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Submerged portions of all aquatic
plants provide habitats for many micro and macro invertebrates.
A fast growing and hardy plant species American Pondweed (also
known as long leaf pondweed) forms dense mats and block
sunlight for submersed vegetation species.
American Pondweed (Potamogeton nodosus) has submersed and
floating oval shaped leaves 4 - 7 inches long and up to 2
inches wide. Leaves are arranged in an alternated pattern on
When full maturity is reached, seed heads are seen extending
above the water's surface and are brownish to reddish in color.
There are several other similar plants with floating
leaves like Illinois, Floating and Waterthread Pondweeds. These
plants are common and widespread throughout the United
A. Herbicide Application:
Hydrothol 191 Granular or Aquathol Super K granular are very good
A. Once water temperatures are around sixty
degrees or warmer and the plants are viable.
A. Granular herbicides can be spread by a small
hand held spreader or can be tossed by a hand scoop.
A. Generally, there is little regrowth within
the same season. Note that some aquatic species like the Naiad
family grow later in the season that may require a mid to later
season treatment to achieve season long clear water.
A. Generally within two weeks things will be
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