• Appearance of tiny, green fir trees growing on the water
  • Waxy coating on stems and leaves which can grow 1 foot above the water
  • Smooth, thick reddish stems
  • Height up to 5 feet

Weed Pictures

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Weed Information

ControlAquatic herbicide. Contact your County Weed District or local Applicator for more information.
HabitatLake and pond edges, drainage canals, slow moving waterways and rivers.
RootExtensive, shallow root system.
Leaf ShapeFeather-like leaves.
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 PlantsErasian watermilfoil, Northern watermilfoil, Coontail and water marigold.
Important InformationCommonly sold for aquaria and aquatic gardens; it has escaped to become invasive in ponds and other calm water bodies. Can reproduce from roots and plant fragments.