| Hosta | Prairie Sky |
| Status | registered |
| Originator(s) | Hans Hansen 2005 |
| Origin | ((x rupifraga) x 'Maruba Iwa') x 'Blue Jay' |
| Size category | medium |
| Plant height x width | 36x90 cm (14x35 in.) |
| Leaf length x width | 18x15 cm (7x6 in.) |
| Vein pairs | 9-11 |
| Leaf color | blue |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | blue-green |
| Scape height | 60 cm (24 in.) |
| Flower | pale lavender,tubular |
| Flower length | 5 cm (2 in.) |
| Fragrant | |
| Flowering period | July - August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | PP17309 |
| Info | PP17309 (26/12/2006). Wonderful hybrid from Hosta 'Blue Jay' with nicely cupped powder-blue leaves topped with pale lavender flowers in midsummer. Makes a tight clump. Holds it's color well into the summer. |
| Sports | |
| Progeny | |