| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Katahdin' | Unknown | Unknown | Streaked | Unknown | Hybrid | Unknown | Unknown | Moore, Jeff | --NR-- |
|
2
| 'Kempen Metallica' | Medium | Blue/Green | | | Unknown | Near-White | Unknown | Butaye, Patrick | --NR-- |
|
3
| 'Kettle Moraine' | Giant | Dark-Green | | | Unknown | Med-Lavender | June to July | Geske, Bob & Geske, Justin | .2022 |
|
4
| 'Key Lime Pie' (Lydell) | Medium | Light-Green | Marginal | Yellow | Unknown | Unknown | Unknown | Lydell, Ran | --NR-- |
|
5
| 'King Lizard' | Large | Dark-Green | | | Hybrid | Light-Purple | July | Rogers, Floyd | .2003 |
|
6
| 'King's Garland of Gold' | Small | Yellow | | | Unknown | Unknown | Unknown | King, Herb | --NR-- |
|
7
| 'King's Tribute' | Large | Dark-Green | Marginal | Yellow | Unknown | Unknown | Unknown | King, Herb | --NR-- |
|
8
| 'Kirkside Golden Parachute' | Giant | Yellow-Gold | | | Hybrid | Pale-Lavender | July | Hanna, Clarence | .2021 |
|
9
| 'Kwickdraw' | Large | Med-Green | | | Hybrid | Pale-Lavender | July to August | Kwick, Charles | .2022 |
|