Urban Nature Consultants
Giant Hogweed Control (Heracleum mantegazzianum)
Urban Nature Consultants has years of experience in the abatement of Giant Hogweed, and extensive knowledge about its biology and the mechanical methods appropriate to its abatement.
Origin of the Plant
Giant Hogweed is a perennial endemic to the Caucasus Region and Central Asia. Because of its height and impressive stature, it was introduced to Europe  and North America , as an ornamental garden plant in the early 1900s,.
Biology and Seed Dispersal
Giant Hogweed can live for several years and dies after bearing seed . The plant can grow 4 to 5 meters in height with a stem diameter of 10 centimetres. Each flowering plant can produce approximately 20,000 seeds , and the majority fall close to the parent. However, depending on the location of the plant population, there are other means of seed dispersal. If the population is located on a stream bank or close to roads and highways, there is potential for the seeds to be dispersed long distances. Abatement methods consider location, biology and life stage of the population.
UNC only uses mechanical methods, which depend on the life stage, location of the individual populations and the status and usage of the infected area.
Abatement of Giant Hogweed takes several years, and much patience. Best practices and follow up are essential components of mechanical eradication.
What We Offer
Management plans for the abatement of invasive species begins with mapping the infected areas. Individual populations of invasive species are located and best practices suggested. UNC only recommends mechanical abatement methods and does not use pesticides.
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