Index

R. 'Burton'

Azalea Hybrid

? X ?

Hybridized By: Pratt, M.C., 1986

R. burttii

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. buruense

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. 'Bush's Bush'

Rhododendron Hybrid

R. 'Murray's Pink' X R. 'Roy Stockman'

Hybridized By: Stockman, M.. Port Angeles, Washington, USA, 1993

R. 'Bustard Group'

Rhododendron Cultivar group

? X ?

Hybridized By: Unknown

R. 'Busty Trusses'

Rhododendron Hybrid

? X ?

Hybridized By: Unknown

R. 'Busuki'

Rhododendron Hybrid

R. 'Tarantella' X R. 'Small Wonder'

Hybridized By: Hachmann, Hans. Barmstedt in Holstein, Germany, 1986

R. 'Butler Port'

Rhododendron Hybrid

? X ?

Hybridized By: Pride, O.S.. Butler, Pennsylvania, USA

R. 'Butter and Eggs'

Rhododendron Hybrid

? X ?

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

R. 'Butter Brickle'

Rhododendron Hybrid

R. 'Hotei' X R. 'Lem's Cameo'

Hybridized By: Lofthouse, J.G.. Vancouver, British Columbia, Canada, 1982

R. 'Butter Brickle x September Song'

Rhododendron Hybrid

R. 'Butter Brickle' X R. 'September Song'

Hybridized By: Unknown

R. 'Butter Brickle x Sunup-Sundown'

Rhododendron Hybrid

R. 'Butter Brickle' X R. 'Sunup-Sundown'

Hybridized By: No hybridiser registered

R. 'Butter Rum'

Rhododendron Hybrid

R. 'Janet Blair' X R. 'Nancy Evans X Whopper x Brandt's Tropicana'

Hybridized By: Smith, J.S., 1999

R. 'Butter Yellow'

Rhododendron Hybrid

R. 'Crest' X R. 'Golden Yellow'

Hybridized By: Hill, W.. Poulsbo, Washington, USA, 1985

R. 'Butterball'

Rhododendron Hybrid

R. xanthostephanum X R. triflorum var triflorum

Hybridized By: Greig, E.J.. Royston Nurseries, Vancouver Island, BC, Canada, 1968

R. 'Buttercup'

Azalea Hybrid

? X ?

Hybridized By: Waterer (Bagshot) | Surrey | England, 1939

R. 'Buttered Popcorn'

Rhododendron Hybrid

X

Hybridized By: Larson, H.L.. Tacoma, Washington, USA, 1988

R. 'Butterfly'

Rhododendron Hybrid

R. campylocarpum ssp campylocarpum X R. 'Mrs Millner'

Hybridized By: Slocock, Walter C.. Goldsworth Nursery, Woking, UK, 1931

R. 'Butterfly'

Azalea Hybrid

? X ?

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

R. 'Butterhorn'

Rhododendron Hybrid

R. 'Eldorado Group' X R. dalhousiae var rhabdotum

Hybridized By: Scott, R.W.

R. 'Buttermaid'

Vireya Hybrid

R. aurigeranum ssp aurigeranum X R. macgregoriae

Hybridized By: Jury, M., 1988

R. 'Buttermilk'

Vireya Hybrid

R. konori var konori X R. aurigeranum ssp aurigeranum

Hybridized By: Rouse, J.L.. Toorak, Victoria, Australia, 1980

R. 'Buttermint'

Rhododendron Hybrid

R. 'Unique' X R. 'Fabia Group x dichroanthum ssp apodectum'

Hybridized By: Mauritsen, Richard. Kent, Washington, USA, 1960

R. 'Butterscotch Brandy'

Rhododendron Hybrid

? X ?

Hybridized By: Wallace, Don S.. McKinleyville, California, USA, 2003

R. buxifolium

Species

Subgenus: Rhododendron
Section: Vireya
Subsection: Euvireya

R. buxoides

Species

Subgenus: Rhododendron
Section: Discovireya

R. 'Buzzard'

Azalea Hybrid

? X ?

Hybridized By: Waterer, H. (Knaphill) | Woking, Surrey (Knaphill) | UK, 1947

R. 'Buzzer'

Rhododendron Hybrid

R. 'Ice Cube' X R. 'Delp's Cindy Lou'

Hybridized By: Delp Weldon E.. Harrisville, Pensylvania, USA, 1974

R. 'Buzzer Beater'

Rhododendron Hybrid

R. catawbiense 'Catalgla' X R. 'Jalisco Group x yakushimanum'

Hybridized By: Mehlquist, G.A.L. Storrs, Connecticut, USA, 1965

R. 'Bylsianum'

Rhododendron Hybrid

? X ?

Hybridized By: Byls, J., 1857

R. 'Bylsianum'

Azalea Hybrid

? X ?

Hybridized By: Byls, J.

R. 'Byron Bay'

Vireya Hybrid

X

Hybridized By: Unknown

R. 'Bzzz Bee'

Rhododendron Hybrid

R. 'Blimey Limey' X R. 'Galacci's Gold'

Hybridized By: Stockman M. & H., 1993

R. 'Böhlje's Lachsorange'

Rhododendron Hybrid

? X ?

Hybridized By: Böhlje G. D.. Westerstede, Germany

R. 'Böhljes Sämling'

Rhododendron Hybrid

? X ?

Hybridized By: Böhlje G. D.. Westerstede, Germany

R. 'Bče'

Azalea Hybrid

? X ?

Hybridized By: Fratelli Savioli