From Wikipedia, the free encyclopedia

The following is a list of rhododendron cultivars and species which have gained the Royal Horticultural Society's Award of Garden Merit. They are mostly hardy evergreen shrubs with abundant, brilliantly-coloured, trumpet-shaped flowers, often in large spherical trusses. The group known as azaleas are often (but not always) more compact with smaller flowers and leaves, and may be evergreen ( subgenus Tsutsuji) or deciduous (subgenus Pentanthera). Most rhododendrons bloom for a short period in late spring (April to May in the temperate Northern Hemisphere). They are seen at their best in a woodland setting with light dappled shade, in humus-rich acid soil. [1]

Maximum dimensions are shown in metres.

name species type colour Height Spread
R. arborescens [2] white/pink 4.0 4.0
R. bureavii [3] pink/white 2.5 2.5
R. calophytum [4] pink (pale) 8.0 8.0
R. davidsonianum [5] pink (pale) 4.0 2.5
R. decorum [6] white 8.0 2.5
R. falconeri [7] white 12.0 4.0
R. fulvum [8] pink 4.0 4.0
R. luteum [9] deciduous azalea yellow 4.0 4.0
R. macabeanum [10] yellow 12.0 12.0
R. makinoi [11] pink 2.5 2.5
R. orbiculare [12] pink (rose) 2.5 2.5
R. pachysanthum [13] pink (pale) 1.5 2.5
R. pseudochrysanthum [14] pink (pale) 2.5 2.5
R. racemosum [15] white/pink 2.5 2.5
R. rex [16] white (cream) 12.0 8.0
R. rex subsp. fictolacteum [17] white (cream) 12.0 8.0
R. rex subsp. rex [18] white or pink 12.0 8.0
R. sinogrande [19] yellow 12.0 8.0
R. viscosum [20] white/pink 2.5 2.5
R. williamsianum [21] pink (rose) 1.5 1.5
'Albert Schweitzer' [22] pink (pale) 4.0 2.5
'Alexander' [23] evergreen azalea orange 0.5 0.5
'Alice' [24] rose pink 2.5 2.5
'Bashful' [25] pink (pale) 1.5 1.5
'Berryrose' [26] deciduous azalea salmon pink 2.5 1.5
'Blaauw's Pink' [27] evergreen azalea salmon pink 1.0 1.0
'Blewbury' [28] white 1.5 1.5
'Blue Danube' [29] evergreen azalea blue (violet) 2.5 1.5
'Blue Peter' [30] blue (violet) 2.5 2.5
'Bouquet de Flore' [31] deciduous azalea pink/yellow 2.5 1.5
'Canzonetta' [32] evergreen azalea rose pink 1.0 1.0
'Cecile' [33] deciduous azalea salmon pink/yellow 2.5 2.5
'Chinese Silver' [34] R. argyrophyllum subsp. nankingense pink 4.0 2.5
'Cilpinense' [35] pink (pale) 1.1 1.1
'Cornell Pink' [36] R. mucronulatum deciduous pink (pale) 2.5 1.5
'Crane' [37] white 1.0 1.0
'Crest' [38] yellow (pale) 4.0 4.0
'Curlew' [39] yellow (pale) 0.5 0.5
'Cynthia' [40] rose-pink 8.0 8.0
'Daviesii' [41] deciduous azalea white/yellow 1.5 1.5
'Dopey' [42] red (crimson) 2.5 2.5
'Dora Amateis' [43] white 1.0 1.0
'Dreamland' [44] pink (pale) 1.5 1.0
'Egret' [45] white 0.5 1.0
'Elisabeth Hobbie' [46] red (crimson) 0.8 0.8
'Elsie Lee' [47] purple 1.0 1.0
'Fabia' [48] orange/pink 2.5 2.5
'Faggeter's Favourite' [49] white/pink 2.5 2.5
'Fantastica' [50] red/white 1.0 1.0
'Fastuosum Flore Pleno' [51] blue 4.0 4.0
'Fireball' [52] deciduous azalea red (scarlet) 2.5 2.5
'Furnivall's Daughter' [53] pink/maroon 4.0 4.0
'Gartendirektor Rieger' [54] pink (pale) 1.5 1.5
'Gibraltar' [55] deciduous azalea yellow/red 1.5 1.5
'Ginny Gee' [56] pink (pale) 0.5 1.0
'Golden Torch' [57] yellow (pale) 1.5 1.5
'Goldkrone' [58] yellow 1.5 1.5
'Gomer Waterer' [59] pink/yellow 2.5 2.5
'Gristede' [60] blue 1.0 1.0
