Biology:List of Award of Garden Merit tulips

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The following is a list of tulip species and cultivars which have gained the Royal Horticultural Society's Award of Garden Merit.[1] They are bulbous perennials, originally from sunny, open habitats in Europe and Asia. Thousands of cultivars are available in a huge range of sizes, shapes and colours (other than pure blue). They are usually sold as bulbs to be planted in autumn and winter for flowering in mid- to late spring. They are frequently treated as bedding plants, accompanied by other seasonal favourites such as wallflowers and forget-me-nots, flowering for one season before being discarded. However, in favoured locations they can be left in the ground to re-appear the following and subsequent years. Like many other bulbous plants they require a hot, dry dormant period in the summer.[2]

Groups

Tulips are divided into 15 distinct groups:-

  1. Single early - cup-shaped flowers to 7 cm (3 in) in diameter, often margined with contrasting colour; early to mid-spring
  2. Double early - fully double bowl-shaped flowers to 8 cm (3 in) in diameter, often margined with contrasting colour; mid-spring
  3. Triumph - single flowers to 6 cm (2 in) in diameter; mid- to late spring
  4. Darwin hybrid - single flowers to 7 cm (3 in) in diameter; mid- to late spring
  5. Single late - cup-shaped flowers to 7 cm (3 in) in diameter, includes the old cottage and Darwin groups; late spring
  6. Lily-flowered - long, narrow blooms with flared, pointed petals; late spring
  7. Fringed - edges of petals are fringed with a different colour; late spring
  8. Viridiflora - flowers striped with green, or entirely green; late spring
  9. Rembrandt - "broken" colours (striped or feathered) caused by a virus; late spring
  10. Parrot - unevenly striped with irregularly cut edges; late spring
  11. Double late - peony-shaped fully double flowers; late spring
  12. Kaufmanniana - T. kaufmanniana and its hybrids, multi-coloured; early to mid-spring
  13. Fosteriana - T. fosteriana and its hybrids; mid-spring
  14. Greigii - T. greigii and its hybrids; early to mid-spring
  15. Miscellaneous - all species and hybrids not included elsewhere; the smaller species require sharp drainage and are best grown in an alpine garden

Listing

name species division colour height (cm) ref image
Ad Rem Darwin orange-red 60 [3]
Ali Baba greigii red 25 [4]
Ancilla Kaufmanniana white/red 20 [5] Tulipa kaufmanniana - tulipe ancilia - parc floral Paris.JPG
Angélique double late pink (pale)/green 30 [6] Tulipa Angelique.jpg
Angel's Wish single late white 50 [7]
Apricot Beauty single early pink (apricot) 35 [8] Tulipa 'Apricot Beauty' 2015 06.jpg
Apricot Parrot parrot pink (apricot) 60 [9]
Artist viridiflora salmon/purple/green 50 [10]
Aucher's Tulip Tulipa aucheriana miscellaneous rose-pink 25 [11] 60px
Ballade lily-flowered pink/white 50 [12]
Ballerina lily-flowered orange/red 60 [13] Tulipa 'Balerina' a1.jpg
Barcelona triumph pink 45 [14]
Batalinii Group Tulipa linifolia miscellaneous yellow (pale) 20 [15]
Beau Monde triumph pink/white 45 [16]
Belle du Monde single late pink (pale) 65 [17]
Black Parrot parrot maroon (dark) 50 [18] Tulipa Black Parrot.JPG
Blue Heron fringed violet/mauve 60 [19] Tulipa Blue Heron.jpg
Bright Gem Tulipa linifolia miscellaneous yellow/orange 20 [20] Tulipa batalinii Bright Gem habitus1.jpg
Burning Heart Darwin cream/red 100 [21]
Calgary triumph white 25 [22]
Calgary Flames triumph white/yellow 25 [23]
Canasta fringed red/white 40 [24]

Tulipa 'Canasta' 2016-05-02 01.jpg

Candela Fosteriana yellow 35 [25]

