Naiads are an annual, freshwater aquatic plant. Its leaves are 1” long and very narrow. Leaves are arranged in a whirl around the stem in groups of three. Stems grow 10” to 25” in length. Naiads can grow completely submerged or form floating mats. It will reproduce through seeds or by fragmentation.
You should begin treating naiads as soon as the plants begin growing under the surface and once the water temperature is above 60 degrees. A granular herbicide can be sprinkled into the water to treat the submersed weed while a liquid herbicide can be sprayed onto the floating mats. Reward and Hydrothol 191 are both effective in controlling naiads.
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