Eleocharis pusilla (usually sold as 'Eleocharis parvula')
Low-growing hairgrass (a sedge) that spreads by runners into a dense lawn; easy, but needs regular trimming to stay low. Usually sold as E. parvula but identified as E. pusilla.
Needs
Care levelEasy
LightLow
CO₂Not needed
GrowthMedium
HeightUp to 10 cm
Temperature20–25 °C
WhereFront of the tank
Feeds throughLeaves, from the water
FamilyCyperaceae
Native toTrade plant (E. pusilla): Australia and New Zealand. True E. parvula: temperate Northern Hemisphere (Europe, Asia, North America), mostly coastal brackish habitats
Facts checked against sources on 16 Oct 2026. See sources
Picture coming