List of Award of Garden Merit dahlias explained

The following is a list of dahlia cultivars which have gained the Royal Horticultural Society's Award of Garden Merit. They are tuberous perennials, originally from South America, with showy daisy-like composite flowerheads in all shades and combinations of white, yellow, orange, pink and red, flowering in late summer and autumn (fall). Much work has been done on the development of a range of flower shapes and sizes. They may be sold as dry tubers in Spring, and started off in heat before being planted out after all danger of frost has passed. Alternatively they can be purchased later in the season, in pots ready to flower. Dwarf bedding types are usually cultivated as annuals and discarded after flowering. In mild areas without penetrating frosts, mature plants can be overwintered in the garden; otherwise, they are lifted and stored in a frost free place. They are easily propagated from cuttings in Spring.[1]

Flower shapes can be divided into 14 main groups:-

  1. single: less than 10cm (00inches) - open centred, with a single or double row of ray florets
  2. waterlily: miniature, small or medium sized blooms - double, with a small number of flattened, rounded ray florets
  3. collerette: 10- - single row of flat ray florets surrounding an inner collar of shorter florets and a central disc
  4. anemone-flowered: 10- - upward-pointing, tubular florets, surrounded by one or more rows of flattened ray florets
  5. pompon: 10cm (00inches) - tightly spherical small blooms with florets in a scale-like arrangement
  6. ball: similar to pompon but larger in size
  7. semi-cactus: double flowers in a range of sizes; many pointed, recurved ray florets
  8. cactus: double flowers in a range of sizes; many pointed, recurved ray florets that are narrower than semi-cactus flowers
  9. decorative: fully double flowers with the central disc completely hidden; the broad florets may be pointed and twisted
  10. miscellaneous: including peony-flowered, orchid-flowered, chrysanthemum-flowered, dwarf bedding

As of 2015, 124 cultivars are listed. Maximum dimensions of plants are shown in centimetres.

