by Erica Pate August 17, 2018 Number of comments0 Apples Berries Grapes Pest Management Tender Fruit Uncategorized Weeds Weeds to Watch: Invasive Pigweeds – Waterhemp and Palmer Amaranth Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture Dave Bilyea, Weed Management – Horticulture, University of Guelph, Ridgetown Campus