| Hosta | Kerplunk |
| Status | registered |
| Originator(s) | Herb Benedict/Pete & Jean Ruh 2005 |
| Origin | 'Kabitan' seedling |
| Size category | medium |
| Plant height x width | 48x97 cm (19x38 in.) |
| Leaf length x width | 28x13 cm (11x5 in.) |
| Vein pairs | 8 |
| Leaf color | yellow>greenish-yellow |
| Variegation | viridescent |
| Leaf | wavy, flat |
| Petiole | |
| Scape | |
| Scape height | 79 cm (31 in.) |
| Flower | lavender,tubular |
| Flower length | 7 cm (2.8 in.) |
| Fragrant | |
| Flowering period | August - September |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Named for the sound it made when it was thrown in a ravine by Benedict? Later greenish yellow to light green, pendulous scapes. |
| Sports | |
| Progeny | |