Name TypeColour Height (cm) Spread (cm) Ref
Allan Sparkes waterlily pink 150 100 [2]
Almand's Climax decorative pink 100 100 [3]
Alva's Doris semi-cactus red 120 60 [4]
Alva's Supreme decorative yellow (pale) 120 60 [5]
Ann Breckenfelder collerette red/yellow 170 100 [6]
April Heather collerette yellow/pink 125 50 [7]
Asahi Chohje anemone red/white 150 100 [8]
Bednall Beauty dwarf bedding red 50 50 [9]
peony red 110 45 [10]
Blyton Softer Gleam decorative yellow/orange 135 100 [11]
Bridge View Aloha semi-cactus yellow/red 150100 [12]
Brookfield Delight single orange 50 50 [13]
waterlily orange/yellow 185 150 [14]
Chat Noir semi-cactus red/purple 170 100 [15]
Chessy single yellow (lemon) 50 50 [16]
Clair de Lune collerette cream 110 60 [17]
Cream Alva's decorative cream 150 100 [18]
David Howard decorative yellow (bronze) 100 50 [19]
Don Hill collerette red/yellow 150 100 [20]
Dovegrove single red 100 50 [21]
Edwin's Sunset waterlily red 120 50 [22]
Ellen Huston dwarf bedding orange (scarlet) 50 50 [23]
Exotic Dwarf single lilliput pink/purple/yellow 40 40 [24]
Fascination peony pink 60 45 [25]
Figurine waterlily pink (pale) 100 50 [26]
Finchcocks waterlily orange 120 60 [27]
anemone white/yellow 110 60 [28]
Fusion decorative white/pale pink 100 50 [29]
Gallery Art Deco[30] decorative orange/red 100 50 [31]
Gallery Art Fair decorative white 50 50 [32]
Gallery Art Nouveau[33] decorative pink (raspberry) 100 50 [34]
Gallery La Tour decorative pink 50 50 [35]
Gallery Leonardo[36] decorative pink 50 50 [37]
Gallery Pablo[38] decorative pink/yellow 50 50 [39]
Gallery Rembrandt[40] decorative pink (bright) 100 50 [41]
Gallery Renoir[42] decorative pink (rose) 50 50 [43]
Gallery Vincent[44] decorative yellow/orange 50 50 [45]
Garden Party cactus yellow/orange 60 45 [46]
Geoffrey Kent decorative red 100 50 [47]
decorative yellow 130 60 [48]
Grenadier decorative red 100 100 [49]
Hamari Accord semi-cactus yellow (pale) 120 60 [50]
Hamari Bride semi-cactus white 120 60 [51]
Hamari Gold decorative yellow 120 60 [52]
Hamari Rosé ball pink/yellow 120 60 [53]
Hamilton Lillian decorative orange 120 60 [54]
='Hdpu165' single purple 40 40 [55]
single red/yellow 80 50 [56]
single pink/white 80 50 [57]
single purple-pink/red 60 50 [58]
Harvest Samantha single lilliput pink (deep) 70 50 [59]
Hillcrest Candy semi-cactus pink/white 150 50 [60]
Hillcrest Desire cactus orange 120 60 [61]
Hillcrest Regal collerette red (deep) 120 60 [62]
Hillcrest Royal cactus purple 120 60 [63]
Honka single orchid yellow 100 50 [64]
Jodie Wilkinson ball peach/lemon 120 50 [65]
Jomanda ball orange 110 60 [66]
Josie Gott ball white/purple 100 50 [67]
Karenglen decorative orange 110 60 [68]
Kenora Sunset semi-cactus yellow/orange 120 60 [69]
Kenora Valentine decorative red 120 60 [70]
Kidd's Climax decorative red 110 60 [71]
Kilburn Rose waterlily pink/peach 100 50 [72]
Knockout single yellow/orange 100 100 [73]
Lakeland Sunset cactus yellow 100 100 [74]
Le Castel waterlily white 100 100 [75]
Lemon Elegans semi-cactus yellow (lemon) 130 100 [76]
Lilac Marston decorative lila/purple 150 100 [77]
Lilac Taratahi cactus pink 150 100 [78]
Lismore Willie waterlily yellow (bronze) 120 60 [79]
Magenta Star single pink (magenta) 130 100 [80]
Maiko Girl double orchid pink 100 50 [81]
Marie Schnugg single orchid red/yellow 50 50 [82]
Mary's Jomanda ball pink/purple 150 100 [83]
Mayan Pearl double orchid pink 65 50 [84]
Melody Harmony decorative pink/white 80 50 [85]
dwarf bedding yellow/red 75 45 [86]
My-nute Blend misc orange/yellow 50 50 [87]
Oakwood Naranga decorative orange 100 50 [88]
Ocean Bird decorative pink 100 50 [89]
Omo single lily white/yellow 40 40 [90]
Otto's Thrill decorative pink (soft) 110 50 [91]
decorative pink (silvery) 100 45 [92]
Pink Giraffe double orchid pink 135 50 [93]
Pink Pastelle semi-cactus pink 120 60 [94]
Pink Sensation cactus pink (rose) 150 100 [95]
Pooh - Swan Island collerette orange/yellow 100 50 [96]
Preston Park dwarf bedding red (scarlet) 45 45 [97]
='Vdtg43' single pink/purple 40 40 [98]
Rhonda Suzanne pompon purple (pale) 150 50 [99]
Ruby Murray[100] decorative pink (deep) 75 50 [101]
Ryecroft Jan ball white 165 100 [102]
Ryecroft Marge anemone pink/yellow 150 100 [103]
Shep's Memory waterlily peach 180 100 [104]
Small World pompon white 110 60 [105]
So Dainty semi-cactus orange (pale) 110 60 [106]
Tally Ho[107] miscellaneous orange (pale) 60 45 [108]
Taratahi Ruby waterlily red 150 100 [109]
Trelyn Crimson collerette red 120 50 [110]
Trelyn Daisy collerette white/yellow 140 140 [111]
Trelyn Kiwi semi-cactus pink/white 100 50 [112]
Trelyn Rhiannon cactus pink/yellow 180 100 [113]
Twyning's After Eight single white 100 100 [114]
Twyning's Revel single pink (deep) 120 100 [115]
Waltzing Mathilda misc. orange/pink 70 50 [116]
Westerton Folly ball pink (deep) 120 50 [117]
Weston Pirate cactus red (ruby) 150 100 [118]
Weston Spanish Dancer cactus yellow/red 150 100 [119]
Weston Stardust cactus pink/yellow 100 50 [120]
White Alva's decorative white 120 60 [121]
White Ballet decorative white 90 60 [122]
Witteman's Superba semi-cactus red (crimson) 150 100 [123]
Wootton Cupid ball pink/yellow 110 60 [124]
Wootton Impact semi-cactus yellow (bronze) 110 60 [125]
Yellow Hammer dwarf bedding yellow (pale) 60 45 [126]
Zorro[127] decorative red (crimson) 120 60 [128]

