Volunteers are welcome to work in the park any Tuesday or Friday from 9 am to 11:30 am, April through October. Individuals can drop in anytime and do not need to sign up in advance. They should bring water, small hand tools and gardening gloves if they have them. Groups are asked to call 973-831-5675 to make arrangements in advance. Volunteers are also needed to serve on committees and support the Friends of Laurelwood Arboretum organization.