<P> Giant hogweed was among many foreign plants introduced to Britain in the 19th century as ornamental plants . It is now widespread throughout the British Isles , especially along riverbanks . By forming dense stands , they can displace native plants and reduce wildlife habitats . It has spread in the northeastern and northwestern United States , and southern Canada and is an invasive species in Germany , France , and Belgium , overtaking the local native species , Heracleum sphondylium . Giant hogweed was introduced to the Baltics during the Soviet era as fodder for cattle . </P>
<P> Giant hogweed was among many foreign plants introduced to Britain in the 19th century as ornamental plants . It is now widespread throughout the British Isles , especially along riverbanks . By forming dense stands , they can displace native plants and reduce wildlife habitats . It has spread in the northeastern and northwestern United States , and southern Canada and is an invasive species in Germany , France , and Belgium , overtaking the local native species , Heracleum sphondylium . Giant hogweed was introduced to the Baltics during the Soviet era as fodder for cattle . </P>
where does giant hogweed grow in the us
where does giant hogweed grow in the us
northeastern and northwestern
northeastern and northwestern