Tulipa Candela.jpg

Cape Town single early yellow/red 45 [26]
Capri Darwin hybrid red 50 [27]
Carnaval de Nice double late white/red 40 [28] Tulipa Carneval de Nice.JPG
Casa Grande Greigii red 50 [29]
China Pink lily-flowered pink (rose) 50 [30]
China Town viridiflora pink/green 30 [31]
Corsage greigii orange 25 [32]
Cynthia Tulipa clusiana miscellaneous cream/pink 25 [33]
Daydream Darwin hybrid orange 50 [34] Tulipa Daydream.jpg
Don Quichotte triumph cerise pink 45 [35]
Dordogne single late orange/pink 65 [36] Tulipa Dordogne.jpg
Dreamland single late pink/white 60 [37]
Drumline double late rose/white 50 [38]
Early Harvest Kaufmanniana red/yellow 25 [39]
Esperanto viridiflora red/cream/pink 25 [40]
Exotic Sun fringed yellow double 45 [41]
Fancy Frills fringed pink/white 45 [42] Tulipa 'Fancy frills', Jardín Botánico de Múnich, Alemania, 2013-05-04, DD 02.jpg
Fantasy parrot pink (salmon) 50 [43]
Fidelio triumph pink/yellow 40 [44]
Fringed Beauty fringed orange/yellow 35 [45]
Fusilier Tulipa praestans miscellaneous red (scarlet) 30 [46] Tulipa Culivars T praestans Fuselier 01HD.jpg
Gavota triumph yellow/maroon 50 [47] Tulipa Gavota (1).jpg
Gerbrand Kieft double late pink/green 40 [48]
Halcro single late pink (carmine) 50 [49]
Honky Tonk Tulipa linifolia miscellaneous yellow (pale) 25 [50]
Ivory Floradale Darwin hybrid white (ivory) 60 [51]
Juan fosteriana orange/yellow 25 [52] Tulip Tulipa 'Juan' Flower 2836px.jpg
Kiev greigii yellow/red 30 [53]
Kingsblood single late red 60 [54] Liliales - Tulipa single late 'Kingsblood' 2 - 2011.05.09.jpg
Lady Jane Tulipa clusiana miscellaneous pink/white 25 [55] Tulipa clusiana Lady Jane.jpg
Lilac Wonder Tulipa saxatilis miscellaneous pink (pale)/yellow 25 [56] Tulipa saxatilis bakeri 'Lilac Wonder' 01.jpg
Little Beauty miscellaneous pink/purple/red 12 [57]
Little Princess miscellaneous orange/yellow/black 12.5 [58] 60px
Maureen single late yellow (pale) 60 [59]
Menton single late pink/orange 73 [60] Tulipa 'Menton' 2015 01.jpg
Monte Carlo double early yellow 30 [61] Tulipa Monte Carlo.jpg
Moonlight Girl lily-flowered yellow/white 55 [62]
Mother's Love Greigii red/yellow 25 [63]
Ollioules Darwin hybrid pink (flesh) 40 [64]
Olympic Flame Darwin hybrid yellow/red 50 [65]
Orange Emperor fosteriana orange 45 [66] Tulipa Orange Emperor flower interior.jpg
Orange Princess double late orange 30 [67] Tulipa 'Orange Princess' 2015 05.jpg
Oranje Nassau double early orange/red 35 [68]
Oranjezon Darwin hybrid orange 55 [69]
Oratorio Greigii orange/pink 20 [70]
Oxford Darwin hybrid orange (scarlet)/yellow 60 [71]
Parade Darwin hybrid red (scarlet) 50 [72]
Paul Scherer triumph purple 50 [73]
Peppermintstick Tulipa clusiana miscellaneous pink/white 30 [74] Tulipa Clusiana Peppermintstick.jpg
Pink Impression Darwin hybrid pink (deep) 55 [75]
Plaisir Greigii red/yellow 15 [76]

