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Japanese Knotweed

Japanese Knotweed

Japanese Knotweed is never out of the news for long, and we get regular enquires from very anxious people asking for our help. We have been eradicating Japanese Knotweed for many years now and we have acquired an intimate knowledge of the pernicious plant. Fully understanding its botanical traits is crucial to its successful control.

Japanese Knotweed (Fallopia japonica) is a non-native herbaceous perennial plant which first arrived in the UK in the 1800’s. It was being grown on British nurseries by the mid-1870’s and sold as an ornamental screening plant. However, it fell out of favour but remained growing in small isolated urban and sub-urban areas of the UK. With the growth of commerce in the Victorian era Japanese Knotweed began to spread. It was thought initially via the canal system, then latterly via the railways. The distribution of soils as a result of the building booms of the late 20th century caused a massive increase in its spread. Japanese Knotweed has no natural predators in the UK such as insects, fungi or bacteria; it has therefore grown largely unchecked.

There are now strict laws in UK which are designed to protect the environment from non-native invasive species. Anyone causing the spread of Japanese Knotweed or allowing it to grow on anyone else’s property can be prosecuted or given a community protection notice for causing a nuisance.

The only way to treat it safely and successfully is to survey the infestation and draw-up a documented eradication plan. Timing of treatments is a key factor, as is the choice of herbicides used and the environment where the plant is growing. Successful treatment can take from three to five years depending on the type of infestation, but our experience is that it can often be dealt with within two years.

Sublime September

My, how the year flies by. The Autumn is fast approaching and preparations are in full swing at our base in Findern, Derby. The planting season is upon us and our stocks of plants are reaching full capacity. By the end of the month we will have our new range of Italian stock, with hardy specimens to enhance your garden. Photos will be available on our website and Facebook page from early October.

Ideal trees for the small garden, producing clusters of apple blossom flowers in Spring followed by colourful fruits in late Summer-Autumn and lasting throughout most of Winter.

Shrubs with Autumn interest keep the garden alive during those dull days. Why not try Callicarpa Profusion (purple berries) or Nandina domestica with colourful evergreen foliage and occasionally clusters of small white flowers followed by red berries.

August Colour

Fuchsia (hardy)
No other shrub gives more colour and satisfaction than the Hardy Fuchsia. Masses of pendulous earing type flowers July through to October. Prefers a sunny position, but will tolerate semi-shade. Average height to 1.5m. Prune hard every March to encourage strong new flowering shoots. Megalanica and Ricartonii are the hardiest.

Hybiscus (Tree Hollyhock)
This upright, deciduous shrub is late to leaf up in Spring, but it rewards you with a fantastic show of blooms in August and September. Many different colours available. Height around 1.5m. Requires full sun and fertile soil.
A sheltered spot in the North is recommended.

Roses
Ever popular favourite. Producing beautiful and scented blooms throughout Summer.