Japanese knotweed is a highly invasive weed that can damage buildings, roads, and riverbanks. But did you know that it can pose a risk to both humans and animals?

So, is Japanese knotweed poisonous to humans and animals? In short, no it is not poisonous but does carry some health risks.

Japanese knotweed is a major problem in the UK and it’s spreading fast. If you see it near your home or business, you need to take action immediately.

The best way to deal with Japanese knotweed is to call in a professional who can remove it safely and effectively.

What are the dangers of Japanese knotweed poisoning?

Japanese knotweed is particularly difficult to control because it can reproduce both vegetatively and sexually, and its roots can extend up to six feet underground. The plant is also tolerant of a wide range of environmental conditions, including drought, flooding, and cold temperatures.

While Japanese knotweed does have some ecological benefits, such as providing food for wildlife and stabilizing soil, it can also pose a danger to humans.

The plant contains chemicals that can cause skin irritation and gastrointestinal distress if they are ingested. In rare cases, Japanese knotweed poisoning can be fatal. Because of its potential dangers, it is important to be aware of the signs of Japanese knotweed poisoning and to seek medical attention if you suspect that you or someone you know has been exposed to the plant.

Map of Japanese Knotweed in the UK v2
Japanese knotweed poses a danger to humans and animals – is Japanese knotweed poisonous?

Can Japanese knotweed harm you?

No, Japanese knotweed is not poisonous or harmful to the skin. Some people confuse this plant with Giant hogweed, which can cause burns or toxic Common ragwort.

While it may look innocuous, Japanese knotweed can actually cause a great deal of harm to both humans and the environment. The plant’s rapid growth habit results in it crowding out native plants, and its roots can damage foundations and pavements.

Additionally, the plant can harm native ecosystems by crowding out other plants and disrupting the food chain. In some cases, Japanese knotweed can even damage buildings and other structures by growing through cracks in concrete or asphalt. As a result, it is important to be aware of the potential harm that this plant can cause.

Is Japanese knotweed poisonous for dogs?

Pets cannot be poisoned by Japanese Knotweed. There are a number of plants that can hurt your pets such as dogs or cats, but Japanese Knotweed isn’t one of them. Common home pets like cats and dogs are unlikely to eat the plant, but if they do, they should be fine.

If you have Japanese knotweed on your property, it is important to take steps to control its growth. However, if you have pets, it is best to remove the plant completely to prevent them from coming into contact with it.

Japanese knotweed easily spreads within your garden but is Japanese knotweed poisonous
Japanese knotweed easily spreads within your garden but is Japanese knotweed poisonous

In conclusion

Japanese Knotweed is not harmful, despite its ferocious reputation. Unlike other plants listed on Schedule 9 of the Wildlife and Countryside Act 1981, the plant grows quite quickly and can be a formidable foe for homeowners.

Although Japanese knotweed is not poisonous to humans, it can cause problems for livestock if they eat too much of the plant. The plant contains toxins that can damage the liver and kidneys, and it can also interfere with the absorption of essential nutrients. For these reasons, it is important to be aware of the dangers of Japanese knotweed and take steps to control it.

Want to know more about Japanese knotweed?

Knotweed Removal aims to provide the most up-to-date information, help, and advice for YOU to make informed decisions. If you are unsure or uncertain about how to proceed, please reach out to us and we will gladly come back and advise you as best we can.

Governmental advice can be found here and the UK law covering the removal of Japanese Knotweed as stated under the Wildlife and Countryside Act 1981 can be found here.

The best means to contact us is via our email – hello@knotweedremoval.tips

Do not forget we have a library of blogs covering many areas relevant to Japanese Knotweed, our free downloadable How-to Guides, and Product Reviews on the latest methods being employed to eradicate or remove Japanese Knotweed.

Knotweed Removal, UK

Similar Posts