Brazilian Waterweed


  • Submerged in water
  • Smooth Stems
  • Dark green leaves
  • Leaves in patterns of spirals of 3 to 6
  • White flowers; 3 petals less than one inch wide with yellow centers
  • Length 1 to 3 feet
  • Height up to 6 feet

Weed Pictures

[Not a valid template]

Weed Information

ControlBiological and aquatic herbicides. Contact your county weed district or local commercial applicator for additional information.
HabitatSprings, lakes, ponds, marshes, ditches and rivers.
RootNodes along the stem fall off and start new plants.
Leaf ShapeBlade-shaped.
LifespanPerennial; two years or longer.
Priority 3 WeedNot a noxious weed, but a regulated plant; potential for significant negative economic and ecological impacts.
Similar Looking PlantsHydrilla and Elodea.
Important InformationMore robust than Hydrilla; indentifiable by flowers and leaves. Hydrilla produces tubers and turions while Brazilian waterweed does not.