MyHostas - the site for the Hostaholic
| Hosta | Blue Mountains |
| Status | registered |
| Originator(s) | Piet Warmerdam/AHS/G. Alley 2020 |
| Origin | sieboldiana 'Elegans' x 'Halcyon' |
| Size category | large |
| Plant height x width | 60x100 cm (24x39 in.) |
| Leaf length x width | 28x22 cm (11x9 in.) |
| Vein pairs | 18 |
| Leaf color | blue |
| Variegation | |
| Leaf | a bit corrugated |
| Petiole | |
| Scape | pale blue |
| Scape height | 60 cm (24 in.) |
| Flower | near white |
| Flower length | |
| Fragrant | |
| Flowering period | June |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Info | ='Blue Mountain'. The size of 'Elegans' and the form of 'Halcyon', a very large 'Halcyon'. Upright clump of powdery blue-green leaves that hold their bluish cast well throughout the season. |
| Sports | |
| Progeny | |