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Knotweed Control for Homeowners: 4 Tips for Success!

This video provides homeowners and novices with a highly effective technique for killing knotweed in 4 steps.

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9 Common Mistakes To Avoid in Trying to Control Invasive Knotweed

This video describes nine common mistakes people make in trying to control invasive knotweeds like Japanese knotweed (Polygonum cuspidatum or Fallopia japonica).

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Control a Large Stand of Japanese Knotweed in 4 Phases

This is the best method for controlling a large stand of invasive knotweed. This video is directed at professionals or homeowners willing to tackle a big project. Japanese knotweed and the three other invasive knotweed species are some of the most harmful non-native plants in North America. Eradicating it, especially near streams and other water bodies, is an important ecological objective.

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Knotweed Control: 3 Simple Steps for the Non-Professional

This video describes a more effective technique that can be used by the non-professional.

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Knotweed Experiment: Cutting Knotweed Stems to Draw Herbicide from Injected Stems

In this video, I discuss an experiment with knotweed injection. Inject half of the stems in a plot; cut the other half of the stems and don't treat them.

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Control Knotweed by Excavating or Digging the Crowns

This video describes how to dig or excavate knotweed crowns. Excavating knotweed is especially useful after one year of treatments with herbicide. After a year of treatment, the number of stems will be far fewer, the stems will be shorter, and the rhizomes smaller.

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Stem Injection of Invasive Knotweed - Part I of II on Green Shoots Injection System

This video, Part I of II, answers key questions about whether stem injection is the right method for treating your invasive knotweed stand.

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Stem Injection of Invasive Knotweed - Part II on Green Shoots Injection System

This video, part II of II, explains how to do stem injections of invasive knotweed using the Green Shoots Stem Injection System.

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