Himalayan Balsam and why its an issue
Impatiens glandulifera There are many issues with the invasive species Impatiens glandulifera (Himalayan Balsam). The main issue is smothering. Due to the fact this species can grow over head height and spreads at a very fast rate, this leads to resource competition and thus resource scarcity as native species cannot grow at the rate and therefore do not get their required sunlight, this then means they are smothered and die. Balsam also alters the soil composition in the areas it roots, from the photo above its clear to see that it also has a significantly smaller root system, this means that its doesn't bind the soil and hold it together, this can cause river banks to collapse on themselves due to lack of stability. When in season seed pods of t...