| Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Kanzi' | Wittebol, R. & Van Eechaute, Danny | Miniature | Med-Green | Marginal | Yellow | Sport | Med-Lavender | July into August | --NR-- |
| 'Kazaguruma' | Sneyers, Rob | Medium | - | - | - | Hybrid | - | - | --NR-- |
| 'Kempen Cream Star' | Butaye, Patrick | Medium | - | - | - | Hybrid | - | - | --NR-- |
| 'Kempen Golf Sticks' | Butaye, Patrick | Large | Med-Green | - | - | Unknown | - | - | --NR-- |
| 'Kempen Lightkeeper' | Butaye, Patrick | Large | Yellow | - | - | Unknown | - | - | --NR-- |
| 'Kempen Lutino Bird' | Butaye, Patrick | Medium | Med-Green | - | - | Unknown | - | - | --NR-- |
| 'Kempen Magenta Blue' | Butaye, Patrick | Large | Blue/Green | - | - | Hybrid | - | - | --NR-- |
| 'Kempen Red Twist' | Butaye, Patrick | Large | Med-Green | Streaked | White | Hybrid | Pale-Lavender | July into August | .2014 |
| 'Kempen Rhubarb Taste' | Butaye, Patrick | Large | Med-Green | - | - | Unknown | - | - | --NR-- |
| 'Kempen Salad Bar' | Butaye, Patrick | Medium | Med-Green | Streaked | White | Hybrid | - | - | --NR-- |
| 'Kempen Saw Blade' | Butaye, Patrick | Medium | Med-Green | Streaked | White | Hybrid | - | July | --NR-- |
| 'Kempen Sky High' | Butaye, Patrick | Medium | Blue/Green | - | - | Hybrid | Light-Purple | July into August | .2015 |
| 'Kempen Waving Shadow' | Butaye, Patrick | Medium | Light-Green | - | - | Hybrid | - | - | --NR-- |
| 'Kingsize' | Van Eechaute, Danny | Giant | Dark-Green | - | - | Sport | Pale-Lavender | June | .2013 |
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