| No. | Sport Hostas | Mother Plant | Source | Registered |
|
1
| 'Daihakuryo' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
2
| 'Fuji Nishiki' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
3
| 'Fuji-no-Akebono' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
4
| 'Fuji-no-Yubae' | Hosta montana - | Watanabe, Kazuyuki | --NR-- |
|
5
| 'Genrei' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
6
| 'Gohon Matsu Fukurin' | Hosta montana - | Watanabe, Yoshifumi | --NR-- |
|
7
| 'Hatsuyuki Nishiki' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
8
| 'Kifukurin Ko Mame' | 'Ko Mame' | Watanabe, Kenji & Ruh, Peter | .2002 .2018 |
|
9
| 'Kinfukurin Ki Hachijo' | 'Ki Hachijo' | Watanabe, Kenji | --NR-- |
|
10
| 'Nakafu Tsugaru Komachi' | 'Tsugaru Komachi' | Watanabe, Kenji | --NR-- |
|
11
| 'O Fuji Fukurin' | Hosta montana - | Watanabe, Kazuyuki | --NR-- |
|
12
| 'Reiho Nishiki' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
13
| 'Sagae' | Hosta fluctuans | Watanabe, Kenji & Hagiwara, Eigon | .1987 |
|
14
| 'Saizaki Hime Iwa' | Hosta gracillima | Watanabe, Kenji | --NR-- |
|
15
| 'Shirofukurin Hime Iwa' | Hosta gracillima | Watanabe, Kenji & Ruh, Peter | .2002 |
|
16
| 'Shirofukurin Oba' | Hosta montana - | Watanabe, Kenji | --NR-- |
|
17
| 'Urajiro Ubatake' | Hosta pulchella | Watanabe, Kenji | --NR-- |
|
18
| 'Utsukushigahara Fukurin Oba' | Hosta montana - | Watanabe, Kenji | --NR-- |
|