Japanese knotweed in Autumn

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Japanese Knotweed in autumn has a lot of similar traits as to that of summer. In the beginning of autumn, the dense thickets of foliage/leafs will remain, however, you will notice the leafs beginning to turn yellow in colour. The leafs will also begin to wilt as September and October progress.

To help you identify Japanese knotweed in autumn click on the video above to view a typical autumn growth.  Furthermore, if you scroll down, you can review our autumn identification hints and tips.  

If you suspect your property has a Japanese knotweed problem contact us online for help and advice by clicking the button below or call freephone: 0808 231 9218.

Contact Wise Knotweed Solutions

Tips to help Japanese Knotweed identification in autumn

When trying to identify Japanese Knotweed in autumn, look out for the following:

• A very dense cluster of bamboo stems with a lot of foliage
• Plants that are a height of approx 2-3 meters
• Leafs that are beginning to turn yellow in colour and wilting
• Hollow bamboo like stems that are beginning to turn from reddish brown to a darker brown
• The leafs will have a distinctive zigzag pattern on the stems
• The leafs will have a distinctive heart shape with a pointed tip and a straightened edge

Pictures to help with Japanese knotweed identification in autumn

View our collection of images below to help with the identification of Japanese Knotweed in autumn.

For additional images, visit our Google image gallery.

More information on identifying Japanese Knotweed

For more information about how to identify Japanese knotweed, click on the links below.

Not sure if you have knotweed?

If you have a suspicious looking plant growing on or near your property, and want to know whether it is knotweed, upload your photos to us directly and we will let you know whether you have knotweed or not.

Free knotweed assessment

Have you seen a suspicious plant and want to know if it is the dreaded Japanese knotweed? Simply click the button below to upload your photos and we will get back to you with an answer.

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Speak to a Japanese Knotweed expert

If you are unsure if you have a Japanese knotweed issue, it is always best to consult a specialist.

You can contact our Wise Knotweed Solutions team on freephone 0808 231 9218, click to find your local branch or contact us online using our contact form.  Alternatively, to book a survey, visit our Japanese Knotweed survey web page.

Book a Japanese knotweed survey