CFAES’s Ohio Woodland Stewards Program is holding a four-part seminar series for gardeners, landscapers, homeowners, and others on invasive species, the problems they cause, and how to deal with them. Read the whole story. The stewards program is part of our statewide outreach arm, OSU Extension. (Photo: Invasive insects called hemlock woolly adelgids (the fuzzy white spots) on a hemlock branch by Nicholas A. Tonelli, Pennsylvania, USA, via Wikimedia Commons.)