| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Ka-ching' | Giant | Dark-Green | - | - | Unknown | Pale-Lavender | June into July | Zolock, Steve & Zolock, Sarah | .2011 |
|
2
| 'Kalyn's Joy' | Giant | Blue/Green | | - | Hybrid | Near-White | June into July | Hurlbert, D. | .2019 |
|
3
| 'Karamoosh' | Large | Dark-Green | Marginal | White | Hybrid | Med-Lavender | July into August | Kuk, Bob | .2008 |
|
4
| 'Kathy's Clown' | Large | Dark-Green | Medial | Yellow | Sport | Med-Lavender | July into August | Ripperger, Kathy | .2008 |
|
5
| 'Keel' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into August | Gilligan, Madelon | .2012 |
|
6
| 'Keep it Dark' | Medium | Dark-Green | - | - | Hybrid | Med-Lavender | June into July | Gilligan, Madelon | .2017 |
|
7
| 'Kelly' | Large | Blue/Green | - | - | Sport | Near-White | June into July | Scolnik, Patricia & Walek, Kevin | .2009 |
|
8
| 'Kempen Metallica' | Medium | Blue/Green | | | Unknown | Near-White | | Butaye, Patrick | --NR-- |
|
9
| 'Kempton Run' | Medium | Med-Green | Marginal | White | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2011 |
|
10
| 'Kenny's Bob' | Small | Light-Green | Marginal | White | Unknown | Med-Lavender | June into July | Frederick, Ken & Peterzen, P. | .2012 |
|
11
| 'Kerfuffle' | Medium | Light-Green | Marginal | Yellow | Sport | Light-Purple | July | Zilis, Mark | .2011 |
|
12
| 'Kerry Man' | Giant | Blue/Green | - | - | Sport | Near-White | June into July | Gilligan, Madelon | .2015 |
|
13
| 'Kettle Moraine' | Giant | Dark-Green | | | Unknown | Med-Lavender | June into July | Geske, Bob & Geske, Justin | .2022 |
|
14
| 'Keuka Kiss' | Large | Dark-Green | - | - | Hybrid | Pale-Lavender | July into August | Brandt-Sorheim, Peter & McElwee, Molly | .2002 |
|
15
| 'Key Lime Pie' (Lydell) | Medium | Light-Green | Marginal | Yellow | Unknown | | | Lydell, Ran | --NR-- |
|
16
| 'Key West' | Giant | Yellow | - | - | Hybrid | Near-White | June into July | Petryszyn, Olga | .1999 |
|
17
| 'Kim Sue' | Medium | Med-Green | Streaked | Yellow | Unknown | Near-White | August to September | Freeman, Franc | .2009 |
|
18
| 'King Cobra' | Medium | Light-Green | - | - | Hybrid | Pale-Lavender | June into July | Scheer, Alttara & Gilligan, Madelon | .2015 |
|
19
| 'King John' | Giant | Blue/Green | - | - | Sport | - | July into August | Schwarz, Jim | .2010 |
|
20
| 'King of Buchanan' | Medium | Med-Green | Marginal | Yellow | Hybrid | Near-White | June into July | Groothuis, Mike | .2019 |
|
21
| 'King's Fairest of Them All' | Small | Yellow | | | Unknown | | | King, Herb | --NR-- |
|
22
| 'King's Lady Hyacinth' | Medium | Med-Green | Marginal | Yellow | Unknown | - | - | King, Herb | --NR-- |
|
23
| 'King's Queen of Hearts' | Medium | Blue/Green | Streaked | Yellow | Unknown | | | King, Herb | --NR-- |
|
24
| 'King's Treasure' | Medium | Dark-Green | Marginal | Yellow | Unknown | | | King, Herb | --NR-- |
|
25
| 'Kingsize' | Giant | Dark-Green | - | - | Sport | Pale-Lavender | June | Van Eechaute, Danny | .2013 |
|
26
| 'Kingwood Center' | Medium | Blue/Green | Medial | Yellow | Sport | Pure-White | July | Applegate, Charles & Kingwood Center | .1993 .2018 |
|
27
| 'Kiss Me Kwick and Don't Slobber' | Large | Light-Green | - | - | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
|
28
| 'Kisserina' | Small | Yellow | - | - | Hybrid | Pale-Lavender | July into August | Kwick, Charles | .2017 |
|
29
| 'Klingon' | Medium | Dark-Green | - | - | Sport | Pale-Lavender | June into July | Zilis, Mark & Schwarz, Jim | --NR-- |
|
30
| 'Klondike' | - | Med-Green | Streaked | Yellow | Unknown | - | - | Benedict, Dr Ralph (Herb) & Benedict, Dorothy & Kuenster, Rod | .2010 |
|
31
| 'Koneko Falls' | Large | Yellow | Marginal | Green | Hybrid | - | - | Pether, Glen | --NR-- |
|
32
| 'Krinkled Joy' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Arett, Anne & Armstrong, Maxine & The American Hosta Society | .1986 |
|
33
| 'Kristie's Key Lime Pie' | Large | Yellow | - | - | Unknown | Near-White | June | Unknown | --NR-- |
|
34
| 'Kwick’s Golden Ladder' | Medium | Yellow | | | TC Sport | Med-Lavender | July | Kwick, Charles | .2022 |
|
35
| 'Kwick’s Ladder of Emerald Hearts' | Medium | Med-Green | | | Hybrid | Med-Lavender | July into August | Kwick, Charles | .2022 |
|