Local landscape historian Val Libby will lead a Shrub and Tree ID walk at the Kingdom Woods Conservation Area on Saturday, April 1, at 1 p.m. Learn the secrets to identifying early spring vegetation. Meet at the KWCA Woods Road off the Kingdom Road (where the pavement ends) in Blue Hill. The walk is free and open for all ages. For more information and to pre-register, contact Blue Hill Heritage Trust at 374-5118 or firstname.lastname@example.org.