The Watershed Alliance of Southwest Washington will host a Volunteer Tree Planting from 9 a.m. to noon May 10. Meet at the Mountain View Dental and Ridgefield Physical Therapy parking lot at 5284 Pioneer St., Ridgefield. Wear long pants and sturdy shoes. Bring snacks and water.

The Jane Weber Evergreen Arboretum is hosting a Second Saturday Work Party from 9 to noon May 10. Volunteers will remove invasive blackberry vines and pull weeds along with icehouse […]