'Hachmann's Marlis' [61] pink (rose) 1.5 1.5
'Hachmann's Polaris' [62] pink (purple) 1.5 1.5
'Hachmann's Porzellan' [63] white/yellow/green 1.5 1.5
'Hino-crimson' [64] evergreen azalea crimson 0.5 0.5
'Hinomayo' [65] pink (pale) 1.0 1.0
'Homebush' [66] deciduous azalea pink 1.5 1.5
'Hotspur Red' [67] deciduous azalea red (scarlet) 1.5 1.5
'Hydon Dawn' [68] pink (pale) 1.5 1.5
'Hydon Hunter' [69] pink (rose) 1.5 1.5
'Johanna' [70] evergreen azalea red (carmine) 1.0 1.0
'Kate Waterer' [71] pink (rose) 2.5 2.5
'Klondyke' [72] deciduous azalea orange/yellow 2.5 2.5
'Kluis Sensation' [73] red (scarlet) 2.5 2.5
'Koichiro Wada' [74] R. yakushimanum pink/white 1.5 1.5
'Lady Clementine Mitford' [75] pink (peach) 2.5 2.5
'Lavender Girl' [76] pink (mauve) 2.5 2.5
'Lem's Cameo' [77] pink/red 2.5 2.5
'Lem's Monarch' [78] pink/white 2.5 2.5
'Loderi King George' [79] pink (pale) 4.0 4.0
'Loderi Pink Diamond' [80] pink (pale) 4.0 4.0
'Loder's White' [81] white 2.5 2.5
'Lord Roberts' [82] red (crimson) 2.5 2.5
'Markeeta's Prize' [83] red (scarlet) 2.5 2.5
'Merganser' [84] yellow (primrose) 1.0 1.0
'Mid-winter' [85] R. dauricum purple 1.5 1.5
'Moerheim' [86] blue (violet) 1.0 1.0
'Mother's Day' [87] evergreen azalea red (crimson) 0.7 0.7
'Mrs A.T. de la Mare' [88] white 2.5 2.5
'Mrs Charles E. Pearson' [89] pink (pale) 4.0 2.5
'Mrs Furnivall' [90] pink (rose) 2.5 2.5
'Mrs T.H. Lowinsky' [91] white/orange 2.5 2.5
'Myrtilloides Group' [92] R. campylogynum lavender pink 0.5 0.5
'Nancy Evans' [93] yellow 1.5 1.5
'Nancy Waterer' [94] yellow 2.5 2.5
'Narcissiflorum' [95] deciduous azalea yellow 2.5 2.5
'Niagara' [96] evergreen azalea white 0.6 0.6
'Olga' [97] yellow/pink 1.5 1.5
'Openwood' [98] R. yunnanense semi-evergreen pink (pale) 8.0 4.0
'Palestrina' [99] evergreen azalea white 1.5 1.0
'Panda' [100] yellow/pink 1.5 1.5
'Patty Bee' [101] yellow (pale) 1.0 1.0
'Penheale Blue' [102] yellow (pale) 1.0 1.0
'Percy Wiseman' [103] white (cream) 2.5 2.5
'Persil' [104] deciduous azalea white/yellow 2.5 1.5
'Pink Cherub' [105] pink 1.5 1.5
'Pink Pancake' [106] pink (salmon) 0.5 1.5
'Praecox' [107] pink (rose) 1.5 1.5
'Princess Anne' [108] yellow (pale) 1.0 1.0
'Ptarmigan' [109] white 0.9 0.9
'Ramapo' [110] purple (violet) 1.0 1.0
'Razorbill' [111] pink (rose) 1.5 1.5
'Renoir' [112] pink (rose) 1.5 1.5
'Rock Rose' [113] R. racemosum pink 1.5 1.5
'Rosata' [114] deciduous azalea pink (rose) 4.0 2.5
'Saint Merryn' [115] blue (violet) 4.0 2.5
'Satan' [116] red (scarlet) 2.5 2.5
'Scarlet Wonder' [117] red (scarlet) 1.5 1.5
'Silver Slipper' [118] white/yellow 2.5 2.5
'Squirrel' [119] evergreen azalea orange 1.0 1.0
'Strawberry Ice' [120] deciduous azalea pink/orange 2.5 2.5
'The Honourable Jean Marie de Montague' [121] red (crimson) 2.5 2.5
'Tidbit' [122] yellow (cream) 1.0 1.5
'Tortoiseshell Wonder' [123] salmon pink 2.5 2.5
'Vintage Rosé' [124] pink (rose) 1.0 1.0
'Vulcan' [125] red (scarlet) 1.5 1.5
'Vuyk's Rosyred' [126] pink (rose) 1.0 1.5
'Vuyk's Scarlet' [127] red (scarlet) 1.0 1.5
'Wee Bee' [128] pink/red 0.5 1.0
'White Lights' [129] white 1.5 1.5
'Yaku Fairy' [130] R. keiskei var. ozawae yellow (lemon) 0.5 1.0

See also

References

  1. ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN  978-1405332965.
