R. aberconwayi.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States R. adenosum white.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. adinophyllum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. alutaccum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. anwheiense.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. anwheiense.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. arboreum 'Bhutan'.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. arboreum 'David Barnes'.jpg; 6MAY2008; Glenwhan Gardens, Dunragit, Scotland R. arboreum cinnamoneum.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. arboreum ssp. arboreum 'Rubaiyat'.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. arboreum ssp. cinnamomeum var. roseum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. arboreum ssp. cinnamomeum.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. arboreum ssp. cinnamomeum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. arboreum ssp. cinnamoneum.jpg; 9MAY2008; Silverwells Garden, Coldingham, Scotland R. arboreum var. roseum.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. arboreum ssp. zeylanicum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. arboreum wellesianum.jpg; 23May2005; RBG Kew Gardens, London, England R. arboreum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. arboreum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. argyrophyllum nankingense.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. argyrophyllum ssp. nankingense.jpg; 30APR2005; Weesjes Garden, North Saanich, British Columbia, Canada R. argyrophyllum-2.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. argyrophyllum-3.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. argyrophyllum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. argyrophyllum.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. arizelum.jpg; 19May2005; RBG Benmore, Argyll, Scotland R. atlanticum.jpg; 16MAY2010; Brack Garden, Nisseuogue, Long Island, NY, United States R. augustinii Blue Cloud.jpg; 14APR2007; Bay Laurel Nursery, Santa Cruz, California, United States R. augustinii Lavender Lady.jpg; 30APR2005; Weesjes Garden, North Saanich, British Columbia, Canada R. augustinii Marine.jpg; 14APR2007; Bay Laurel Nursery, Santa Cruz, California, United States R. augustinii Marine.jpg; 30APR2005; Weesjes Garden, North Saanich, British Columbia, Canada R. augustinii Peter Kerr.jpg; 1MAY2005; deWeese Garden, Duncan, British Columbia, Canada R. augustinii Royston Blue-3.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. augustinii Royston Blue.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. augustinii ssp. chasmanthum.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. augustinii ssp. chasmanthum-2.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. augustinii ssp. chasmanthum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. augustinii-2.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. augustinii-2.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States R. augustinii-3.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States R. augustinii.jpg; 16May2005; Branklyn Gardens, Perth, Scotland R. augustinii.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. augustinii.jpg; 19May2005; Crarae Garden, Argyll, Scotland R. augustinii.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. augustinii.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. augustinii.jpg; 3MAY2009; Private Gardens, Olympia, Washington, United States R. augustinii.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. augustinii.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States R. aureum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. auritum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. austrinum.jpg; 11MAY2003; Oregon Botanical Garden, Silverton Oregon, United States R. austrinum.jpg; 18MAY2009; Van Veen Nursery, Portland, Oregon, United States
R. basilicum.jpg; 29May2005; Savill Garden, Windsor, England R. beanianum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. bureavii.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. burmanicum 'Elizabeth David'.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. burmanicum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. burmanicum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. burmanicum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. burmanicum.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland
R. caesium.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. calendulaceum.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. calendulaceum.jpg; 15MAY2010; Murcott Garden, East Norwich, Long Island, NY, United States R. calendulaceum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. callimorphum.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. calophytum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. calostrotum ssp. riparioides.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. calostrotum ssp. keleticum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. calostrotum ssp. keleticum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. campanulatum 'Graham Thomas'.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. campanulatum 'Roland Cooper'.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. campanulatum 'Roland Cooper'.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. campanulatum 'Waxen Bell'.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. campanulatum.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. campanulatum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. campanulatum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. campanulatum.jpg; 9MAY2008; Silverwells Garden, Coldingham, Scotland R. campyloarpum ssp. caloxanthum.jpg; 2MAY2003; Private Gardens, Olympia, Washington, United States R. campyloarpum ssp. caloxanthum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. campylocarpum ssp. caloxanthum.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. campylocarpum.jpg; 10MAY2008; Branklyn Garden, Perth, Scotland R. campylocarpum.jpg; 16May2005; Branklyn Gardens, Perth, Scotland R. campylogynum Myrtilliodes.jpg; 26May2005; RHS Chelsea, London, England R. camtschaticum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. canadense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. catacosmum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. catacosmum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. catawbiense-2.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. catawbiense-3.