Knotweed Gallery
Photographs of Japanese Knotweed
Japanese Knotweed Growing From Next Door
This is a house that was being re-developed. The neighbours had a water feature built and the contractors used contaminated material for the foundations.
Japanese Knotweed In A Garden Border
Here spraying herbicide would not be appropriate because of the other plants. Direct application to the leaves would be used.
Japanese Knotweed Sprayed With Picloram
This Japanese Knotweed was sprayed with an commercial weed killer 8 days before this photograph was taken.
Japanese Knotweed Stems Spreading To Find Light
The long strands in this photograph are Japanese Knotweed stems that started to grow after a steel container was put on them. Once the container was removed the stems started to flower.
Treatment of Japanese Knotweed with Herbicide Before Excavation
This site is to be levelled but was contaminated with Japanese Knotweed. The dead canes can be seen on the right of the tree stump.
Damage to Foundations by Japanese Knotweed
This Japanese Knotweed has been left for a number of years and has been allowed to cause structural damage to this building.
Japanese Knotweed After A Single Treatment
A stand of Japanese Knotweed sprayed once from ground level
Japanese Knotweed Sprayed Once
The Japanese Knotweed in this photograph has been sprayed once with Picloram. The dead canes will now be burnt in preparation for further treatment next season.
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