hybrid

R. williamsianum X R. wardii var wardii

More information

R. 'Earlybird'

Rhododendron Hybrid

R. williamsianum X R. oreodoxa var fargesii

More information

R. 'Dainty Jean'

Rhododendron Hybrid

R. williamsianum X R. 'Helene Schiffner'

More information

R. 'Moerheim's Pink'

Rhododendron Hybrid