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. catawbiense.jpg; 14MAY2006; Reiley Ridge Nursery, Woodsboro, Maryland, United States R. catawbiense.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. cerasinum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. chamaethompsonii.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. charitopes.jpg; 10MAY2008; Branklyn Garden, Perth, Scotland R. chasmanthum.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. ciliatum.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. cinnabaranum.jpg; 9MAY2008; Silverwells Garden, Coldingham, Scotland R. cinnabarinum 'Bodnant'.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. cinnabarinum 'Mount Everest'.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. cinnabarinum cinnabarinum.jpg; 19May2005; RBG Benmore, Argyll, Scotland R. cinnabarinum purpurellum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. cinnabarinum ssp. xanthocodon.jpg; 28APR2005; Horticulture Centre of the Pacific, Victoria, British Columbia, Canada R. cinnabarinum ssp. xanthocodon.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. cinnabarinum xanthocodon.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. citroniflorum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. clementinae.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. concinnum pseudoyanthinum.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. concinnum pseudoyanthinum.jpg; 30APR2005; Weesjes Garden, North Saanich, British Columbia, Canada R. concinnum.jpg; 2MAY2009; Private Gardens, Olympia, Washington, United States R. coriaceum.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. crinigerum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. cuneatum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland
R. dasypetalum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. davidsonianum-2.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. davidsonianum.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. davidsonianum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. davidsonianum.jpg; 6MAY2008; Glenwhan Gardens, Dunragit, Scotland R. decorum ssp. decorum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. decorum-2.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. decorum-2.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. decorum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. decorum.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. decorum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. decorum.jpg; 25APR2007; Van Veen Nursery, Portland, Oregon, United States R. decorum.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. decorum.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. degronianum ssp. degronianum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. degronianum ssp. degronianum 'Oak Island'.jpg; 5MAY2006; Jenkins Arboretum, Devon, Pennsylvania, United States R. degronianum ssp. degronianum.jpg; 15MAY2010; Waldman Garden, Dix Hills, Long Island, NY, United States R. degronianum ssp. degronianum.jpg; 18MAY2009; Crystal Springs Park, Portland, Oregon, United States R. degronianum ssp. degronianum.jpg; 25APR2007; Crystal Springs Park, Portland, Oregon, United States R. degronianum ssp. degronianum.jpg; 2MAY2003; Private Gardens, Olympia, Washington, United States R. degronianum ssp. heptamereum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. degronianum ssp. heptamerum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. degronianum ssp. yakushimanum.jpg; 30APR2005; Weesjes Garden, North Saanich, British Columbia, Canada R. degronianum ssp. yakushimanum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. degronianum ssp. yakushimanum 'Exbury'.jpg; 18MAY2009; Van Veen Nursery, Portland, Oregon, United States R. degronianum ssp. yakushimanum Phetteplace.jpg; 25APR2007; Van Veen Nursery, Portland, Oregon, United States R. degronianum ssp. yakushimanum.jpg; 15MAY2010; Waldman Garden, Dix Hills, Long Island, NY, United States R. degronianum ssp. yakushimanum.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. degronianum ssp. yakushimanum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. degronianum ssp. yakushimanum 'Exbury'-2.jpg; 18MAY2009; Van Veen Nursery, Portland, Oregon, United States R. degronianum.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. dendricola.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand R. denudatum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. detonsum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. dianthosmum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. dichroanthum 'Maskarill'.jpg; 22MAY2010; Rhodo 2010, Westerstede, Germany R. dichroanthum ssp. scyphocalyx.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany
R. edgarianum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. edgeworthii.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. edgeworthii.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. elliottii.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. elliottii.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand R. eudoxum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland
R. faberi prattii.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. faberi.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. faberi.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. falconeri.jpg; 15APR2007; Sonoma Hort. Nursery & Gardens, Sonoma, California, United States R. falconeri.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. fastigiatum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. fastigiatum.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. fastigiatum.jpg; 28APR2005; Horticulture Centre of the Pacific, Victoria, British Columbia, Canada R. flammeum (az).jpg; 5MAY2006; Jenkins Arboretum, Devon, Pennsylvania, United States R. fletcherianum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. floribundum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. formosum var. inaequale.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand R. formosum-2.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. formosum-3.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. formosum.jpg; 12APR2007; Strybing Arboretum, San Francisco, California, United States R. formosum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. formosum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. formosum.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. fortunei ssp. fortunei.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. fortunei.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. fortunei.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. fortunei ssp. discolor.jpg; 25APR2007; Crystal Springs Park, Portland, Oregon, United States R. fragrantissimum 'Sesterianum'.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland
