Hottonia palustris is a rare native oxygenating plant, preferring clear water high in mineral content. It produces prolific ferny foliage and pale violet to white flowers. It prefers very shallow and slightly shaded positions and will also grow on wet mud, though prefers to be submerged.
| Plant max height CM | Planting depth cm | Flowering from month | Flowering to month | Availability from month | Availability to month |
| 10 | 0-80 | 6 | 8 | 5 | 8 |
