Getting Rid of Water Hyacinth?

How do I get rid of water hyacinth?


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October 11, 20170 found this helpful
Best Answer

You do not say if the water hyacinth is located in a small pond or if you are on a lake but the answer is the same - you cannot use regular weed killer as it will contaminate the water and usually does not work anyway.

  • You may have tried pulling them out by hand but that will hardly slow them down as they grow from just small pieces left behind.
  • They do sell several products that will kill the hyacinth and is still environmentally safe to use.
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  • I had to deal with a similar problem several years ago and the products are on the expensive side but if used correctly, they will do the job.
  • The products are sold at most farm and garden stores, hardware stores (Ace, TrueValue, etc), as well as on-line stores like Amazon.
  • You can find stores in your area with Google, your zip, water hyacinth killers.

Here is one company that sells a product but they have a lot of information on their site as well.


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October 11, 20170 found this helpful

Use an herbicide called Glyphosate 5.4. This herbicide should be sprayed onto the plants.

October 11, 20170 found this helpful

According to Lake Restoration Incorporated, the way to get rid of Water Hyacinth is to use Glyphosate 5.4. This is an herbicide that is to be sprayed directly on to the plants. For product and safety information contact the above stated retailer through the link posted below.



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October 12, 20170 found this helpful

You can put the plant in a garbage bag and tie.Leave for about a month until it decomposes.Then get rid of solid parts.


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October 17, 20170 found this helpful

Thanks to former president Obama, if glyphosate should ever be proven to have caused health issues, even cancer, even death in one person or 10,000, the courts cannot intervene. They cannot find the makers liable nor stop them from manufacturing this product.


Where such stupidity abounds, don't expect any article you read, (especially those published by the government), on the safety of glyphosate, to be truthful.

Wisconsin Department of Natural Resources:

Confirmed and unconfirmed incidences involving the active ingredient glyphosate have been reported to the Health Effects Branch of the EPA. Recently it has been demonstrated that glyphosate is toxic effect to human embryonic cells and linked to endocrine disruption.

Is this just the tip of the iceberg?

I don't have an answer for you. I do have a suggestion: Find another means.


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