| Hosta | Sunny Halcyon |
| Status | registered |
| Originator(s) | Gerard Heemskerk 2021 |
| Origin | 'Catherine' sport |
| Size category | medium |
| Plant height x width | 38x75 cm (15x30 in.) |
| Leaf length x width | 20x14 cm (8x6 in.) |
| Vein pairs | 9 |
| Leaf color | |
| Variegation | |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | pale lavender |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Gold leafed form of H. 'Halcyon'. Nice heart-shaped leaves are very thick and form a perfect mound. Leaves will be more chartreuse in shade an a brighter yellow in more sun. Lavender flowers in summer. Yellow leaves and thick texture. |
| Sports | |
| Progeny | |