Giant Hogweed Removal | TP Knotweed Solutions
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Giant Hogweed Removal

What is Giant Hogweed?

Giant Hogweed is an invasive plant that relies solely on seeds for reproduction and spread. It only takes a single plant germinating from as little as one seed to cause an invasion. This is especially worrying as each flower of a single umbel produces 30 to 50,000 seeds.

The impact of Giant Hogweed

Giant Hogweed is dangerous because its sap is harmful to humans through its ability to cause skin inflammations. The species is phototoxic, which means that if the skin comes into contact with the plant and then direct sunlight, it can cause a red rash, often followed by severe burns and blistering within 24 hours.

The resulting burns can last for several months and, even once they’ve gone, skin can remain sensitive to sunlight for years to come.

How to identify Giant Hogweed

What does Giant Hogweed look like?

Giant Hogweed can reach heights of 5 metres high with small, creamy-white flowers. The numerous flower umbels on each stalk can each measure up to 2 feet. The highest levels of sap have been discovered during the month of June, so this part of summer is a time to be particularly aware when handling Giant Hogweed. If you want to know if you have Giant Hogweed send us a message with your images attached and we will get back to you within 48 hours.

Giant Hogweed Legislation

There are numerous laws put in place to prevent the spread of this invasive plant. If you find Giant Hogweed it is crucial you read these laws before attempting removal as you could be breaking the law.

REMOVING GIANT HOGWEED

1. Chemical control

It is recommended to apply herbicide early in the growth of this species, before the plant flowers and seeds. Chemical control needs to be consistent over a number of years to have any considerable effect. There is legislation around spraying chemicals in the wild, so it is best to do your research and hire professionals that can adhere to laws and best practice.

2. Manual control

To mitigate the risk of contamination and destruction of nearby plants, manual control and removal of Giant Hogweed is often favourable. Cutting the plant out from the roots is highly effective, but must be undertaken with extreme care. Cutting the plants themselves will often only encourage faster regrowth and more flowering shoots, and in some cases can help spread the plant’s seeds even further. Strimming and trimming for cosmetic effect is not recommended.

In all cases, we monitor your premises for up to five years following treatment and can provide every site with our mortgage-friendly 10 Year Insurance Backed Guarantee at additional cost.

Think you have giant hogweed?