Tulipa greigii 'Plaisir' 2015 01.jpg

Prinses Irene Triumph orange/purple 35 [77] Triumph Tulip Tulipa 'Prinses Irene' Single 2859px.jpg
Purissima Fosteriana white (cream) 35 [78] Tulipa fosteriana cv. Purissima.jpg
Red Georgette single late red 40 [79]
Red Hat fringed red 50 [80]
Red Impression Darwin hybrid red 60 [81]
Red Princess double late red 35 [82]
Red Riding Hood Greigii red (scarlet) 20 [83]
Red Shine lily-flowered red (ruby) 60 [84]
Reputation triumph red/white 45 [85]
Seadov triumph red 30 [86]
Sensual Touch fringed orange 40 [87]
Showwinner Kaufmanniana red (scarlet) 20 [88] Tulipa kaufmanniana-Hybride Showwinner.JPG
Sorbet single late white/red 60 [89]
Spring Green viridiflora white/green 40 [90] Spring Green.jpg
Spryng triumph red 30 [91]
Starlight Tulipa bifloriformis miscellaneous yellow (pale) 5 [92]
Stockholm double early red 30 [93]
Stresa Kaufmanniana red/yellow 25 [94] Tulipa Stresa.jpg
Strong Gold triumph yellow 45 [95] Triumph Tulip Strong Gold (Tulipa).jpg
Tangerine Beauty Tulipa vvedenskyi miscellaneous orange/yellow 20 [96]
Temple of Beauty single late pink (deep, salmon) 60 [97]
Timeless triumph red/white 45 [98]
Tinka miscellaneous yellow/red 25 [99]
Toronto Greigii red (coral) 20 [100]
Trinket Greigii red/cream 20 [101]
Tulipa altaica miscellaneous yellow 25 [102]

Tulipa kolpakowskiana 2.JPG

Tulipa clusiana var chrysantha miscellaneous yellow 5 [103] Tulipa clusiana chrysantha close.JPG
Tulipa kolpakowskiana miscellaneous yellow/green 20 [104]
Tulipa linifolia miscellaneous red (scarlet) 20 [105] Tulipa linifolia 4.JPG
Tulipa sprengeri miscellaneous red 50 [106] Tulipa-sprengeri-flowers.jpg
Tulipa tarda miscellaneous white/yellow 15 [107] Tulipa tarda.jpg
Tulipa turkestanica miscellaneous white/yellow 30 [108] Tulipa turkestanica Dvärgtulpan.jpg
Tulipa urumiensis miscellaneous yellow 20 [109] Tulipa urumiensisI.JPG
United States Greigii yellow/red 25 [110]
Vincent van Gogh fringed purple 50 [111]
White Triumphator lily-flowered white 60 [112] Tulipa White Triumphator.jpg
World Expression single late yellow/red 55 [113]
Yellow Baby double early yellow 20 [114]
Zampa greigii cream/yellow/red 20 [115]

