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Weed Solution Wizard - Step 3k of 3

Select your Product Preference

Review the weed description, then select from the control options below.

Hydrilla (Hydrilla verticillata) is a perennial plant that forms dense colonies and can grow to the surface in water over 20 feet deep.  Hydrilla branches profusely.  It can extend across the surface forming thick mats. Hydrilla can reproduce by fragmentation, from seeds, from turions (axilary buds), and from tubers. Leaves are blade-like about 1/8 inch and 3/8 inch long with small tooth margins and spines on the underside of the midrib which make them feel rough when drawn through your hand from base to tip. Leaves are usually 4 to 8 in a whorl.

Hydrilla is native to Europe and Asia and was probably brought to the U.S. for the aquarium industry. It is considered a noxious pest because it grows so rapidly, out competing and eliminating native species, and forming surface mats that hinder recreation, navigation, and water intakes.

Hydrilla is often confused with the native Elodea. 

Not your weed?  Return to Step 2: Weed Selector

Select from the following products which control Hydrilla:

AQUATHOL - Semi-selective herbicide effectively controls Coontail, Eurasian Milfoil, Hydrilla, Naiads, and all Pondweeds.

CUTRINE PLUS - Granular Algaecide which controls all species of Algae and Hydrilla.  Not effective control for most other submerged or emergent weed species.

HYDROTHOL - Controls Algae and many weed species, including Coontail, Elodea, Eurasian Milfoil, Hydrilla, Naiads, and all Pondweeds.

KOMEEN - Selective herbicide which controls Coontail, Elodea, Eurasian Milfoil, and Hydrilla.  Does not control Pondweeds.

REWARD - Useful for control of almost all aquatic plant species including Cattails.  Does not control Algae or Water Lilies.

SONAR -  Effectively controls Eurasian Milfoil and most other submerged aquatic weeds.  Does not control most emergent species like Cattail and Water Lilies or Algae.

Not Sure? - Contact an expert from Harrietta Hills.  Either Email info@harriettahills.com, or call 231-389-2514.  Our technical staff will be happy to assist you.




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Weed Solution Wizard - Step 3k of 3