4 Ways to Remove Japanese Knotweed

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Polygonum cuspidatum or Japanese knotweed is the most invasive plant in the world. Its average height is about 2.1 meters or 7 feet, and the twice roots are deep. This weed spreads persistently and grows year after year. It needs to do special care to eradicate this weed from your lawn or garden. You cannot get rid of this weed with patience and little time effort.

Why Do I Need to Get Rid of The Plant?

If you have this weed in your garden, then you should control its growth because it can damage your property or it can spread to the areas that you do not own or have the risk of damage. If this plant starts growing on your property and spread to the wild, then it is illegal according to the act of the Act 1981 Wildlife and Countryside. If the weed has grown on someone else’s property, then you cannot do anything actively to control its growth. You can inform or guide the property owner to control its growth and spread.

How to Control Its Growth?

There are several ways to control the growth of the weeds and its spreads. It takes more than one approaches to eradicate the knotweed plant.

  1. Digging out the rhizomes
  2. Cutting to the ground
  3. Killing with an herbicide
  4. Smothering with tarps

Other than these four ways, people prefer to call professional services to eradicate these weeds from their property. This increases the chances of solid control of this weed growth because Japanese Knotweed Removal Glasgow uses the modern techniques to uproot the plant forever. They monitor its growth after cutting it, in each season. This gives the surety that your property is safe from the harms of these roots.

Digging or Cutting Out the Rhizome

The professional teams cut back throughout the summer. They dig out the sprouts or the new roots with taking the soil and pick the bag. It needs to give weed killer injection along with the cutting or digging rhizome method. In the area, where the weed shoot comes up vigorously, you can see a rhizome that produces knotweed’s shoots and roots. The clumps are woody and hard. It is important to dig up the rhizome and dispose it off as early as possible.

A Multi-Pronged Approach

This control and eradication method are not exclusive. The multi-pronged offensive enhances the chances of your success in eradication.

Using Tarps to Smother

It is good to cover the knotweed with the tarp in the spring. Use poly tarps or plastic tarps to cover the weed patch. It is good to control the growth. Now you can prepare the region to cut the old weed and remove the loose material.


These are the chemicals that are used to damage the rhizomes and control the spread of the knotweed in the area. The majority of the professional knotweed removal services use this method to control its spread. This is an easy and quick way to get rid of the Japanese knotweed from your lawn or garden.