References

  1. "Tulip AGMs 2015". Royal Horticultural Society. https://www.rhs.org.uk/plants/pdfs/agm-lists/agm-tulips-oct-2015. Retrieved 1 May 2016. 
  2. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. pp. 1136. ISBN 978-1405332965. 
  3. "RHS Plant Selector - Tulipa 'Ad Rem'". RHS. https://www.rhs.org.uk/Plants/43959/Tulipa-Ad-Rem-(4)/Details. 
  4. "RHS Plant Selector - Tulipa 'Ali Baba'". RHS. https://www.rhs.org.uk/Plants/46934/Tulipa-Ali-Baba-(14)/Details. 
  5. "RHS Plant Selector - Tulipa 'Ancilla'". RHS. https://www.rhs.org.uk/Plants/76910/Tulipa-Ancilla-(12)/Details. 
  6. "RHS Plant Selector - Tulipa 'Angélique'". RHS. https://www.rhs.org.uk/Plants/72932/Tulipa-Angelique-(11)/Details. 
  7. "Tulipa 'Angel's Wish'". https://www.rhs.org.uk/Plants/270348/i-Tulipa-i-Angels-Wish-(5)/Details. Retrieved 29 April 2016. 
  8. "RHS Plant Selector - Tulipa 'Apricot Beauty'". RHS. https://www.rhs.org.uk/Plants/60923/Tulipa-Apricot-Beauty-(1)/Details. 
  9. "RHS Plant Selector - Tulipa 'Apricot Parrot'". RHS. https://www.rhs.org.uk/Plants/75225/Tulipa-Apricot-Parrot-(10)/Details. 
  10. "Tulipa ' Artist '". https://www.rhs.org.uk/Plants/68328/i-Tulipa-i-Artist-(8)/Details. Retrieved 29 April 2016. 
  11. "Tulipa aucheriana". https://www.rhs.org.uk/Plants/18493/i-Tulipa-aucheriana-i-(15)/Details. Retrieved 29 April 2016. 
  12. "RHS Plant Selector - Tulipa 'Ballade'". RHS. https://www.rhs.org.uk/Plants/48222/Tulipa-Ballade-(6)/Details. 
  13. "RHS Plant Selector - Tulipa 'Ballerina'". RHS. https://www.rhs.org.uk/Plants/44129/Tulipa-Ballerina-(6)/Details. 
  14. "Tulipa 'Barcelona'". https://www.rhs.org.uk/Plants/155522/i-Tulipa-i-Barcelona-(3)/Details. Retrieved 29 April 2016. 
  15. "RHS Plant Selector - Tulipa linifolia Batalinii Group". RHS. https://www.rhs.org.uk/Plants/100981/Tulipa-linifolia-Batalinii-Group-(15)/Details. 
  16. "Tulipa 'Beau Monde '". https://www.rhs.org.uk/Plants/280123/i-Tulipa-i-Beau-Monde-(3)/Details. Retrieved 29 April 2016. 
  17. "Tulipa 'Belle du Monde'". https://www.rhs.org.uk/Plants/343156/Tulipa-Belle-du-Monde-(5)/Details. 
  18. "RHS Plant Selector - Tulipa 'Black Parrot'". RHS. https://www.rhs.org.uk/Plants/84891/Tulipa-Black-Parrot-(10)/Details. 
  19. "RHS Plant Selector - Tulipa 'Blue Heron'". RHS. https://www.rhs.org.uk/Plants/62022/Tulipa-Blue-Heron-(7)/Details. 
  20. "RHS Plant Selector - Tulipa linifolia (Batalinii Group) 'Bright Gem'". RHS. https://www.rhs.org.uk/Plants/79455/Tulipa-linifolia-(Batalinii-Group)-Bright-Gem-(15)/Details. 
  21. "Tulipa 'Burning Heart'". https://www.rhs.org.uk/Plants/193110/Tulipa-Burning-Heart-(4)/Details. 
  22. "Tulipa 'Calgary'". https://www.rhs.org.uk/Plants/119309/i-Tulipa-i-Calgary-(3)/Details. Retrieved 29 April 2016. 
  23. "Tulipa 'Calgary Flames'". https://www.rhs.org.uk/Plants/307795/i-Tulipa-i-Calgary-Flames-(3)/Details. Retrieved 29 April 2016. 