Sources

Notes and References

  1. Book: RHS A-Z encyclopedia of garden plants. 2008. Dorling Kindersley. United Kingdom. 978-1405332965. 1136.
  2. Web site: RHS Plant Selector - Dahlia 'Allan Sparkes'. 12 February 2020.
  3. Web site: RHS Plant Selector - Dahlia 'Almand's Climax'. 14 February 2020.
  4. Web site: RHS Plant Selector - Dahlia 'Alva's Doris'. 12 February 2020.
  5. Web site: RHS Plant Selector - Dahlia 'Alva's Supreme'. 12 February 2020.
  6. Web site: RHS Plant Selector - Dahlia 'Ann Breckenfelder'. 12 February 2020.
  7. Web site: RHS Plant Selector - Dahlia 'April Heather'. 12 February 2020.
  8. Web site: RHS Plant Selector - Dahlia 'Asahi Chohje'. 12 February 2020.
  9. Web site: RHS Plant Selector - Dahlia 'Bednall Beauty'. 12 February 2020.
  10. Web site: RHS Plant Selector - Dahlia 'Bishop of Llandaff'. 14 February 2020.
  11. Web site: RHS Plant Selector - Dahlia 'Blyton Softer Gleam'. 12 February 2020.
  12. Web site: RHS Plant Selector - Dahlia 'Bridge View Aloha'. 12 February 2020.
  13. Web site: RHS Plant Selector - Dahlia 'Brookfield Delight'. 12 February 2020.
  14. Web site: RHS Plant Selector - Dahlia 'Charlie Dimmock'. 12 February 2020.
  15. Web site: RHS Plant Selector - Dahlia 'Chat Noir'. 12 February 2020.
  16. Web site: RHS Plant Selector - Dahlia 'Chessy'. 13 August 2013.
  17. Web site: RHS Plant Selector - Dahlia 'Clair de Lune' . 14 February 2020.
  18. Web site: RHS Plant Selector - Dahlia 'Cream Alva's'. 14 February 2020.
  19. Web site: RHS Plant Selector - Dahlia 'David Howard'. 14 February 2020.
  20. Web site: RHS Plant Selector - Dahlia 'Eldwin's Sunset'. 14 February 2020.
  21. Web site: RHS Plant Selector - Dahlia 'Dovegrove'. 14 February 2020.
  22. Web site: RHS Plant Selector - Dahlia 'Eldwin's Sunset'. 12 February 2020.
  23. Web site: RHS Plant Selector - Dahlia 'Ellen Huston'. 12 February 2020.
  24. Web site: RHS Plant Selector - Dahlia 'Ellen Huston'. 12 February 2020.
  25. Web site: RHS Plant Selector - Dahlia 'Fascination'. 12 February 2020.
  26. Web site: RHS Plant Selector - Dahlia 'Figurine'. 12 February 2020.
  27. Web site: RHS Plant Selector - Dahlia 'Finchcocks'. 12 February 2020.
  28. Web site: RHS Plant Selector - Dahlia 'Freya's Paso Doble'. 12 February 2020.
  29. Web site: RHS Plant Selector - Dahlia 'Fusion'. 14 February 2020.
  30. named after the 20th-century art style Art Deco
  31. Web site: RHS Plant Selector - Dahlia 'Gallery Art Deco'. 14 February 2020.
  32. Web site: RHS Plant Selector - Dahlia 'Gallery Art Fair'. 14 February 2020.
  33. named after the 19th/20th-century art style Art Nouveau
  34. Web site: RHS Plant Selector - Dahlia 'Gallery Art Nouveau'. 14 February 2020.
  35. Web site: RHS Plant Selector - Dahlia 'Gallery La Tour'. 12 February 2020.
  36. named after the Renaissance artist Leonardo da Vinci
  37. Web site: RHS Plant Selector - Dahlia 'Gallery Leonardo'. 12 February 2020.
  38. named after the Spanish painter Pablo Picasso
  39. Web site: RHS Plant Selector - Dahlia 'Gallery Pablo'. 12 February 2020 .
  40. named after the Dutch painter Rembrandt
  41. Web site: RHS Plant Selector - Dahlia 'Gallery Rembrandt'. 12 February 2020.
  42. named after the French painter Pierre-Auguste Renoir
  43. Web site: RHS Plant Selector - Dahlia 'Gallery Renoir'. 12 February 2020.
