14 exotic aquatic plants are prohibited in New Hampshire due to their abilities to choke surface waters, harm native vegetation and wildlife, impact recreation, and lower property values.
These exotic aquatic plant species are regulated in New Hampshire – and you can help to prevent their spread.
According to NHDES there are 9 different exotic aquatic plants already in some of NH’s waters and DES wants everyone’s help in keeping out the additional 5 species. Please follow the link to DES’s brochure (pdf) for more details.