| Hosta | Treasure Island |
| Status | registered |
| Originator(s) | Tony Avent 1998 |
| Origin | yingeri selection |
| Size category | small |
| Plant height x width | |
| Leaf length x width | 19x13 cm (7x5 in.) |
| Vein pairs | 10 |
| Leaf color | dark green |
| Variegation | |
| Leaf | shiny |
| Petiole | green |
| Scape | |
| Scape height | |
| Flower | purple,spider |
| Flower length | |
| Fragrant | |
| Flowering period | August - September |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | =yingeri 'Treasure Island'. A selected form of H. yingeri. |
| Sports | |
| Progeny | 'Get Nekkid' = 'Elvis Lives' x PP 'Pirates Booty' hybrid 'Potomac Pride' = 'Blue Umbrellas' x PP 'Rowan My Boat' = ('Butternut Hill' x 'Azure Snow') x PP |