| Hosta | Devon Giant |
| Status | registered |
| Originator(s) | Ann & Roger Bowden/AHS/G. Alley 2019 |
| Origin | sieboldiana 'Elegans' seedling |
| Size category | xtra large |
| Plant height x width | 60x155 cm (24x61 in.) |
| Leaf length x width | 30x25 cm (12x10 in.) |
| Vein pairs | 13-14 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | corrugated, a bit cupped |
| Petiole | |
| Scape | green |
| Scape height | 85 cm (33 in.) |
| Flower | near white |
| Flower length | 5 cm (2 in.) |
| Fragrant | |
| Flowering period | June - July |
| Fertile | yes |
| Pod | green |
| Ploidy | |
| Patents | |
| Info | Develops the largest 'Elegans'-type leaves in our display. Needs moisture in Spring. Tall flowers more strongly coloured than the parent. Very tightly packed clump of numerous flowers top the tall scapes. Very fertile. |
| Sports | |
| Progeny | |