Japanese knotweed
fallopia japonica latin

What can you do with all that uprooted Japanese knotweed?

The invasive Japanese knotweed has also appeared in the park's boundaries.

This can reduce waste costs and improve how you manage Japanese knotweed on site.

Do not try to compost Japanese knotweed material - it will produce new plants.

Japanese knotweed was first introduced as an ornamental plant in the 19th Century.

Alien species like the Japanese knotweed have become rampant weeds.

The wildlife officer tells me they are determined that "it will not become the next Japanese knotweed".

You have a choice of herbicides that are effective against Japanese knotweed, depending on your situation.

Its diet is highly specific to Japanese knotweed and shows good potential for its control.

You must not use a strimmer on Japanese knotweed.

If you are going to clear areas where Japanese knotweed is present, make sure you remove all cut stems.

Now Japanese knotweed, that is a different matter.

Especially aggressive is the ubiquitous Japanese knotweed, one of the polygonum species.

He then pointed to a patch of dying Japanese knotweed on a rocky hillside.

Japanese knotweed does not spread from seeds in the UK.

Soil and plant material containing Japanese knotweed may need to be buried 5 metres below ground level.

"Japanese Knotweed is a big issue for the construction industry, costing millions of pounds each year to manage," he said.

Millions of sap-sucking insects are to be introduced to control Japanese knotweed.

In June 2009 a local newspaper reported problems with Japanese knotweed on the site, that was still said to be for sale.

Japanese knotweed has a large underground network of roots (rhizomes).

Japanese knotweed is best sprayed in late summer from flowering onwards.

Lists general information and resources for Japanese knotweed.

He is one of the people credited with introducing Japanese knotweed to England.

Moments later, though, peering into the Japanese knotweed nearer the beach, he found two more and then another, for an amazing total of four.

It usually takes at least three years to treat Japanese knotweed until it is dormant.