  2. ^ "RHS Plant Selector - Rhododendron arborescens". Retrieved 14 February 2020.
  3. ^ "RHS Plant Selector - Rhododendron bureavii". Retrieved 14 February 2020.
  4. ^ "RHS Plant Selector - Rhododendron calophytum". Retrieved 14 February 2020.
  5. ^ "RHS Plant Selector - Rhododendron davidsonianum". Retrieved 14 February 2020.
  6. ^ "RHS Plant Selector - Rhododendron decorum". Retrieved 14 February 2020.
  7. ^ "RHS Plant Selector - Rhododendron falconeri". Retrieved 14 February 2020.
  8. ^ "RHS Plant Selector - Rhododendron fulvum". Retrieved 14 February 2020.
  9. ^ "RHS Plant Selector - Rhododendron luteum". Retrieved 14 February 2020.
  10. ^ "RHS Plant Selector - Rhododendron macabeanum". Retrieved 14 February 2020.
  11. ^ "RHS Plant Selector - Rhododendron makinoi". Retrieved 14 February 2020.
  12. ^ "RHS Plant Selector - Rhododendron orbiculare". Retrieved 14 February 2020.
  13. ^ "RHS Plant Selector - Rhododendron pachysanthum". Retrieved 14 February 2020.
  14. ^ "RHS Plant Selector - Rhododendron pseudochrysanthum". Retrieved 14 February 2020.
  15. ^ "RHS Plant Selector - Rhododendron racemosum". Retrieved 14 February 2020.
  16. ^ "RHS Plant Selector - Rhododendron rex". Retrieved 6 October 2018.
  17. ^ "RHS Plant Selector - Rhododendron rex subsp. fictolacteum". Retrieved 14 February 2020.
  18. ^ "RHS Plant Selector - Rhododendron rex subsp. rex". Retrieved 14 February 2020.
  19. ^ "RHS Plant Selector - Rhododendron sinogrande". Retrieved 14 February 2020.
  20. ^ "RHS Plant Selector - Rhododendron viscosum". Retrieved 14 February 2020.
  21. ^ "RHS Plant Selector - Rhododendron williamsianum". Retrieved 14 February 2020.
  22. ^ "RHS Plant Selector - Rhododendron 'Albert Schweitzer'". Retrieved 19 February 2020.
  23. ^ "RHS Plant Selector - Rhododendron 'Alexander'". Retrieved 19 February 2020.
  24. ^ "RHS Plant Selector - Rhododendron 'Alice'". Retrieved 19 February 2020.
  25. ^ "RHS Plant Selector - Rhododendron 'Bashful'". Retrieved 19 February 2020.
  26. ^ "RHS Plant Selector - Rhododendron 'Berryrose'". Retrieved 19 February 2020.
  27. ^ "RHS Plant Selector - Rhododendron 'Blaauw's Pink'". Retrieved 19 February 2020.
  28. ^ "RHS Plant Selector - Rhododendron 'Blewbury'". Retrieved 19 February 2020.
