| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Hime Urajiro Hyaga' | Miniature | Med-Green | | | Sport | Near-White | August to September | Unknown | --NR-- |
|
2
| 'Hosoba Urajiro' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
3
| Hosta urajiro itaya | | | | | Duplicate | | | Duplicate Name | |
|
4
| 'Hyuga Urajiro' | | - | | | Duplicate | - | | Duplicate Name | |
|
5
| 'Iwa Urajiro Daifukurin' | Large | Med-Green | Marginal | Yellow | Sport | Unknown | Unknown | Unknown | --NR-- |
|
6
| 'Kifukurin Urajiro Hyuga' | Medium | Med-Green | Marginal | Yellow | Sport | Near-White | Unknown | Unknown | --NR-- |
|
7
| 'Kishimafu Urajiro Saigoku Iwa Giboshi' | Medium | Med-Green | Streaked | Yellow | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
8
| 'Ko Urajiro' | Unknown | Blue/Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
9
| 'Murasaki Kuki Urajiro' | Medium | Med-Green | | | Hybrid | Med-Lavender | Unknown | Unknown | --NR-- |
|
10
| 'Ogon Ko Urajiro' | Unknown | Yellow | | | Hybrid | Unknown | Unknown | Watanabe, Kenji | --NR-- |
|
11
| 'Ogon Urajiro' | Medium | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
12
| 'Shirobana Urajiro' | Unknown | Med-Green | | | Hybrid | Near-White | Unknown | Unknown | --NR-- |
|
13
| 'Shirofukurin Urajiro Iwa' | Small | Med-Green | Marginal | White | Sport | Unknown | Unknown | Unknown | --NR-- |
|
14
| 'Urajiro Amagi Iwa' | Medium | Dark-Green | | | Sport | Unknown | September | Unknown & Walek, Kevin & The American Hosta Society | .2009 |
|
15
| 'Urajiro Gibōshi' | | - | | | Duplicate | - | | Duplicate Name | |
|
16
| 'Urajiro Hachijo', H. longipes | | | | | Duplicate | | | Duplicate Name | |
|
17
| 'Urajiro Hachijo', H. rupifraga | Medium | Med-Green | | | Sport | Light-Purple | September | Unknown | --NR-- |
|
18
| 'Urajiro Hyuga Gibōshi' | | - | | | Duplicate | - | | Duplicate Name | |
|
19
| 'Urajiro Itaya' | Medium | Dark-Green | Streaked | Yellow | Unknown | Med-Lavender | June to July | Maillot, Guy | --NR-- |
|
20
| 'Urajiro Iwa' | Medium | Med-Green | | | Sport | Light-Purple | September | Unknown | --NR-- |
|
21
| 'Urajiro Izu Iwa' | Small | Dark-Green | | | Sport | Med-Lavender | August to September | Unknown & Walek, Kevin & The American Hosta Society | .2009 |
|
22
| 'Urajiro Ko Iwa' | Miniature | Med-Green | | | Hybrid | Unknown | Unknown | Watanabe, Kenji | --NR-- |
|
23
| 'Urajiro Musashino' | Small | Med-Green | | | Sport | Light-Purple | August to September | Unknown | --NR-- |
|
24
| 'Urajiro Oba' | Large | Med-Green | | | Sport | Unknown | Unknown | Unknown | --NR-- |
|
25
| 'Urajiro Sudare' | Large | Dark-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
26
| 'Urajiro Ubatake' | Small | Med-Green | | | Sport | Light-Purple | July | Watanabe, Kenji | --NR-- |
|
27
| 'Urajiro', H. clavata | | - | | | Duplicate | - | | Duplicate Name | |
|
28
| 'Urajiro', H. longipes | | - | | | Duplicate | - | | Duplicate Name | |
|
29
| 'Urajiro', H. montana | | - | | | Duplicate | - | | Duplicate Name | |
|
30
| 'Urajiro', H. pulchella | | - | | | Duplicate | - | | Duplicate Name | |
|
31
| 'Urajiro', H. rupifraga | Small | Med-Green | | | Sport | Deep-Purple | Unknown | Nigishi | --NR-- |
|