Water Wisteria (Hygrophila Difformis) Common name: Water Wisteria Scientific name: Hygrophila Difformis Origin: India, Nepal Maximum height: 24" Placement: Background Propagation: Cuttings pH: 5.8-7.6 Temperature: 74-82F Light requirements: Low CO2 Requirements: Low Growth rate: Very Fast Care level: Easy Kingdom: Plantae Family: Acanthaceae Genus: Hygropila Species: H. Difformis Also known as: Floating Wisteria