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Fanwort aka Cabomba - Rooted Aquatic Weed 

Cabomba caroliniana is a rooted aquatic plant that produces red stems up to 6 feet long. Fan shaped leaves branch opposite of one another along the stems. Leaves can be green to dark green and sometimes reddish brown. Common names for this plant species include carolina fanwort and cabomba.

cabomba caroliniana

Where does cabomba grow?

Cabomba caroliniana is native to parts of south america. It is also native to some southern states in the US. While this plant isn't widespread through the United States, it is listed on a number of states' invasive species lists. Cabomba is commonly introduced from aquarium and garden pond owners that use this plant for habitat and oxygenation.

Fanwort spreads through fragmentation and seeds. Free floating fragments of fanwort can survive for up to 8 weeks. It can grow in water up to 10 feet deep.

Is cabomba caroliniana good for a pond?

Fanwort is classified as an invasive plant species in many states. It outcompetes desired aquatic plants. It is recommended to control Carolina Fanwort if spotted because it spreads easily in a wide depth range.

Herbicides to kill Cabomba plant

Sonar provides the best long term control. Sonar reacts slowly, taking 30-60 days for results. The entire pond must be treated for success. This treatment option is only for ponds with little or no flow coming into the pond. Sonar AS, Sonar One and Sonar RTU are available options.

Propeller is fast acting treatment option. Propeller comes in granular form but is dissolved in water and tank sprayed in areas where fanwort grows.

Tsunami DQ provides fast control of fanwort. To improve results mix with Cutrine (1 qt Tsunami, 1 gal Cutrine). This is a contact herbicide. Must come in contact in order to kill.

Cabomba Fanwort Control

Sonar AS Pond Herbicide

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Propeller Aquatic Herbicide

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Tsunami DQ Diquat Aquatic Herbicide

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