How to Identify and Control Invasive Plants with Dr. Ellen Crocker

In the podcast episode "How to Identify and Control Invasive Plants with Dr. Ellen Crocker," host Kristin Hildabrand welcomes listeners to the Sunshine Gardening Podcast and emphasizes the importance of understanding invasive plant species for Kentucky gardeners. Kristin introduces her guest, Dr. Ellen Crocker, an associate professor in forest health extension at the University of Kentucky, who discusses the critical issue of invasive species and their impact on local ecosystems.















Kristin notes that many landowners frequently ask about controlling various invasive plants they encounter. Dr. Crocker explains her responsibilities in supporting forest health through education and collaboration, offering insights into managing invasive species and researching related issues like Laurel Wilt Disease affecting sassafras trees.









https://www.youtube.com/watch?v=t52_mSJRD_E&list=PLAQAtSKcnAGMMdjtpR_563X1og8eZ2Swh&index=18









Dr. Crocker describes the harmful effects of invasive plants in Kentucky, defining them as non-native species that create negative impacts. She details specific invasive plants, like the Tree of Heaven and bush honeysuckle, discussing how they can overtake native plants and disrupt ecosystems. Additionally, she mentions how these invasives can obstruct landowners' management goals, reducing plant and wildlife diversity.









https://www.youtube.com/watch?v=366wEke_SMc&list=PLAQAtSKcnAGMMdjtpR_563X1og8eZ2Swh&index=5









Kristin highlights the widespread issue of Callery pear, discussing its aggressive growth and the problems it creates in local landscapes. At the same time, Crocker shares her experiences with other invasive plants like bamboo and winter creeper, highlighting challenges in controlling these species without proper knowledge.









https://www.youtube.com/watch?v=RLMMjehQtSQ&list=PLAQAtSKcnAGMMdjtpR_563X1og8eZ2Swh&index=21









The conversation continues with Dr. Crocker, who provides insights into effective management strategies for invasive plants. She emphasizes the importance of early detection and mitigation before they become a significant problem. She encourages collaboration with knowledgeable professionals and utilizes resources such as the Kentucky Division of Forestry for guidance.







Dr. Crocker references several case studies showcasing successful management efforts of invasive species, including challenges faced at the University of Kentucky's Arboretum and innovative approaches by the Kentucky Department of Fish and Wildlife Resources for managing bush honeysuckle through aerial herbicide applications.







As the episode progresses, Kristin inquires about public involvement in preventing the spread of invasive plants. Dr. Crocker urges listeners to report sightings of invasive species using platforms like iNaturalist, sharing a success story where a landowner reported the new invasive mile-a-minute weed, resulting in a successful removal effort.







The discussion turns to resources available for identifying and managing invasive plants. Dr. Crocker specifically mentions the field guide to Kentucky's invasive plants, which she has edited. She highlights its usefulness for gardeners and landowners, including identification tips and management practices.







Field Guide to Kentucky's Invasive Plants







The episode concludes with Dr. Crocker encouraging listeners to manage invasive species proactively.