Fanwart (Cabomba Caroliniana)


Lakes, rivers, ponds, streams or canals. Most often found in slow moving or stagnant water less than 3 m deep. This bright green plant spreads aggressively, forming dense mats under or at the surface of the water. The plant can tolerate cold temperatures and stay green throughout the year. It prefers acidic water with a pH of about 4.8 to 7.8

Introduction and Range Within Canada:

First found in Ontario in a watershed northeast of Peterborough, it has quickly spread north throughout a lot of the surrounding inland lakes.


Fast growing plants form thick mats that crowd out native plants, block sunlight to submerged plants, disrupt fish communities and clog drainage canals and streams. It frequently clogs irrigation pump filters and equipment, impedes water flow and recreational water use such as swimming, boating and fishing.

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