The Japanese Knotweed is one of the most invasive plants in the world. You can find it in yourgarden, and perhaps more often, in public areas. Knotweed is known to grow through thefoundations of buildings and take over entire landscapes. This can impact the value of theinfected property severely, as most mortgage lenders will simply refuse if they know there’sJapanese Knotweed is present on the surrounding property.
How close is the Knotweed to me?
Japanese Knotweed is widespread across the entire UK. In fact, it made the EnvironmentAgency commission a new app solely meant to track the Japanese Knotweed. The data theycollected pinpointed more than 6,000 locations. This kind of data could be helpful, especially forpeople looking to buy property in certain areas, as they will know exactly where to avoid.
There are multiple approaches you could use to get rid of Japanese Knotweed. However, keepin mind that this is an invasive plant, and it could take multiple attacks to control it. This couldmean:-Killing it with herbicides-Digging it out with its rhizomes-Smothering it with tarps-Cutting it to the ground
Using professional knotweed removal services – this Environet management plan can help.
Can I remove Japanese Knotweed by myself?
It’s possible to treat Japanese Knotweed yourself, but it can be quite challenging depending onits growth extent, and very time-consuming. On average, the Japanese Knotweed grows up to10 cm a day, and you need to be very quick and thorough with its removal. If you do decide toremove it yourself, consider the tips outlined below.
How to permanently eliminate Japanese Knotweed
The first thing to note is that no Japanese Knotweed infestation is the same. To permanently getrid of it, you should:
Identify it as soon as possible to help prevent further growth and damage
Cut the canes as close to the ground as possible. Get rid of the cut cane pieces from yourgarden or lawn.
Apply a weed killer, preferably one based on Glyphosate. Spray it onto the plants immediatelyafter you cut them down. Ensure that you only spray onto the Japanese Knotweed as the weedkiller will destroy any vegetation it comes into contact with.
Wait for 7 or more days before you pull the weeds. This will allow the herbicide enough time toget to the roots of the Japanese Knotweed. After 7 days, pull out the dead Knotweed, ensuringthat you pull out all the roots.
Mow the plants every week. To get rid of all the remaining or regrowing weeds, cut down theplant as short as possible weekly to weaken and kill the plant.
Reapply the weed killer. Unfortunately, applying the glyphosate weed killer once may notcompletely kill the Japanese Knotweed plant. Professionals recommend applying the weed killertwice a year, preferably during the times the Knotweed thrives the most.
Consult a professional. Some cases of Japanese Knotweed are extremely challenging toeradicate. As such, if your DIY attempts fail, reach out to the professionals at Environet to havethem remove them for you.
How to Burn Japanese Knotweed
When you remove the plant, you want to dispose of the waste efficiently and quickly to avoidfurther spreading. There are several ways to get rid of the Japanese Knotweed, including:
Bury the plant and place a root barrier
Have a professional remove the plant for you
Get specialists to professionally treat the waste and take it to a licensed landfill
While all the methods listed above are popular, they all come with the risk of the JapaneseKnotweed growing back, especially if any seeds escape during a DIY removal.
All invasive plant waste is categorised as controlled waste, as they risk spreading the plant. Themost effective method of disposing of invasive plant waste is incineration, as it ensures nosurviving roots or seeds remain following the burning. Don’t forget that the legal implication ofnot controlling the disposal of Japanese Knotweed could be severe.
If you’re unable to control the spread of the Japanese Knotweed in the wild, you could receivefines of up to £5,000 along with a custodial sentence. This also includes allowing the JapaneseKnotweed to spread into neighbouring properties. As such, being in complete control of the fullremoval process will be beneficial to avoid the risk of unintended spreading.
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