Invasive Species Videos

Forest Invaders: Common Invasive Plants of Illinois Forests

Presented by Ryan Pankau, Extension Educator, Horticulture Illinois forests are unique plant communities of towering trees as well as tiny, spring wildflowers. Invasive plants threaten native plant diversity in forest communities across Illinois by out-competing our natives for water, light, and...

KILL Your Callery Pear & Burning Bush and plant these instead

Are they invasive? Not legally in the state of Illinois. (Yet!) But we are seeing Callery pear and burning bush escape from our yards into natural areas across the state. Today Ken and Chris talk about these two plants, give some background, and then what we can plant instead of these baddies!...

Winter Identification of the Invasive Bush Honeysuckle

Bush honeysuckle species (Lonicera maackii, L. tatarica, L. morrowii, L. x bella) are significant invaders in Illinois’ forested ecosystems. Controlling bush honeysuckle can be very effective in winter. While some leaves and berries may persist into winter, other characteristics are...

History of Forest Pest Outbreaks in North America

North America has a history of exotic pests that extirpate individual tree species, with Emerald Ash Borer serving as our modern example. In our current, ever-globalizing society there is significant risk for future outbreaks that may impact all of our trees from the urban forest to our...

How to Identify and Monitor for Garlic Mustard

Garlic mustard is a high-priority invasive plant that harms native forest ecosystems in Illinois. The first step to removing it is finding it. - Own a forest? Always keep an eye out for garlic mustard along creeks, forest edges, and trails. Identification: Garlic mustard grows over two years....

How to Prevent and Remove Garlic Mustard

Garlic mustard is a high-priority invasive plant that harms native forest ecosystems in Illinois. The key to keeping it from taking over your woodland is early detection and rapid response.

  • Prevent it from getting on your land. Clean shoes and tires when moving between properties...