You may be wondering, when is the best time to treat Japanese Knotweed? Or, even how to treat Japanese knotweed? Carry on reading to find out:
Japanese knotweed is similar to any other weed – it is best treated in the spring and summer, when the rain is less likely to wash away any herbicide-based treatment. However, you can carry an excavation out year-round, if the location of the weed has been established. We will detail the treatment protocol we follow here at Japanese Knotweed Expert below.
During this period, we carry out our treatment and inspection visits, as well as surveys. It is easiest to work out whether the plant is still present by examining the treated area for regrowth. Meanwhile, we carry out this treatment up to five times during this period. Once we complete the initial treatments, we complete inspections twice per year for an additional five visits. It is important that inspections are completed during the growing season so that our surveyor can examine the area for regrowth. However, it is normally not possible to carry out treatment in heavy rain to ensure the chemicals are applied correctly.
During this period, our team continue to carry out site surveys and complete management plans. Despite the fact it grows more slowly, or may have partly treated, the canes, roots and soil surrounding any Japanese knotweed stand can be examined to see whether the plant or the rhizomes are still active. Similarly, excavations are also conducted in this period. Although, many excavations are followed up with treatment visits in the summer period, again, so our surveying team can check for live growth.
Don't spend money that you don't have to. Send us some photos of the suspected Japanese knotweed, and we will identify the plant for you, let us put your mind at ease.
While there is a best period to treat Japanese knotweed, the plant can be identified throughout the winter period and a management plan can be put in place to start the following spring. However, early identification is crucial for a Japanese knotweed management. This is because there are recommendations in your management plan that you may wish to follow immediately.
For more information on how to identify Japanese Knotweed please see our identification guide.
In summary, if you are unsure if you have Japanese Knotweed or how to manage it, contact us to book in for a site survey. We will be happy to help in eradicating this invasive plant.
Contact us on 01782 479 444 or complete our online contact form.
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Have you found Japanese knotweed on your property? Not sure if you are able to make a claim? Who is legally responsible?
If you need help identifying Japanese knotweed, you first must know that it will look different depending on the current season.
See what treatment options are available for residential properties.
If you think that your neighbour has Japanese knotweed, and may potential spread to your garden, here is a step-by-step guide for tips on what to do next.
If you can't find an answer to your question, call and speak to a member of our team.
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