Acorus have horizontal rhizomes with narrow bright green pointed leaves with spread like a fan. These plants do well at temperatures of around 22 c. Acorus pusillus Common Name: Dwarf rush, Sweet flag A marsh plant from Eastern Asia that can be adapted to aquatic life. Very slow growing in its submerged form pH range: 6.4 - 7.2 Temperature range: 19 - 22C Water hardness: 100 - 200 ppm Propagation: By rhizome cutting. Best propagated emersed as a bog plant Habitat: Eastern Asia Acorus Read more