20 Jun 2022 Home » Home » Environment Committee » To Sandy Hill residents, beware of Japanese Knotweed!To Sandy Hill residents, beware of Japanese Knotweed! by David Elden | posted in: Environment Committee | 0 See also this post: ASH Tree and Greening Group Tackles Japanese Knotweed SHRPBF public info sheet english FINAL http://www.ontarioinvasiveplants.ca/resources/best-management-practices/ PBFRCS brouillon de fiche d'information publique (3)