You heard from other homeowners about Japanese knotweed and how it can be extremely invasive. Due to their incredible growth rate and their persistence, the plant can affect the structures leading to devaluation. If you do not want this in your garden, you have to learn how to deal with Japanese knotweed.
The Japanese knotweed starts sprouting from early spring. By May, it can reach up to 1.5 meters and by June, 3 meters. The good news is these plants start to die sometime between September and November. How do you know if you are dealing with Japanese knotweed?
First, you have to look at the buds. The buds should be small and red, which usually sprout from the plant’s crown. If you notice purple shoots, it is another sign that you are dealing with Japanese knotweed. If left untreated, they will rapidly grow into knotweed canes. When it comes to stems, they are usually hollow and reddish green with deep green leaves.
Now that you know how to identify Japanese knotweed, it is time to deal with it. Here are some tips on how to deal with Japanese knotweed:
- Move immediately: whether you are considering herbicide or digging, it is crucial that
you move immediately when you spot it. If you give it time to establish, it will be more challenging to control causing more damage to the surrounding areas.
- Isolate: since it is challenging to totally eradicate the plant, the least that you can do is to keep the outbreak isolated. This is to avoid spreading it further.
- Contact the appropriate authorities: if you want to eradicate thoroughly, it needs experts of specialists. To that end, you need to contact immediately. There are many specialists that have appropriate equipment and experience to help you. It is always better to leave this matter to the expert. You can start by checking out the British Association of Landscape Industries website.
- Utilise licensed herbicides: if you do not want to contact professionals, you can make use of licensed herbicides. When handling chemical, always remember to wear protective clothing. The recommended products are glyphosate-based herbicides, which need to be mixed with water. You can consider spraying it to the leaves or you can alternatively inject it into their canes.
- Dispose it correctly: when you decide to cut the plant and dig the shoots, you need to ensure that you dispose of it correctly. When disposing, it should be secured and thoroughly enclosed to ensure that there is no spillage. Remember that even the tiniest fragment can sprout.
- Avoid pulling the weeds: sometimes it is just easier to pull the weeds out of the ground. You should refrain from doing this because it can expose part of the infectious crowns. At the end of the day, it can stimulate growth.
- Refrain from using gardening equipment: if you have lawnmowers, hedge trimmers, and other gardening equipment, it is prudent not to use it when cutting the knotweed. If you do this, the knotweed will spread even more because of the contamination.
- Forget about compost: you should not use any part of the weed as compost because it can lead to another outbreak. The Japanese knotweed is resilient. This means that it can survive even in the compost.