MyHostas - the site for the Hostaholic
| Hosta | Royal Rainbow |
| Status | registered |
| Originator(s) | Paul Aden 1978 |
| Origin | 'Bold One' x 'Flamboyant' |
| Size category | small - medium |
| Plant height x width | |
| Leaf length x width | 25x20 cm (10x8 in.) |
| Vein pairs | 10 |
| Leaf color | white,dark green edge |
| Variegation | medio |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | 75 cm (30 in.) |
| Flower | lavender,flared |
| Flower length | |
| Fragrant | |
| Flowering period | July - August |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Cream/ two toned green edge. |
| Sports | |
| Progeny | |