1. Abies lasiocarpa 'Martha's Vineyard'
2. Chamaecyparis thyoides 'Qiana'
3. Clematis 'Gabrielle' (hybrid)
4. Clematis 'Starfish' (hybrid)
5. Cornus kousa 'Big Apple'
6. Cornus kousa 'Blue Shadow'
7. Cornus kousa 'Gay Head'
8. Cornus kousa 'Julian'*
9. Cornus kousa 'Pollywood'
10. Cornus kousa 'Snowbird'
11. Cornus kousa 'Square Dance'
12. Cornus kousa 'Steeple'
13. Ilex crenata 'Muffin' (male)
14. Ilex opaca 'Barnard Luce'
15. Ilex opaca 'Matha's Vineyard'
16. Ilex opaca 'Nelson West' (male)
17. Ilex opaca 'Villanova'
18. Ilex verticillata 'Chickemmoo'
19. Ilex verticiilata 'Aquinnah'
20. Ilex verticillata 'Bright Horizon'
21. Ilex verticillata 'Earlibright'
22. Ilex verticillata 'Quansoo' (male)
23. Ilex verticillata 'Quitsa'
24. Ilex verticillata 'Short Cake'
25. Ilex verticillata 'Tiasquam'
26. Ilex 'Pernella' (Ilex cornuta x pernyi) x Ilex aquifolium
27. Juniperus virginiana 'Essex Weeping'
28. Juniperus virginiana 'Martha's Vineyard' (dwarf)
29. Magnolia obovata 'Lydia'
30. Magnolia officinalis x Magnolia tripetala 'David'
31. Magnolia macrophylla 'Julian Hill'
32. Malus hupehensis 'Garlands'*
33. Malus hupehensis 'Wayne Douglas'
34. Malus 'Louisa' (hybrid)
35. Oxydendrum arboreum 'Chameleon'
36. Rhododendron atlanticum 'Marydel'
37. Rhododendron cumberlandense 'Chalif'
38. Rhododendron cumberlandense 'Sizzler'
39. Rhododendron cumberlandense 'Sunlight'
40. Rhododendron kaempferi var. leucanthum 'Libby'
41. Rhododendron kaempferi var. leucanthum 'Corinna Borden'
42. Rhododendron macrosepalum 'Ladylocks'
43. Rhododendron makinoi 'Lydia Richards'
44. Rhododendron makinoi 'Temple Flutes'*
45. Rhododendron nakaharae 'Fuzzy'
46. Rhododendron nakaharae 'Mount Seven Star'
47. Rhododendron nakaharae 'Nakami'
48. Rhododendron sanctum 'Zeke'
49. Rhododendron viscosum 'Delaware Blue'
50. Rhododendron yakusimanum 'Wild Wealth'
51. Rhododendron 'Alexander (hybrid)
52. Rhododendron 'Andante' (hybrid)
53. Rhododendron 'Bartlett' (hybrid)
54. Rhododendron 'Big Yak' (hybrid)
55. Rhododendron 'Eiko San' (hybrid)
56. Rhododendron 'Gabrielle Hill' (hybrid)
57. Rhododendron 'Hot Line' (hybrid)
58. Rhododendron 'Jeff Hill' (hybrid)
59. Rhododendron 'Joseph Hill' (hybrid)
60. Rhododendron 'Late Love' (hybrid)
61. Rhododendron 'Louisa' (hybrid)
62. Rhododendron 'Marilee' (hybrid)
63. Rhododendron 'Matsuyo' (hybrid)
64. Rhododendron 'Michael Hill' (hybrid)
65. Rhododendron 'Midori' (hybrid)
66. Rhododendron 'Pink Pancake' (hybrid)
67. Rhododendron 'Red Fountain' (hybrid)
68. Rhododendron 'Samisen' (hybrid)
69. Rhododendron 'Susannah Hill' (hybrid)
70. Rhododendron 'Trill' (hybrid)
71. Rhododendron 'Tsuneshige Rokujo' (hybrid)
72. Rhododendron 'Wintergreen' (hybrid)
73. Rhododendron 'Yaye' (hybrid)
74. Rhododendron 'Yuka' (hybrid)
75. Stewartia pseudocamellia 'Ballet'
76. Stewartia pseudocamellia 'Milk & Honey'
77. Stewartia pseudocamellia 'Mint Frills'
78. Stewartia malacodendron 'Delmarva'
79. Stewartia ovata 'Red Rose'
80. Stewartia ovata 'White Satin'
81. Stewartia ovata 'Royal Purple'
82. Stewartia sinensis 'Mei-Li Shu'*
83. Stewartia pseudocamellia x Stewartia monodelpha 'Skyrocket'

* = not registered