| Ed Elslager Hostas | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Kilauea' | Medium | Med-Green | | - | Hybrid | Med-Lavender | July | .2001 |
| 'King of the Hill' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Near-White | July into August | .2005 |
| 'Kissing Cousin' | Medium | Blue/Green | Marginal | White | Sport | Pale-Lavender | July into August | .1998 |
| 'Krinkle Sister' | Large | Blue/Green | Medial | Yellow | Sport | Pale-Lavender | July | .2005 |
| 'Krinkle Twist' | Large | Blue/Green | Marginal | Yellow | TC Sport | Pale-Lavender | July | .2005 |
| 'Kuk's Concoction' | Large | Med-Green | Streaked | Yellow | Hybrid | Light-Purple | July | .1999 |
|