| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Katana' | Medium | Blue/Green | - | - | Hybrid | - | - | Meyer, Bill | --NR-- |
|
2
| 'Kempen Grey Master' | Large | Blue/Green | | | Hybrid | | | Butaye, Patrick | --NR-- |
|
3
| 'Kempen Light Goalkeeper' | Large | Light-Green | | | Unknown | | | Butaye, Patrick | --NR-- |
|
4
| 'Kempen Sorbet' | Medium | Yellow | | | Nat-Sport | Med-Lavender | August to September | Butaye, Patrick | --NR-- |
|
5
| 'Kempen Waving Shadow' | Medium | Light-Green | - | - | Hybrid | - | - | Butaye, Patrick | --NR-- |
|
6
| 'Kermit' | Small | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July into August | Lydell, Ransom | --NR-- |
|
7
| 'Kifu Hime' | Large | Med-Green | - | - | Sport | Near-White | August to September | Longwood Gardens | --NR-- |
|
8
| 'Kifukurin Ubatake' | Miniature | Dark-Green | Marginal | White | Sport | Light-Purple | August | Unknown & Ruh, Peter | .2002 .2018 |
|
9
| 'King's Fond Memories' | Medium | Med-Green | Marginal | Yellow | Unknown | - | - | King, Herb | --NR-- |
|
10
| 'King's Sir Tristan' | Medium | Med-Green | Marginal | Yellow | Unknown | - | - | King, Herb | --NR-- |
|
11
| 'Kisuji' | Medium | Light-Green | Streaked | Yellow | Sport | Light-Purple | August | Unknown | --NR-- |
|
12
| 'Kitty Hawk' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | August | Herold, Roy | .2000 |
|
13
| 'Kiwi Biddy Blue' | Small | Blue/Green | - | - | Hybrid | - | - | Sligh, Barry | --NR-- |
|
14
| 'Koyurugi' | Medium | Med-Green | Streaked | Speckles | Hybrid | - | - | Onoda | --NR-- |
|
15
| 'Kyokkou' | Miniature | Dark-Green | Medial | Yellow | Unknown | Light-Purple | June into July | Unknown | --NR-- |
|