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Invasive Species

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Berries on Burning Bush
Read article: Burning bush threatens migrating birds
Burning bush threatens migrating birds
Some years ago, it was shocking to learn that one of my favorite ornamental shrubs, burning bush (Euonymus alatus), is invasive.   It took a...
A spotted lanternfly on a red flower.
Read article: Spotted lanternfly spotted in Illinois
Spotted lanternfly spotted in Illinois
Invasive species are putting continual pressure on plants and animals in Illinois, which is only expected to intensify in the coming years.  This...
patch of small carpetgrass in bloom
Read article: Identifying and reporting Small Carpetgrass, an invasive grass in Illinois
Identifying and reporting Small Carpetgrass, an invasive grass in Illinois
While identifying plants at a prairie reconstruction last month, I came across a new grass that I’ve not seen before. Unfortunately, it is an...
A tree grows everywhere: Tree-of-heaven image of woodlands full of young trees end of summer
Read article: A tree grows everywhere: Tree-of-heaven
A tree grows everywhere: Tree-of-heaven
Two separate serendipitous events occurred recently that brought a plant back to the forefront of my attention. First, a few weeks ago a colleague...

News Releases

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Gardening in the Air - Virtual Gardening Symposium
Gardening enthusiasts, get ready to embark on a virtual horticultural journey with "Gardening in the Air." This unique virtual symposium is proudly presented by University of Illinois Extension and Iowa State University Extension. Scheduled for Saturday, November 4, 2023, from 9:00 a.m. to 12:30...

Videos

New Invaders: Spotted Lanternfly

Spotted lanternfly is the newest “unwanted” invasive pest in Illinois. Learn how to identify and report this invasive insect as well as how to manage it and prevent further spread.

Tricia Bethke from The Morton Arboretum explores why monitoring for spotted lanternflies in winter is...

Staff