Invasive Species

Events

2026 Gateway Green Conference

March 4, 2026

County

Madison

Wily and Wild Animal Invaders in Illinois

March 19, 2026

Blog Posts

Spring Creek Preserve: Dealing with the invasive plant problem

February 18, 2026

By Mike McGraw, Extension Master Naturalist serving Fulton, Mason, Peoria and Tazewell countiesSpring Creek Preserve, located in Tazewell...

Keep an eye out for these invasive plants

November 15, 2025

You may have seen the recent ...

two ladies standing in the woods with five garbage bags full of garlic mustard

Spring Creek Preserve: A haven for spring ephemerals

June 18, 2025

By Mike McGraw, Extension Master Naturalist serving Fulton, Mason, Peoria and Tazewell counties Even as a teenager, I loved the...

Illinois invasive: Elm zigzag sawfly

May 29, 2025

The elm zigzag sawfly (Aproceros leucopoda) is an invasive pest of elm trees (Ulmus spp.) that was first detected in Illinois in July 2024...

More Blogs

News Releases

February 20, 2026

McHenry County Agronomy Update Spotlights Disease Pressures and Weed Resistance
WOODSTOCK, Ill. — The University of Illinois Extension brought together producers, agribusiness professionals, and Certified Crop Advisers on February 18 for the annual McHenry County Agronomy Update, a program focused on the challenges farmers are likely to face in the 2026...

February 17, 2026

U of I Extension offering Master Naturalist training in Oregon
OREGON, Ill.— Individuals who are passionate about nature, conservation, and strengthening their communities are invited to apply for the Illinois Master Naturalist Program, now accepting registrations for its Spring 2026 training cohort. Pre‑registration is required by March 13. Contact...

A man leans on a tool outside by a tree surrounded by a group of people

February 11, 2026

Extension foresters protect trees, empower landowners
URBANA, Ill. — As the saying goes, the hope is that trees will “bloom where they’re planted.” Still, sometimes even these plant powerhouses need help overcoming challenges like invasive species, urban...

January 29, 2026

Wily and Wild Animal Invaders webinar explores environmental impact of invasive wildlife
URBANA, Ill. — Across the U.S., including Illinois, many non-native wildlife species have found their way into new environments, where they can pose a threat to natural ecosystems and the economy. This spring,...

More News

Videos

Controlling Woody Invasive Species in Fall and Winter

Move beyond the basics of invasive species

Join University of Illinois Extension Forester Christopher Evans in this info-packed Wilderness Wednesday webinar sponsored by the ...

Hand-Pulling Honeysuckle

When people think of honeysuckle control many will reach for the saw or herbicide. But young honeysuckle has a very shallow root system that makes it easy to pull up by hand. In this video horticulture educator Chris Enroth with Illinois Extension demonstrates the ease of hand removal of young...