R. galactinum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. galactinum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. gardenia.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. genesterianum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. glaucophyllum glaucophyllum.jpg; 19May2005; RBG Benmore, Argyll, Scotland R. glaucophyllum tubiforme.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. grande-2.jpg; 6MAY2008; Logan House, Port Logan, Scotland R. grande.jpg; 6MAY2008; Logan House, Port Logan, Scotland R. griffithianum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. griffithianum.jpg; 19May2005; RBG Benmore, Argyll, Scotland R. griffithianum.jpg; 30APR2005; Trelawny Garden, Deep Cove, British Columbia, Canada R. gynocarpum.jpg; 3MAY2009; Private Gardens, Olympia, Washington, United States
R. habrotrichum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. haematodes ssp. chaetomallum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. haematodes.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. haematodes.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. haemotodes.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. hippophaeoides var. hippophaeoides.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. hippophaeoides.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. hirsutum 'Flore Plena'.jpg; 10MAY2008; Branklyn Garden, Perth, Scotland R. hodgsonii.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. hyperythrum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. hyperythrum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. hyperythrum.jpg; 9MAY2008; Manderston Garden, Duns, Scotland
R. impeditum Indigo.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. impeditum.jpg; 29APR2005; Campbell Garden, Shawnigan, British Columbia, Canada R. impeditum.jpg; 9MAY2008; Silverwells Garden, Coldingham, Scotland R. inundatum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. irroratum ssp. ningyuenense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. irroratum ssp. pogonostylum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland
R. japonicum 'Golden Mokkaido'.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. jasminiflorum.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand R. jasminiflorum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. jasminiflorum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. javanicum ssp. kinabaluense-2.jpg; 13APR2007; Lakeside Park, Oakland, California, United States R. javanicum ssp. kinabaluense.jpg; 13APR2007; Lakeside Park, Oakland, California, United States R. johnstoneanum.jpg; 12APR2007; Strybing Arboretum, San Francisco, California, United States R. johnstoneanum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. johnstoneanum.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland
R. kaempferi.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. keiskei.jpg; 25APR2007; Crystal Springs Park, Portland, Oregon, United States R. kendrickii.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. kesangiae.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. kiusianum 'Murasake Shikibu'-2.jpg; 13MAY2006; Brookside Gardens, Wheaton, Maryland, United States R. kiusianum 'Murasake Shikibu'.jpg; 13MAY2006; Brookside Gardens, Wheaton, Maryland, United States R. kiusianum.jpg; 15MAY2010; Waldman Garden, Dix Hills, Long Island, NY, United States R. kiusianum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. kiusianum.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand R. kiusianum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. konori var. phaeopeplum.jpg; 13APR2007; Lakeside Park, Oakland, California, United States R. kyawii-2.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. kyawii.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States
R. lacteum-2.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. lacteum-3.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. lacteum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. lacteum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. lanatum.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. lindleyi.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. lindleyi.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. lindleyii.jpg; 27APR2005; Morrison Garden, Victoria, British Columbia, Canada R. loranthiflorum 'Dick Shaw'.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. ludwigianum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. luteum 'Golden Comet'.jpg; 3MAY2009; Private Gardens, Olympia, Washington, United States R. luteum-2.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. luteum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. luteum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. luteum.jpg; 28APR2005; Government. House Gardens, Victoria, British Columbia, Canada R. luteum.jpg; 28APR2005; Horticulture Centre of the Pacific, Victoria, British Columbia, Canada R. luteum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. luteum.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States R. luteum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland
R. macabeanum.jpg; 12APR2007; Strybing Arboretum, San Francisco, California, United States R. macabeanum.jpg; 6MAY2008; Logan House, Port Logan, Scotland R. macgregoriae.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. macgregoriae.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. macrophyllum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. maddenii crassum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. maddenii.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. maddenii.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. makinoi-2.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. makinoi.jpg; 16May2005; Glendoick Gardens, Perth, Scotland R. makinoi.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. micranthum.jpg; 25MAY2010; Hachmann Nursery, Barmstedt, Germany R. microgynum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. microgynum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. mimetes var. mimetes.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. mimetes.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. minus var. minus 'Album'.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. molle japonicum.jpg; 19May2005; RBG Benmore, Argyll, Scotland R. molle ssp. japonicum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. molle ssp. japonicum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. molle.jpg; 23MAY2010; Park of the Gardens, Bad Zwischenahn, Germany R. morii.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. morii.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. mucronatum.jpg; 14APR2007; Bay Laurel Nursery, Santa Cruz, California, United States R. mucronatum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. myrtilloides.jpg; 25MAY2010; Hachmann Nursery, Barmstedt, Germany