  24. "Tulipa 'Canasta'". https://www.rhs.org.uk/Plants/247852/Tulipa-Canasta-(7)/Details. Retrieved 15 March 2021. 
  25. "Tulipa 'Candela'". https://www.rhs.org.uk/Plants/84745/Tulipa-Candela-(13)/Details. Retrieved 15 March 2021. 
  26. "Tulipa 'Cape Town'". https://www.rhs.org.uk/Plants/307796/i-Tulipa-i-Cape-Town-(1)/Details. Retrieved 29 April 2016. 
  27. "RHS Plant Selector - Tulipa 'Capri'". RHS. https://www.rhs.org.uk/Plants/103433/Tulipa-Capri-(4)/Details. 
  28. "Tulipa 'Carnaval de Nice'". https://www.rhs.org.uk/Plants/67640/i-Tulipa-i-Carnaval-de-Nice-(11-v)/Details. Retrieved 29 April 2016. 
  29. "RHS Plant Selector - Tulipa 'Casa Grande'". RHS. https://www.rhs.org.uk/Plants/307797/Tulipa-Casa-Grande-(14)/Details. 
  30. "RHS Plant Selector - Tulipa 'China Pink'". RHS. https://www.rhs.org.uk/Plants/84686/Tulipa-China-Pink-(6)/Details. 
  31. "Tulipa 'China Town'". https://www.rhs.org.uk/Plants/119323/i-Tulipa-i-China-Town-(8)/Details. Retrieved 29 April 2016. 
  32. "RHS Plant Selector - Tulipa 'Corsage'". RHS. https://www.rhs.org.uk/Plants/71674/Tulipa-Corsage-(14)/Details. 
  33. "RHS Plant Selector - Tulipa clusiana 'Cynthia'". RHS. https://www.rhs.org.uk/Plants/96940/Tulipa-clusiana-Cynthia-(15)/Details. 
  34. "RHS Plant Selector - Tulipa 'Daydream'". RHS. https://www.rhs.org.uk/Plants/62251/Tulipa-Daydream-(4)/Details. 
  35. "Tulipa ' Don Quichotte '". https://www.rhs.org.uk/Plants/58266/i-Tulipa-i-Don-Quichotte-(3)/Details. Retrieved 29 April 2016. 
  36. "Tulipa 'Dordogne'". https://www.rhs.org.uk/Plants/219408/i-Tulipa-i-Dordogne-(5)/Details. Retrieved 29 April 2016. 
  37. "Tulipa 'Dreamland'". https://www.rhs.org.uk/Plants/82694/i-Tulipa-i-Dreamland-(5)/Details. Retrieved 29 April 2016. 
  38. "Tulipa 'Drumline'". https://www.rhs.org.uk/Plants/258088/i-Tulipa-i-Drumline-(11)/Details. Retrieved 29 April 2016. 
  39. "RHS Plant Selector - Tulipa 'Early Harvest'". RHS. https://www.rhs.org.uk/Plants/56815/Tulipa-Early-Harvest-(12)/Details. 
  40. "Tulipa 'Esperanto'". https://www.rhs.org.uk/Plants/50666/i-Tulipa-i-Esperanto-(8-v)/Details. Retrieved 29 April 2016. 
  41. "Tulipa 'Exotic Sun'". https://www.rhs.org.uk/Plants/333630/Tulipa-Exotic-Sun-(7-d)/Details. Retrieved 15 March 2021. 
  42. "RHS Plant Selector - Tulipa 'Fancy Frills'". RHS. https://www.rhs.org.uk/Plants/62023/Tulipa-Fancy-Frills-(7)/Details. 
  43. "RHS Plant Selector - Tulipa 'Fantasy'". RHS. https://www.rhs.org.uk/Plants/69380/Tulipa-Fantasy-(10)/Details. 
  44. "Tulipa 'Fidelio'". https://www.rhs.org.uk/Plants/52602/i-Tulipa-i-Fidelio-(3)/Details. Retrieved 29 April 2016. 
  45. "Tulipa 'Fringed Beauty'". https://www.rhs.org.uk/Plants/44151/Tulipa-Fringed-Beauty-(7)/Details. Retrieved 15 March 2021. 
  46. "RHS Plant Selector - Tulipa praestans 'Fusilier'". RHS. https://www.rhs.org.uk/Plants/57477/Tulipa-praestans-Fusilier-(15)/Details. 
