Plants / Carpet & Foreground
Pygmy chain sword
Carpet & Foreground

Pygmy chain sword

Helanthium tenellum

Fine grassy carpet plant that spreads by runners across the foreground; the smallest runner-forming sword, with leaves green to reddish.

Needs

Care levelModerate
LightMedium
CO₂Helps
GrowthFast
HeightUp to 10 cm
Temperature18–28 °C
WhereFront of the tank
Feeds throughLeaves, from the water
FamilyAlismataceae
Native toCentral & E USA to tropical & subtropical America
Facts checked against sources on 16 Oct 2026. See sources

How to keep it

  • Good light
  • Nutrient-rich substrate
  • Too little light

Sources

14 facts checked with sources