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Doug from Portland, Oregon writes

Best product for effectively killing horsetail aka called horsetail rush

In landscaped area


Diquat Water Weed and Landscape Herbicide will kill horsetail. Horsetail is very hard to control and it can be tough to properly penetrate through the plant. When using the Diquat you will need to mix it at the rate of 2-4oz per gallon of water and mix it with an 80% Non ionic surfactant.

Answer last updated on: 06/28/2014

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