  47. "Tulipa 'Gavota'". https://www.rhs.org.uk/Plants/154264/i-Tulipa-i-Gavota-(3)/Details. Retrieved 29 April 2016. 
  48. "Tulipa 'Gerbrand Kieft'". https://www.rhs.org.uk/Plants/67056/i-Tulipa-i-Gerbrand-Kieft-(11)/Details. Retrieved 29 April 2016. 
  49. "RHS Plant Selector - Tulipa 'Halcro'". RHS. https://www.rhs.org.uk/Plants/72380/Tulipa-Halcro-(5)/Details. 
  50. "Tulipa 'Honky Tonk'". https://www.rhs.org.uk/Plants/194042/i-Tulipa-i-Honky-Tonk-(15)/Details. Retrieved 29 April 2016. 
  51. "RHS Plant Selector - Tulipa 'Ivory Floradale'". RHS. https://www.rhs.org.uk/Plants/64866/Tulipa-Ivory-Floradale-(4)/Details. 
  52. "RHS Plant Selector - Tulipa 'Juan'". RHS. https://www.rhs.org.uk/Plants/59574/Tulipa-Juan-(13)/Details. 
  53. "Tulipa 'Kiev'". https://www.rhs.org.uk/Plants/307801/i-Tulipa-i-Kiev-(14)/Details. Retrieved 29 April 2016. 
  54. "Tulipa 'Kingsblood'". https://www.rhs.org.uk/Plants/58720/i-Tulipa-i-Kingsblood-(5)/Details. Retrieved 29 April 2016. 
  55. "Tulipa 'Lady Jane'". https://www.rhs.org.uk/Plants/194056/i-Tulipa-i-Lady-Jane-(15)/Details. Retrieved 29 April 2016. 
  56. "RHS Plant Selector - Tulipa saxatilis (Bakeri Group) 'Lila Wonder'". RHS. https://www.rhs.org.uk/Plants/67509/Tulipa-saxatilis-(Bakeri-Group)-Lilac-Wonder-(15)/Details. 
  57. "RHS Plant Selector - Tulipa 'Little Beauty'". RHS. https://www.rhs.org.uk/Plants/155507/Tulipa-Little-Beauty-(15)/Details. 
  58. "Tulipa 'Little Princess'". https://www.rhs.org.uk/Plants/197864/i-Tulipa-i-Little-Princess-(15)/Details. Retrieved 29 April 2016. 
  59. "RHS Plant Selector - Tulipa 'Maureen'". RHS. https://www.rhs.org.uk/Plants/48038/Tulipa-Maureen-(5)/Details. 
  60. "Tulipa 'Menton'". https://www.rhs.org.uk/Plants/72591/i-Tulipa-i-Menton-(5)/Details. Retrieved 29 April 2016. 
  61. "RHS Plant Selector - Tulipa 'Monte Carlo'". RHS. https://www.rhs.org.uk/Plants/79285/Tulipa-Monte-Carlo-(2)/Details. 
  62. "Tulipa 'Moonlight Girl'". https://www.rhs.org.uk/Plants/280164/i-Tulipa-i-Moonlight-Girl-(6)/Details. Retrieved 29 April 2016. 
  63. "Tulipa 'Mother's Love'". https://www.rhs.org.uk/Plants/333684/Tulipa-Mother-s-Love-(14)/Details. 
  64. "RHS Plant Selector - Tulipa 'Ollioules'". RHS. https://www.rhs.org.uk/Plants/154267/Tulipa-Ollioules-(4)/Details. 
  65. "Tulipa 'Olympic Flame'". https://www.rhs.org.uk/Plants/53579/i-Tulipa-i-Olympic-Flame-(4)/Details. Retrieved 29 April 2016. 
  66. "RHS Plant Selector - Tulipa 'Orange Emperor'". RHS. https://www.rhs.org.uk/Plants/52149/Tulipa-Orange-Emperor-(13)/Details. 
  67. "Tulipa 'Orange Princess". https://www.rhs.org.uk/Plants/154291/i-Tulipa-i-Orange-Princess-(11)/Details. Retrieved 29 April 2016. 
  68. "RHS Plant Selector - Tulipa 'Oranje Nassau'". RHS. https://www.rhs.org.uk/Plants/44522/Tulipa-Oranje-Nassau-(2)/Details. 
  69. "RHS Plant Selector - Tulipa 'Oranjezon'". RHS. https://www.rhs.org.uk/Plants/45098/Tulipa-Oranjezon-(4)/Details. 
