Signs of Summer Ecology, Thursday June 25, 6pm-8pm. Enjoy a pleasant summer evening walk at the Arboretum with long-time naturalist Rick Ahrens.  We will explore along the river and the water garden looking at the general ecology of the area. We will try to spot some insect hatches and damselflies.  Meet at the Mount Pisgah Arboretum Visitors Center. Non-members: $5.00, Members: by donation.  For more information call (541)747-1504