While it's true that Japanese knotweed is a hardy plant that can grow pretty much anywhere, there are some conditions that it prefers. In general, Japanese knotweed likes to grow in damp areas with full sun, which is often why it's found along river banks and around the perimeter of woodlands.
Here are some of the most common places Japanese knotweed grows:
- Domestic gardens
- Flower beds and plant borders
- Construction sites & housing developments
- Near water sources eg. lakes and rivers
- Along railway lines
Read More: Where Is Japanese Knotweed Most Likely to Grow?
How would I know if I have Japanese knotweed?
One of the questions we get asked most frequently is - "how do I identify Japanese knotweed?". Well, we've made it easy for you to assess your own garden and determine whether you have a Japanese knotweed infestation or not. Start by taking a look at our Japanese knotweed identification page, this will tell you all about the most notable features of Japanese knotweed & will even explain how it looks during different times of the year.
Key things to look out for include:
- Heart-shaped leaves
- Red bamboo-like stems
- Small white flowers
If you come across a plant that fits the criteria of Japanese knotweed, but you're still not 100% sure, we have a photo submission service! Using our photo submission service, you can send photos of the suspect plant to our team of experts. From here, we'll assess the photos and let you know if you've got a Japanese knotweed problem on your hands or not. If you do, we'll be able to organise a survey at your property so you can start seeking the right form of treatment right away.
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Treating Japanese knotweed
Treating Japanese knotweed isn't always straightforward. As we've discussed, Japanese knotweed can grow pretty much anywhere, so it's important you tailor your approach to removing it. One size does not fit all when it comes to Japanese knotweed treatment. For example, we may recommend excavation on a large site where Japanese knotweed has had a long time to establish, but this may not be the right approach to take for a small infestation on a residential property. It's best to seek the help of Japanese knotweed professionals right away if you suspect you have knotweed.
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Is It Japanese Knotweed?