  70. "RHS Plant Selector - Tulipa 'Oratorio'". RHS. https://www.rhs.org.uk/Plants/58009/Tulipa-Oratorio-(14)/Details. 
  71. "Tulipa 'Oxford'". https://www.rhs.org.uk/Plants/80459/i-Tulipa-i-Oxford-(4)/Details. Retrieved 29 April 2016. 
  72. "RHS Plant Selector - Tulipa 'Parade'". RHS. https://www.rhs.org.uk/Plants/45713/Tulipa-Parade-(4)/Details. 
  73. "Tulipa 'Paul Scherer". https://www.rhs.org.uk/Plants/243077/i-Tulipa-i-Paul-Scherer-(3)/Details. Retrieved 29 April 2016. 
  74. "Tulipa 'Peppermintstick'". https://www.rhs.org.uk/Plants/275433/i-Tulipa-i-Peppermintstick-(15)/Details. Retrieved 29 April 2016. 
  75. "RHS Plant Selector - Tulipa 'Pink Impression'". RHS. https://www.rhs.org.uk/Plants/45510/Tulipa-Pink-Impression-(4)/Details. 
  76. "RHS Plant Selector - Tulipa 'Plaisir'". RHS. https://www.rhs.org.uk/Plants/61718/Tulipa-Plaisir-(14)/Details. 
  77. "RHS Plant Selector - Tulipa 'Prinses Irene'". RHS. https://www.rhs.org.uk/Plants/43762/Tulipa-Prinses-Irene-(3)/Details. 
  78. "RHS Plant Selector - Tulipa 'Purissima'". RHS. https://www.rhs.org.uk/Plants/84029/Tulipa-Purissima-(13)/Details. 
  79. "RHS Plant Selector - Tulipa 'Red Georgette'". RHS. https://www.rhs.org.uk/Plants/76832/Tulipa-Red-Georgette-(5)/Details. 
  80. "Tulipa 'Red Hat'". https://www.rhs.org.uk/Plants/278079/i-Tulipa-i-Red-Hat-(7)/Details. Retrieved 29 April 2016. 
  81. "RHS Plant Selector - Tulipa 'Red Impression'". RHS. https://www.rhs.org.uk/Plants/155514/Tulipa-Red-Impression-(PBR)-(4)/Details. 
  82. "Tulipa 'Red Princess'". https://www.rhs.org.uk/Plants/300305/i-Tulipa-i-Red-Princess-(11)/Details. Retrieved 29 April 2016. 
  83. "RHS Plant Selector - Tulipa 'Red Riding Hood'". RHS. https://www.rhs.org.uk/Plants/92114/Tulipa-Red-Riding-Hood-(14)/Details. 
  84. "RHS Plant Selector - Tulipa 'Red Shine'". RHS. https://www.rhs.org.uk/Plants/76685/Tulipa-Red-Shine-(6)/Details. 
  85. "Tulipa ' '". https://www.rhs.org.uk/Plants/147727/i-Tulipa-i-Reputation-sup-(PBR)-sup-(3)/Details. Retrieved 29 April 2016. 
  86. "Tulipa 'Seadov'". https://www.rhs.org.uk/Plants/322591/Tulipa-Seadov-(3)/Details. 
  87. "Tulipa 'Sensual Touch'". https://www.rhs.org.uk/Plants/294474/i-Tulipa-i-Sensual-Touch-(7)/Details. Retrieved 29 April 2016. 
  88. "RHS Plant Selector - Tulipa 'Showwinner'". RHS. https://www.rhs.org.uk/Plants/66436/Tulipa-Showwinner-(12)/Details. 
  89. "RHS Plant Selector - Tulipa 'Sorbet'". RHS. https://www.rhs.org.uk/Plants/73434/Tulipa-Sorbet-(5)/Details. 
  90. "RHS Plant Selector - Tulipa 'Spring Green'". RHS. https://www.rhs.org.uk/Plants/68111/Tulipa-Spring-Green-(8)/Details. 
  91. "Tulipa 'Spryng'". https://www.rhs.org.uk/Plants/280124/i-Tulipa-i-Spryng-(3)/Details. Retrieved 29 April 2016. 
  92. "Tulipa bifloriformis 'Starlight'". https://www.rhs.org.uk/Plants/238892/i-Tulipa-bifloriformis-i-Starlight-(15)/Details. Retrieved 29 April 2016. 
