| No. | Miniature Size Hostas | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Kafka Mouse' | Blue/Green | Marginal | Green | Unknown | Med-Lavender | - | Van Eechaute, Danny | --NR-- |
|
2
| 'Kairyo Hinsyu' | Med-Green | Medial | White | Sport | Unknown | - | Unknown | --NR-- |
|
3
| 'Kanzi' | Med-Green | Marginal | Yellow | Sport | Med-Lavender | July into August | Wittebol, R. & Van Eechaute, Danny | --NR-- |
|
4
| 'Kate's Legacy' | Dark-Green | Streaked | White | Sport | Med-Lavender | June into July | Rahe, Lora | .2010 |
|
5
| 'Ki Nakafu Otome' | Light-Green | Marginal | Green | Unknown | Deep-Purple | June into July | Unknown & Zilis, Mark | .2003 .2018 |
|
6
| 'Kifukurin Ko Mame' | Med-Green | Marginal | White | Sport | Light-Purple | August to September | Watanabe, Kenji & Ruh, Peter | .2002 .2018 |
|
7
| 'Kifukurin Otome' | Med-Green | Marginal | Yellow | Hybrid | Light-Purple | July | Unknown | --NR-- |
|
8
| 'Kifukurin Ubatake' | Dark-Green | Marginal | White | Sport | Light-Purple | August | Unknown & Ruh, Peter | .2002 .2018 |
|
9
| 'Kinbotan' | Med-Green | Marginal | Yellow | Sport | Med-Lavender | August to September | Unknown & Ruh, Peter | .2002 .2018 |
|
10
| 'Kiss of Innocence' | Yellow-Gold | | - | Hybrid | Med-Lavender | August | Kwick, Charles | .2020 |
|
11
| 'Kiwi Gold Petite' | Yellow | | - | Unknown | Unknown | - | Sligh, Barry | --NR-- |
|
12
| 'Kiwi Golden Thimble' | Yellow | | - | Hybrid | Light-Purple | July | Sligh, Barry | --NR-- |
|
13
| 'Kiwi Minnie Blue' | Blue/Green | | - | Hybrid | Med-Lavender | July into August | Sligh, Barry | .1999 |
|
14
| 'Kleiner Schelm' | Light-Green | | - | Unknown | Med-Lavender | - | Kohlein, Fritz | --NR-- |
|
15
| 'Knockout Mouse' | Med-Green | Marginal | Yellow | Sport | Unknown | - | Fransen, Marco & Fransen, Joyce | --NR-- |
|
16
| 'Ko Iwa' | Med-Green | | - | Hybrid | Unknown | Unknown | Watanabe, Kenji | --NR-- |
|
17
| 'Ko Mame' | Light-Green | | - | Unknown | Med-Lavender | September | Unknown & Ruh, Peter | .2002 .2018 |
|
18
| 'Kogarashi Nakafu' | Med-Green | Medial | Yellow | Sport | Med-Lavender | September | Unknown | --NR-- |
|
19
| 'Komame' | Med-Green | | - | Sport | Med-Lavender | August | Unknown | --NR-- |
|
20
| 'Kwick's Perky Purple Pixie' | Yellow | | | Hybrid | Deep-Purple | July | Kwick, Charles | .2021 |
|
21
| 'Kyokkou' | Dark-Green | Medial | Yellow | Unknown | Light-Purple | June into July | Unknown | --NR-- |
|