  44. named after the Dutch painter Vincent van Gogh
  45. Web site: RHS Plant Selector - Dahlia 'Gallery Vincent'. 12 February 2020.
  46. Web site: RHS Plant Selector - Dahlia 'Garden Party'. 13 August 2013.
  47. Web site: RHS Plant Selector - Dahlia 'Geoffrey Kent' . 14 February 2020.
  48. Web site: RHS Plant Selector - Dahlia 'Glorie van Heemsteede'. 14 February 2020.
  49. Web site: RHS Plant Selector - Dahlia 'Grenadier'. 14 February 2020.
  50. Web site: RHS Plant Selector - Dahlia 'Hamari Accord'. 12 February 2020.
  51. Web site: RHS Plant Selector - Dahlia 'Hamari Bride'. 12 February 2020.
  52. Web site: RHS Plant Selector - Dahlia 'Hamari Gold'. 14 February 2020.
  53. Web site: RHS Plant Selector - Dahlia 'Hamari Rosé'. 12 February 2020.
  54. Web site: RHS Plant Selector - Dahlia 'Hamilton Lillian'. 12 February 2020.
  55. Web site: RHS Plant Selector - Happy Days Purple='Hdpu165' . 12 February 2020.
  56. Web site: RHS Plant Selector - Dahlia 'Happy Single Flame' . 12 February 2020.
  57. Web site: RHS Plant Selector - Dahlia 'Happy Single Princess' . 12 February 2020.
  58. Web site: RHS Plant Selector - Dahlia 'Happy Single Wink' . 12 February 2020.
  59. Web site: RHS Plant Selector - Dahlia 'Harvest Samantha'. 12 February 2020.
  60. Web site: RHS Plant Selector - Dahlia 'Hillcrest Candy'. 12 February 2020.
  61. Web site: RHS Plant Selector - Dahlia 'Hillcrest Desire'. 12 February 2020.
  62. Web site: RHS Plant Selector - Dahlia 'Hillcrest Regal'. 12 February 2020.
  63. Web site: RHS Plant Selector - Dahlia 'Hillcrest Royal'. 12 February 2020.
  64. Web site: RHS Plant Selector - Dahlia 'Honka'. 12 February 2020.
  65. Web site: RHS Plant Selector - Dahlia 'Jodie Wilkinson ' . 14 February 2020.
  66. Web site: RHS Plant Selector - Dahlia 'Jomanda'. 14 February 2020.
  67. Web site: RHS Plant Selector - Dahlia 'Karenglen' . 14 February 2020.
  68. Web site: RHS Plant Selector - Dahlia 'Karenglen'. 14 February 2020.
  69. Web site: RHS Plant Selector - Dahlia 'Kenora Sunset'. 12 February 2020.
  70. Web site: RHS Plant Selector - Dahlia 'Kenora Valentine'. 12 February 2020.
  71. Web site: RHS Plant Selector - Dahlia 'Kidd's Climax'. 12 February 2020.
  72. Web site: RHS Plant Selector - Dahlia 'Knockout'. 12 February 2020.
  73. Web site: RHS Plant Selector - Dahlia 'Knockout'. 12 February 2020.
  74. Web site: RHS Plant Selector - Dahlia 'Lakeland Sunset'. 12 February 2020.
  75. Web site: RHS Plant Selector - Dahlia 'Le Castel'. 12 February 2020.
  76. Web site: RHS Plant Selector - Dahlia 'Lemon Elegans'. 12 February 2020.
  77. Web site: RHS Plant Selector - Dahlia 'Lilac Marston'. 12 February 2020.
  78. Web site: RHS Plant Selector - Dahlia 'Lilac Taratahi'. 12 February 2020.
  79. Web site: RHS Plant Selector - Dahlia 'Lismore Willie'. 14 February 2020.
  80. Web site: RHS Plant Selector - Dahlia 'Magenta Star'. 14 February 2020.
  81. Web site: RHS Plant Selector - Dahlia 'Maiko Girl'. 14 February 2020.
  82. Web site: RHS Plant Selector - Dahlia 'Marie Schnugg'. 14 February 2020.
  83. Web site: RHS Plant Selector - Dahlia 'Mary's Jomanda'. 12 February 2020.
  84. Web site: RHS Plant Selector - Dahlia 'Mayan Pearl'. 12 February 2020.
  85. Web site: RHS Plant Selector - Dahlia 'Melody Harmony'. 12 February 2020.
  86. Web site: RHS Plant Selector - Dahlia 'Moonfire'. 14 February 2020.
