Tree Care Series 2026: Forest Health Updates and Fungal Mutualists

Forest Pest Update: Who’s Here, Who’s Coming, and What You Can Do

Do you know what’s in your forest? Get an update on forest pests - who’s here, who’s on the way, and how to identify and manage pests. Early detection is the best defense against invasive species. In this session, participants will learn how to recognize the signs of trouble, report findings, and take practical steps to protect trees and community forests. 

Presenter: Tricia Bethke, forest pest outreach coordinator, Illinois, The Morton Arboretum

Fungal Mutualists: The Good Guys of Fungal Infections 

Not all plant fungal infections are bad. In fact, some are very necessary for a healthy and resilient plant ecosystem. This presentation will focus on plant fungal partners that do more good than bad. 

Presenter: Karla Griesbaum, Illinois Extension environmental and energy stewardship educator