Himalayan balsam (Impatiens glandulifera), an invasive species native to the foothills of the Himalayas, is an extremely problematic weed in the British Isles, and one of the species CABI is working to help control in the natural environment. Imported to the British Isles for its alluring pink flowers, over the past 50 years the plant…

The ongoing challenge of tackling Himalayan balsam in the British Isles — The Invasives Blog