R. neriiflorum ssp. neriiflorum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. neriiflorum ssp. neriiflorum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. neriiflorum.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. niveum.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. niveum.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. nuttallii.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States
R. occidentale.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. occidentale.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. occidentale.jpg; 25APR2007; Crystal Springs Park, Portland, Oregon, United States R. occidentale.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. occidentale.jpg; 5MAY2012; Stelloh Garden, Hendersonville, North Carolina, United States R. ochraceum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. orbiculare ssp. orbiculare-2.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. orbiculare ssp. orbiculare.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. orbiculare ssp. orbiculare.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. orbiculare.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. orbiculare.jpg; 30APR2005; Weesjes Garden, North Saanich, British Columbia, Canada R. oreodoxa var. fargesii.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. oreotrephes.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. oreotrephes.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. orthocladum vara. microleucum.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. orthocladum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland
R. pachypodum.jpg; 20May2005; Brodick Castle & Gardens, Isle of Arran, Scotland R. parmulatum.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. pemakoense.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. pemakoense.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. periclymenoides (az).jpg; 5MAY2006; Jenkins Arboretum, Devon, Pennsylvania, United States R. periclymenoides-2.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. periclymenoides.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. periclymenoides.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. pingianum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. planecostatum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. polyanthemum 'Argent'.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. polyanthemum 'Sheila Collanette'.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. polycladum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. polycladum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. ponticum 'variegata'.jpg; 24MAY2010; Hobbie Rhododendronpark, Linswege, Germany R. ponticum 'Variegatum'.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. ponticum var. variegated.jpg; 18MAY2009; Crystal Springs Park, Portland, Oregon, United States R. ponticum var. variegatum.jpg; 3MAY2009; Private Gardens, Olympia, Washington, United States R. ponticum.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. ponticum.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. ponticum.jpg; 28APR2005; Finnerty Gardens, U of Vict., Victoria, British Columbia, Canada R. preptum-2.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. preptum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. primuliflorum.jpg; 16May2005; Branklyn Gardens, Perth, Scotland R. prinophyllum.jpg; 10MAY2008; Branklyn Garden, Perth, Scotland R. prinophyllum.jpg; 15MAY2006; Blue Ridge Parkway, Peaks of Otter, Virginia, United States R. prinopyllum.jpg; 16May2005; Branklyn Gardens, Perth, Scotland R. protistum Giganteum Gibsons.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. pseudochrysanthum-2.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. pseudochrysanthum-3.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. pseudochrysanthum-4.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. pseudochrysanthum.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. pseudochrysanthum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States
R. quadrasianum malindangense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland
R. racemosum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. reticulatum var. wadanum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. retusum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. rex ssp. rex 'Quartz'-2.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. rex ssp. rex 'Quartz'.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. rex ssp. fictolacteum.jpg; 10MAY2008; Branklyn Garden, Perth, Scotland R. rex ssp. fictolacteum.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. rex ssp. fictolacteum.jpg; 1MAY2009; Meerkerk Gardens, Whidbey Island, Washington, United States R. rigidum Alba.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. rigidum.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. rigidum.jpg; 24OCT2012; Hamilton Gardens, Hamilton, New Zealand R. roxieanum var. oreonastes.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. roxieanum var. oreonastes.jpg; 3MAY2009; Private Gardens, Olympia, Washington, United States R. roxieanum.jpg; 8MAY2008; RBG Dawyck, Stobo, Scotland R. rubiginosum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. rubiginosum.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand R. rubiginosum.jpg; 1MAY2005; deWeese Garden, Duncan, British Columbia, Canada R. rupicola var. chryseum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. rupicola var. rupicola.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. rupicola.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. russatum.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. russatum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland
