| Hosta | Red Ninja |
| Status | registered |
| Originator(s) | Ninja Kramer/Plantipp BV 2024 |
| Origin | 'First Blush' sport |
| Size category | |
| Plant height x width | 30x38 cm (12x15 in.) |
| Leaf length x width | 8x7 cm (3x3 in.) |
| Vein pairs | 5-6 |
| Leaf color | |
| Variegation | edge |
| Leaf | |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | |
| Flower length | |
| Fragrant | |
| Flowering period | |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | Dark green leaves with strong dark red centers. This variety retains its unique color throughout the growing season. This hosta is named after Ninja Kramer (the Originator). |
| Sports | |
| Progeny | |