Invasive plants in landscaped settings can contribute to negative impacts far beyond our yards. Learn about new invasive plants to look for, strategies for managing invasive plants, and Landscape Alternatives resources that help you choose non-invasive plants for your yard. Mark Renz is a professor and extension weed specialist with the University of Wisconsin-Madison. Dr. Renz researches and extends information about the biology and management of invasive plants. He has over 20 years of experience with management of invasive plants throughout the United States.