R. saluenense ssp. chameunum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. saluenense.jpg; 16May2005; Branklyn Gardens, Perth, Scotland R. saluense ssp. saluense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. sanguineum var. didymoides.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. sanguineum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. sanguineum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. sargentianum 'Yellow'.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. scabrifolium var. spiciferum.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. schlippenbachii-2.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. schlippenbachii.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. schlippenbachii.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. scopulorum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. scopulorum.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. searsiae.jpg; 8MAY2008; RBG Dawyck, Stobo, Scotland R. selense ssp. dasycladum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. selense ssp. jucundum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. semnoides.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. siderophyllum.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. sinogrande.jpg; 27APR2005; Morrison Garden, Victoria, British Columbia, Canada R. smirnowii hybrid.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. smirnowii.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. smirnowii.jpg; 2MAY2003; Private Gardens, Olympia, Washington, United States R. solitarium.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. souliei Deep Pink.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. sperabile var. weihsiense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. spinuliferum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. stenopetalum 'Linearifolium'-2.jpg; 4MAY2003; Lakeswold Gardens, Olympia, Washington, United States R. stenopetalum 'Linearifolium'-3.jpg; 4MAY2003; Lakeswold Gardens, Olympia, Washington, United States R. stenopetalum 'Linearifolium'.jpg; 4MAY2003; Lakeswold Gardens, Olympia, Washington, United States R. stenopetalum 'Linearifolium'.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States R. stenopetalum Linearifolium.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. stenopetalum.jpg; 30APR2003; Washington Park Arboretum, Seattle, Washington, United States R. strigillosum.jpg; 2MAY2003; Private Gardens, Olympia, Washington, United States R. sutchuenense.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States
R. taggianum.jpg; 17APR2007; Mathey Garden, Mendocino, California, United States R. taliense.jpg; 10MAY2008; Branklyn Garden, Perth, Scotland R. taxifolium.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. telmateium.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. thompsonii.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. thomsonii ssp. thomsonii.jpg; 8MAY2008; RBG Dawyck, Stobo, Scotland R. thomsonii.jpg; 15APR2007; Sonoma Hort. Nursery & Gardens, Sonoma, California, United States R. thomsonii.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. tomentosum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. trichostomum.jpg; 23May2005; RHS Garden Wisley, Surrey, England R. triflorum ssp. triflorum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. triflorum triflorum.jpg; 19May2005; RBG Benmore, Argyll, Scotland R. tuba.jpg; 26OCT2012; Pukeiti Rhododendron Trust, Taranaki, New Zealand
R. valentinianum.jpg; 6MAY2008; Glenwhan Gardens, Dunragit, Scotland R. vaseyi.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. vaseyi.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. vaysei-2.jpg; 5MAY2012; Blue Ridge Parkway, Asheville, North Carolina, United States R. vaysei-3.jpg; 5MAY2012; Blue Ridge Parkway, Asheville, North Carolina, United States R. vaysei.jpg; 5MAY2012; Blue Ridge Parkway, Asheville, North Carolina, United States R. vayseii.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. vernicosum-2.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. vernicosum.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. vernicosum.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. vernicosum.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. viscidifolium.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland
R. wallichii heftii.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. wallichii.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. wardii var. wardii.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. wardii var. puralbum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. wardii var. wardii.jpg; 15May2005; Royal Botanic Garden Edinburgh, Edinburgh, Scotland R. wardii var. wardii.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States R. wardii.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. wardii.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. wasonii.jpg; 18May2005; Arduaine Gardens, Argyll, Scotland R. wasonii.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. weyrichii.jpg; 5MAY2006; Jenkins Arboretum, Devon, Pennsylvania, United States R. williamsianum 'Special'.jpg; 11MAY2008; Craigowen Garden, Pitlochry, Scotland R. williamsianum.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. williamsianum.jpg; 17May2005; Inverewe Gardens, Ross-Shire, Scotland R. williamsianum.jpg; 1MAY2009; Sipe Garden, Whidbey Island, Washington, United States R. williamsianum.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. williamsianum.jpg; 4MAY2003; Rhododendron Species Foundation, Federal Way, Washington, United States
R. yedoense var. poukhanense.jpg; 30APR2009; Rhododendron Species Foundation, Federal Way, Washington, United States R. yedoense var. poukhanense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. yungningense.jpg; 7MAY2008; RBG Edingurgh, Edinburgh, Scotland R. yunnanense 'Openwood'.jpg; 20MAY2010; Bremen Rhododendron Park, Bremen, Germany R. yunnanense white form.jpg; 10MAY2008; Glendoick Gardens, Perth, Scotland R. yunnanense.jpg; 16May2005; Branklyn Gardens, Perth, Scotland R. yunnanense.jpg; 1MAY2005; Milner Garden, Qualicum Beach, British Columbia, Canada R. yunnanense.jpg; 1MAY2009; Fujioka Garden, Whidbey Island, Washington, United States R. yunnanense.jpg; 5MAY2008; RBG Logan, Port Logan, Scotland R. yunnanense.jpg; 6MAY2003; Whitney Gardens & Nursery, Brinnon, Washington, United States
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Directory of Contents for Henning's Rhododendron & Azalea Pages
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