Hosta "Rosedale Black Hole" information:
| Size Category | large |
| Hosta height x width | inches |
| Leaf length x width | inches |
| Vein pairs | |
| Leaf color | |
| Variegation | |
| Leaf type | |
| Petiole | |
| Scape | |
| Scape height |
| Flower | |
| Fragrant | |
| Flower length | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Sports | |
| Progeny | 'Capricorn' seedling 'Gandy Dancer' seedling 'Lela's Quilt' seedling 'Pluto' seedling 'Sagittarius' seedling 'Scorpio' seedling 'Taurus' seedling |
