The annual Clark County Green Neighbors Natural Garden Tour is 10 a.m. to 4 p.m. July 16. Take a free, self-guided tour of ten gardens across Clark County. At each of the ten properties, the garden hosts employ natural gardening techniques without synthetic chemicals to maintain their beautiful gardens. Tour-takers can view guidebooks and maps online at clarkgreenneighbors.org/gardentour or get materials at these locations in Vancouver: