What You Need to Know About Himalayan Balsam
Impatiens glandulifera is currently a category one extremely invasive plant in NWIPC 2009 Plan and Profile. It is a tall (60-200 cm) annual herb with a pink to purple orchid-like flower and a bamboo-like main stem with a reddish tinge. Its seeds can spread, ejecting up to 2500 seeds per plant from exploding seed pods. Historical records from Europe indicate it spreads fast along riparian corridors to become vast in distribution. It went from initial introduction to common weed status in less than 60 years...............
Download: Risk Assessment of Impatiens grandiflora
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