Other
Invasive Weeds

Other Invasive Weeds

These are some of the other Invasive Weeds that we treat at Japanese Knotweed Expert

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Giant Hogweed Invasive weed

Giant Hogweed

Giant hogweed is a close relative of cow parsley and can reach over 10 feet in height. In some cases, when allowed to continue growing, it has reached 20 feet. More often seen in spring to autumn, giant hogweed is best treated in summer. Although it is a very striking plant, most people want it eradicating. As, each plant produces between 50,000 and 80,000 seeds.

 

Giant hogweed sap contains highly toxic chemicals known as photosensitising furanocoumarins. Which, are extremely sensitive to light. If this sap comes in to contact with skin it can cause a reaction which causes third-degree burns.

Bamboo

Bamboos are usually desirable garden plants, but if left to grow unchecked and not kept under control, Bamboo will spread prolifically. Thus, turning into an invasive weed.

The Bamboo shoots can pop up anywhere due to their underground stems.  Spread by rhizomes, like Japanese knotweed, Bamboo can break through solid barriers and has been known to break through conservatory floors and patios.

For more information on bamboo removal click here…

Invasive Bamboo

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More Invasive Weeds

Mare's Tail

Mare’s Tail (otherwise known as Horsetail) is an invasive and deep rooted weed which forms a dense carpet of foliage. 

 

Appearing initially in Spring, and then growing in Summer, its upright, fir tree-like shoots are easily recognisable. 

 

Although Mare’s Tail is recognised as an invasive species, it is not however covered under the Wildlife and Countryside Act 1981 like Japanese knotweed. However, removing Mare’s Tail is a huge problem, and specialist remediation is recommended.

mares tail
Himalayan Balsam invasive weed image

Himalayan Balsam

Introduced to the UK in 1839, Himalayan balsam is another invasive weed that we specialise in. In fact, it is a relative of the Busy Lizzie. Growing to over 6ft tall it can become a major problem, especially when left to grow on riverbanks and wasteland, but it can also invade gardens too. It grows rapidly and spreads very quickly, smothering other vegetation as it goes.

Himalayan balsam is seen in spring to autumn time and produces clusters of purple/pink helmet-shaped flowers. Therefore, giving it the more common name of ‘policeman’s helmet’.

Each plant can produce up to 800 seeds, meaning growth is exponential.  As the plant is found on riverbanks the seeds, it can be transported further afield by water.  The seeds of Himalayan Balsam can remain viable for two years.

Ragwort

Ragwort is one of the lesser invasive weeds but is highly poisonous to horses and cattle. Therefore, it makes it a must to eradicate.  It is more often found in waysides, grazing land and pony paddocks. Ragwort can be up to 3 feet tall with large flat-topped clusters of yellow daisy-like flowers. Ragwort produces large numbers of seeds which are dispersed by the wind. Not covered under the ASBO legislation, Ragwort has its own code of practice, known as the Ragwort Control Act 2003.  This act imposes a duty of responsibility on landowners to control the ragwort and to prevent the spread of this weed.

What is ragwort?
Buddleia is another invasive weed

Buddleia

Introduced to the UK in the 19th century as an ornamental plant, Buddleia is another invasive weed that we can eradicate. With the shrubs growing up to 5ft tall it can become a major problem, especially when left to grow on riverbanks and railway lines etc. It grows rapidly and spreads via wind dispersion, animals, water currents and even vehicles driving by. 

 

Once the invasive plant begins to grow, its root systems can cause damage to any materials in it’s path (including brickwork). This means, without a successful eradication, Buddleia can cause costly repairs for your property. 

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