  29. ^ "RHS Plant Selector - Rhododendron 'Blue Danube'". Retrieved 19 February 2020.
  30. ^ "RHS Plant Selector - Rhododendron 'Blue Peter'". Retrieved 19 February 2020.
  31. ^ "RHS Plant Selector - Rhododendron 'Bouquet de Flore'". Retrieved 19 February 2020.
  32. ^ "RHS Plant Selector - Rhododendron 'Canzonetta'". Retrieved 19 February 2020.
  33. ^ "RHS Plant Selector - Rhododendron 'Cecile'". Retrieved 19 February 2020.
  34. ^ "RHS Plant Selector - Rhododendron argyrophyllum subsp. nankingense 'Chinese Silver'". Retrieved 19 February 2020.
  35. ^ "RHS Plant Selector - Rhododendron 'Cilpinense'". Retrieved 19 February 2020.
  36. ^ "RHS Plant Selector - Rhododendron mucronulatum 'Cornell Pink'". Retrieved 19 February 2020.
  37. ^ "RHS Plant Selector - Rhododendron 'Crane'". Retrieved 19 February 2020.
  38. ^ "RHS Plant Selector - Rhododendron (Hawk Group) 'Crest'". Retrieved 19 February 2020.
  39. ^ "RHS Plant Selector - Rhododendron 'Curlew'". Retrieved 19 February 2020.
  40. ^ "RHS Plant Selector - Rhododendron 'Cynthia'". Retrieved 19 February 2020.
  41. ^ "RHS Plant Selector - Rhododendron 'Cilpinense'". Retrieved 19 February 2020.
  42. ^ "RHS Plant Selector - Rhododendron 'Dopey'". Retrieved 19 February 2020.
  43. ^ "RHS Plant Selector - Rhododendron 'Dora Amateis'". Retrieved 19 February 2020.
  44. ^ "RHS Plant Selector - Rhododendron 'Dreamland'". Retrieved 19 February 2020.
  45. ^ "RHS Plant Selector - Rhododendron 'Egret'". Retrieved 19 February 2020.
  46. ^ "RHS Plant Selector - Rhododendron 'Elisabeth Hobbie'". Retrieved 19 February 2020.
  47. ^ "RHS Plant Selector - Rhododendron 'Elsie Lee'". Retrieved 19 February 2020.
  48. ^ "RHS Plant Selector - Rhododendron (Fabia Group) 'Fabia'". Retrieved 19 February 2020.
  49. ^ "RHS Plant Selector - Rhododendron 'Faggeter's Favourite'". Retrieved 19 February 2020.
  50. ^ "RHS Plant Selector - Rhododendron 'Fantastica'". Retrieved 19 February 2020.
  51. ^ "RHS Plant Selector - Rhododendron 'Fastuosum Flore Pleno'". Retrieved 19 February 2020.
  52. ^ "RHS Plant Selector - Rhododendron 'Fireball'". Retrieved 19 February 2020.
  53. ^ "RHS Plant Selector - Rhododendron 'Furnivall's Daughter'". Retrieved 19 February 2020.
  54. ^ "RHS Plant Selector - Rhododendron 'Gartendirektor Rieger'". Retrieved 19 February 2020.
  55. ^ "RHS Plant Selector - Rhododendron 'Gibraltar'". Retrieved 19 February 2020.
  56. ^ "RHS Plant Selector - Rhododendron 'Ginny Gee'". Retrieved 19 February 2020.
  57. ^ "RHS Plant Selector - Rhododendron 'Golden Torch'". Retrieved 19 February 2020.
  58. ^ "RHS Plant Selector - Rhododendron 'Goldkrone'". Retrieved 19 February 2020.
  59. ^ "RHS Plant Selector - Rhododendron 'Gomer Waterer'". Retrieved 19 February 2020.
  60. ^ "RHS Plant Selector - Rhododendron 'Gristede'". Retrieved 19 February 2020.
  61. ^ "RHS Plant Selector - Rhododendron 'Hachmann's Marlis'". Retrieved 19 February 2020.
  62. ^ "RHS Plant Selector - Rhododendron 'Hachmann's Polaris'". Retrieved 19 February 2020.
