Weed Control
How to Control Aquatic Weed Types and Aquatic Plants
Ponds grow a variety of pond weed types, many of which look similar. The aquatic weed identification information below lists the most common weed types -- including emergent, submerged, and floating weeds -- to help you explore and identify aquatic weeds in your pond or lake.
For those looking for weed control solutions, Lake Restoration has developed all-in-one pond and lake weed control kits that make it unnecessary to identify the type of weeds in your pond. Feel free to use the information below to facilitate your pond weed identification goals, or contact us today to talk to our customer support team about the right control product for your pond or lake.
Water Stargrass
Water stargrass has thin green leaves and small, yellow, star–shaped flowers.
Bur Reed
Bur reed is a tall grass-like plant with distinctive prickly-looking flowers.
Frog’s Bit
Frog’s Bit is an emergent aquatic plant with round to heart-shaped leaves and white flowers.
Spatterdock, Cow Lily
Spatterdock has large heart-shaped leaves that float on the water or stand up some and yellow flowers.
Arrowhead
Arrowhead has large arrow–like leaves and white flowers.
Pickerelweed
Pickerelweed has elongated heart–shaped leaves with violet-blue flowers.
Parrot’s Feather
Parrot’s feather has feathered leaves that come above the water’s surface and can look like they are made of plastic.
Floating Primrose
Floating primrose leaves emerge from the water’s surface and the plant blooms with five-petal yellow flowers.
Bulrush
Bulrushes are long grass–like plants with brown spiky flowers that bloom in spring.
Purple Loosestrife
Purple loosestrife has woody, square stems with purple flowers at the ends.
Phragmites
Phragmites have round, hollow stems with a seed head at the end of the stem.
Water Shield
Water shield’s floating leaves are smaller than lilies, green on the top and brown and slimy on the bottom; flowers are typically brownish.
Water Lily, Lily Pad
Water lily is rooted with large round leaves that have a notch in them; it flowers in summer.
Cattails
Cattails are most easily identified by their brown, cylindrical flowers.
Sago Pondweed
Sago pondweed has many thread-like submersed leaves.
Bushy Pondweed, Southern Naiad
Bushy pondweed has short leaves that are in groups of two or three on the stem with more dense clusters toward the top.
Coontail
Coontail has finely-divided leaves arranged in whorls of five to 12 and is bushier towards the top. It has a hollow stem and lacks true roots.
Clasping-Leaf Pondweed
Clasping-leaf pondweed has short leaves with pointed tips that clasp around the stem.
Curly-Leaf Pondweed
Curly-leaf pondweed has green to reddish leaves with wavy edges that have fine teeth.
Hydrilla
Hydrilla is a rooted submerged plant with whorled green leaves that have tiny teeth.
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