  87. Web site: RHS Plant Selector - Dahlia 'My-nute Blend'. 12 February 2020.
  88. Web site: RHS Plant Selector - Dahlia 'Oakwood Naranga'. 12 February 2020.
  89. Web site: RHS Plant Selector - Dahlia 'Ocean Bird'. 12 February 2020.
  90. Web site: RHS Plant Selector - Dahlia 'Omo'. 12 February 2020.
  91. Web site: RHS Plant Selector - Dahlia 'Otto's Thrill'. 12 February 2020.
  92. Web site: RHS Plant Selector - Dahlia 'Pearl of Heemstede'. 12 February 2020.
  93. Web site: RHS Plant Selector - Dahlia 'Pink Giraffe'. 12 February 2020.
  94. Web site: RHS Plant Selector - Dahlia 'Pink Pastelle'. 12 February 2020.
  95. Web site: RHS Plant Selector - Dahlia 'Pink Sensation'. 16 August 2013.
  96. Web site: RHS Plant Selector - Dahlia 'Pooh - Swan Island' . 12 February 2020.
  97. Web site: RHS Plant Selector - Dahlia 'Preston Park'. 14 February 2020.
  98. Web site: RHS Plant Selector - Dahlia Pretty Woman='Vdtg43' . 14 February 2020.
  99. Web site: RHS Plant Selector - Dahlia 'Rhonda Suzanne' . 12 February 2020.
  100. [Ruby Murray]
  101. Web site: RHS Plant Selector - Dahlia 'Ruby Murray' . 12 February 2020.
  102. Web site: RHS Plant Selector - Dahlia 'Ryecroft Jan' . 12 February 2020.
  103. Web site: RHS Plant Selector - Dahlia 'Ryecroft Marge' . 12 February 2020.
  104. Web site: RHS Plant Selector - Dahlia 'Shep's Memory'. 12 February 2020.
  105. Web site: RHS Plant Selector - Dahlia 'Small World'. 12 February 2020.
  106. Web site: RHS Plant Selector - Dahlia 'So Dainty' . 14 February 2020.
  107. named after the foxhunting term "Tally Ho"
  108. Web site: RHS Plant Selector - Dahlia 'Tally Ho'. 14 February 2020.
  109. Web site: RHS Plant Selector - Dahlia 'Taratahati Ruby'. 14 February 2020.
  110. Web site: RHS Plant Selector - Dahlia 'Trelyn Crimson' '. 12 February 2020.
  111. Web site: RHS Plant Selector - Dahlia 'Trelyn Daisy' '. 14 February 2020.
  112. Web site: RHS Plant Selector - Dahlia 'Trelyn Kiwi' '. 14 February 2020.
  113. Web site: RHS Plant Selector - Dahlia 'Trelyn Rhiannon' '. 14 February 2020.
  114. Web site: RHS Plant Selector - Dahlia 'Twyning's After Eight'. 12 February 2020.
  115. Web site: RHS Plant Selector - Dahlia 'Twyning's Revel'. 12 February 2020.
  116. Web site: RHS Plant Selector - Dahlia 'Waltzing Mathilda'. 12 February 2020.
  117. Web site: RHS Plant Selector - Dahlia 'Weston Pirate'. 12 February 2020.
  118. Web site: RHS Plant Selector - Dahlia 'Weston Pirate'. 12 February 2020.
  119. Web site: RHS Plant Selector - Dahlia 'Weston Spanish Dancer'. 12 February 2020.
  120. Web site: RHS Plant Selector - Dahlia 'Weston Stardust'. 12 February 2020.
  121. Web site: RHS Plant Selector - Dahlia 'White Alva's' . 14 February 2020.
  122. Web site: RHS Plant Selector - Dahlia 'White Ballet'. 14 February 2020.
  123. Web site: RHS Plant Selector - Dahlia 'Witteman's Superba'. 14 February 2020.
  124. Web site: RHS Plant Selector - Dahlia 'Wootton Cupid' . 14 February 2020.
  125. Web site: RHS Plant Selector - Dahlia 'Wootton Impact'. 14 February 2020.
  126. Web site: RHS Plant Selector - Dahlia 'Yellow Hammer'. 12 February 2020.
  127. named after the fictional outlaw Zorro
  128. Web site: RHS Plant Selector - Dahlia 'Zorro'. 12 February 2020.

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