  63. ^ "RHS Plant Selector - Rhododendron 'Hachmann's Porzellan'". Retrieved 19 February 2020.
  64. ^ "RHS Plant Selector - Rhododendron 'Hino-Crimson'". Retrieved 19 February 2020.
  65. ^ "RHS Plant Selector - Rhododendron (Obtusum group) 'Hinomayo'". Retrieved 19 February 2020.
  66. ^ "RHS Plant Selector - Rhododendron 'Homebush'". Retrieved 19 February 2020.
  67. ^ "RHS Plant Selector - Rhododendron (Hotspur Group) 'Hotspur Red'". Retrieved 19 February 2020.
  68. ^ "RHS Plant Selector - Rhododendron 'Hydon Dawn'". Retrieved 19 February 2020.
  69. ^ "RHS Plant Selector - Rhododendron 'Hydon Hunter'". Retrieved 19 February 2020.
  70. ^ "RHS Plant Selector - Rhododendron 'Johanna'". Retrieved 19 February 2020.
  71. ^ "RHS Plant Selector - Rhododendron 'Kate Waterer'". Retrieved 19 February 2020.
  72. ^ "RHS Plant Selector - Rhododendron 'Klondyke'". Retrieved 19 February 2020.
  73. ^ "RHS Plant Selector - Rhododendron 'Kluis Sensation'". Retrieved 19 February 2020.
  74. ^ "RHS Plant Selector - Rhododendron yakushimanum 'Koichiro Wada'". Retrieved 19 February 2020.
  75. ^ "RHS Plant Selector - Rhododendron 'Lady Clementine Mitford'". Retrieved 19 February 2020.
  76. ^ "RHS Plant Selector - Rhododendron 'Lavender Girl'". Retrieved 19 February 2020.
  77. ^ "RHS Plant Selector - Rhododendron 'Lem's Cameo'". Retrieved 19 February 2020.
  78. ^ "RHS Plant Selector - Rhododendron 'Lem's Monarch'". Retrieved 19 February 2020.
  79. ^ "RHS Plant Selector - Rhododendron 'Loderi King George'". Retrieved 19 February 2020.
  80. ^ "RHS Plant Selector - Rhododendron 'Loderi Pink Diamond'". Retrieved 19 February 2020.
  81. ^ "RHS Plant Selector - Rhododendron 'Loder's White'". Retrieved 19 February 2020.
  82. ^ "RHS Plant Selector - Rhododendron 'Lord Roberts'". Retrieved 19 February 2020.
  83. ^ "RHS Plant Selector - Rhododendron 'Markeeta's Prize'". Retrieved 19 February 2020.
  84. ^ "RHS Plant Selector - Rhododendron 'Merganser'". Retrieved 19 February 2020.
  85. ^ "RHS Plant Selector - Rhododendron dauricum 'Mid-winter'". Retrieved 19 February 2020.
  86. ^ "RHS Plant Selector - Rhododendron 'Moerheim'". Retrieved 19 February 2020.
  87. ^ "RHS Plant Selector - Rhododendron 'Mother's Day'". Retrieved 19 February 2020.
  88. ^ "RHS Plant Selector - Rhododendron 'Mrs A.T. de la Mare'". Retrieved 19 February 2020.
  89. ^ "RHS Plant Selector - Rhododendron 'Mrs Charles E. Pearson'". Retrieved 19 February 2020.
  90. ^ "RHS Plant Selector - Rhododendron 'Mrs Furnivall'". Retrieved 19 February 2020.
  91. ^ "RHS Plant Selector - Rhododendron 'Mrs T.H. Lowinsky'". Retrieved 23 February 2020.
  92. ^ "RHS Plant Selector - Rhododendron campylogynum 'Myrtilloides Group'". Retrieved 23 February 2020.
  93. ^ "RHS Plant Selector - Rhododendron 'Nancy Evans'". Retrieved 23 February 2020.
  94. ^ "RHS Plant Selector - Rhododendron 'Nancy Waterer'". Retrieved 23 February 2020.
  95. ^ "RHS Plant Selector - Rhododendron 'Narcissiflorum'". Retrieved 23 February 2020.
