Spend the day learning how to identify invasive garlic mustard and join staff Naturalists and volunteers in a large, single day effort to remove as much Garlic Mustard as possible from our Glendening Nature Preserve. Participants will also learn a Sanctuary favorite recipe for Garlic Mustard pesto and will be encouraged to take leaves home for making their own delicious dishes! Event is rain or shine. Dress for the weather and bring a bagged lunch. Ages 8 and up. Free. Current health guidelines will be required. COVID mask, social distancing, and registration required.