Event Date: Friday, April 29, 2022 - 10:00am The Mattapoisett Tree Committee would like to invite the residents of Mattapoisett to join us in the celebration of Arbor Day on April 29, 2022. Committee members and town officials will raise the Arbor Day flag at the Town Hall at 10:00 am.Following the flag raising, the Tree Committee and Highway Department will plant a tribute tree at the Police Station to recognize our first responders. Unveiling of a plaque under the tree will take place on Saturday, April 30th at 10:00 am.