  96. ^ "RHS Plant Selector - Rhododendron 'Niagara'". Retrieved 23 February 2020.
  97. ^ "RHS Plant Selector - Rhododendron 'Olga'". Retrieved 23 February 2020.
  98. ^ "RHS Plant Selector - Rhododendron yunnanense 'Openwood'". Retrieved 23 February 2020.
  99. ^ "RHS Plant Selector - Rhododendron 'Palestrina' (Vuykiana)". Retrieved 23 February 2020.
  100. ^ "RHS Plant Selector - Rhododendron 'Panda'". Retrieved 23 February 2020.
  101. ^ "RHS Plant Selector - Rhododendron 'Patty Bee'". Retrieved 23 February 2020.
  102. ^ "RHS Plant Selector - Rhododendron 'Penheale Blue'". Retrieved 23 February 2020.
  103. ^ "RHS Plant Selector - Rhododendron 'Percy Wiseman'". Retrieved 23 February 2020.
  104. ^ "RHS Plant Selector - Rhododendron 'Persil'". Retrieved 23 February 2020.
  105. ^ "RHS Plant Selector - Rhododendron 'Pink Cherub'". Retrieved 23 February 2020.
  106. ^ "RHS Plant Selector - Rhododendron 'Pink Pancake'". Retrieved 23 February 2020.
  107. ^ "RHS Plant Selector - Rhododendron 'Praecox'". Retrieved 23 February 2020.
  108. ^ "RHS Plant Selector - Rhododendron 'Princess Anne'". Retrieved 23 February 2020.
  109. ^ "RHS Plant Selector - Rhododendron 'Ptarmigan'". Retrieved 23 February 2020.
  110. ^ "RHS Plant Selector - Rhododendron 'Ramapo'". Retrieved 23 February 2020.
  111. ^ "RHS Plant Selector - Rhododendron 'Razorbill'". Retrieved 23 February 2020.
  112. ^ "RHS Plant Selector - Rhododendron 'Renoir'". Retrieved 23 February 2020.
  113. ^ "RHS Plant Selector - Rhododendron racemosum 'Rock Rose'". Retrieved 23 February 2020.
  114. ^ "RHS Plant Selector - Rhododendron 'Rosata'". Retrieved 23 February 2020.
  115. ^ "RHS Plant Selector - Rhododendron 'Saint Merryn'". Retrieved 23 February 2020.
  116. ^ "RHS Plant Selector - Rhododendron 'Satan'". Retrieved 23 February 2020.
  117. ^ "RHS Plant Selector - Rhododendron 'Scarlet Wonder'". Retrieved 23 February 2020.
  118. ^ "RHS Plant Selector - Rhododendron 'Silver Slipper'". Retrieved 23 February 2020.
  119. ^ "RHS Plant Selector - Rhododendron 'Squirrel'". Retrieved 23 February 2020.
  120. ^ "RHS Plant Selector - Rhododendron 'Strawberry Ice'". Retrieved 23 February 2020.
  121. ^ "RHS Plant Selector - Rhododendron 'The Honourable Jean Marie de Montague'". Retrieved 23 February 2020.
  122. ^ "RHS Plant Selector - Rhododendron 'Tidbit'". Retrieved 23 February 2020.
  123. ^ "RHS Plant Selector - Rhododendron 'Tortoiseshell Wonder'". Retrieved 23 February 2020.
  124. ^ "RHS Plant Selector - Rhododendron 'Vintage Rosé'". Retrieved 23 February 2020.
  125. ^ "RHS Plant Selector - Rhododendron 'Vulcan'". Retrieved 23 February 2020.
  126. ^ "RHS Plant Selector - Rhododendron 'Vuyk's Rosyred'". Retrieved 23 February 2020.
  127. ^ "RHS Plant Selector - Rhododendron 'Vuyk's Scarlet'". Retrieved 23 February 2020.
  128. ^ "RHS Plant Selector - Rhododendron 'Wee Bee'". Retrieved 23 February 2020.
  129. ^ "RHS Plant Selector - Rhododendron 'White Lights'". Retrieved 23 February 2020.
  130. ^ "RHS Plant Selector - Rhododendron keiskei var. ozawae 'Yaku Fairy'". Retrieved 23 February 2020.
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