  93. "Tulipa 'Stockholm'". https://www.rhs.org.uk/Plants/84081/i-Tulipa-i-Stockholm-(2)/Details. Retrieved 29 April 2016. 
  94. "RHS Plant Selector - Tulipa 'Stresa'". http://apps.rhs.org.uk/plantselector/plant?plantid=1970. Retrieved 6 July 2013. 
  95. "Tulipa 'Strong Gold'". https://www.rhs.org.uk/Plants/155532/i-Tulipa-i-Strong-Gold-(3)/Details. Retrieved 29 April 2016. 
  96. "RHS Plant Selector - Tulipa vvedenskyi 'Tangerine Beauty'". RHS. https://www.rhs.org.uk/Plants/68218/Tulipa-vvedenskyi-Tangerine-Beauty-(15)/Details. 
  97. "RHS Plant Selector - Tulipa 'Temple of Beauty'". RHS. https://www.rhs.org.uk/Plants/87846/Tulipa-Temple-of-Beauty-(5)/Details. 
  98. "Tulipa 'Timeless'". https://www.rhs.org.uk/Plants/278191/Tulipa-Timeless-(3)/Details. 
  99. "Tulipa 'Tinka'". https://www.rhs.org.uk/Plants/154270/i-Tulipa-i-Tinka-(15)/Details. Retrieved 29 April 2016. 
  100. "RHS Plant Selector - Tulipa 'Toronto'". RHS. https://www.rhs.org.uk/Plants/81418/Tulipa-Toronto-(14)/Details. 
  101. "RHS Plant Selector - Tulipa 'Trinket'". RHS. https://www.rhs.org.uk/Plants/74501/Tulipa-Trinket-(14)/Details. 
  102. "RHS Plant Selector - Tulipa altaica". RHS. https://www.rhs.org.uk/Plants/18490/Tulipa-altaica-(15)/Details. 
  103. "Tulipa clusiana var chrysantha". https://www.rhs.org.uk/Plants/91640/Tulipa-clusiana-var-chrysantha-(15)/Details. Retrieved 29 April 2016. 
  104. "RHS Plant Selector - Tulipa kolpakowskiana". RHS. https://www.rhs.org.uk/Plants/18523/Tulipa-kolpakowskiana-(15)/Details. 
  105. "RHS Plant Selector - Tulipa linifolia". RHS. https://www.rhs.org.uk/Plants/18523/Tulipa-kolpakowskiana-(15)/Details. 
  106. "RHS Plant Selector - Tulipa sprengeri". RHS. https://www.rhs.org.uk/Plants/18543/Tulipa-sprengeri-(15)/Details. 
  107. "RHS Plant Selector - Tulipa tarda". RHS. https://www.rhs.org.uk/Plants/18549/Tulipa-tarda-(15)/Details. 
  108. "RHS Plant Selector - Tulipa turkestanica". RHS. https://www.rhs.org.uk/Plants/18549/Tulipa-tarda-(15)/Details. 
  109. "RHS Plant Selector - Tulipa urumiensis". RHS. https://www.rhs.org.uk/Plants/18554/Tulipa-urumiensis-(15)/Details. 
  110. "Tulipa 'United States'". https://www.rhs.org.uk/Plants/194542/Tulipa-United-States-(14)/Details. 
  111. "Tulipa 'Vincent van Gogh'". https://www.rhs.org.uk/Plants/322562/Tulipa-Vincent-van-Gogh-(7)/Details. 
  112. "RHS Plant Selector - Tulipa 'White Triumphator'". RHS. https://www.rhs.org.uk/Plants/18554/Tulipa-urumiensis-(15)/Details. 
  113. "Tulipa 'World Expression'". https://www.rhs.org.uk/Plants/147678/i-Tulipa-i-World-Expression-(5)/Details. Retrieved 29 April 2016. 
  114. "Tulipa 'Yellow Baby'". https://www.rhs.org.uk/Plants/307802/i-Tulipa-i-Yellow-Baby-(2)/Details. Retrieved 29 April 2016. 
  115. "Tulipa 'Zampa'". https://www.rhs.org.uk/Plants/82966/i-Tulipa-i-Zampa-(14)/Details. Retrieved 29 April 2016.