How to identify and fight green rooted aliens

Invasive weeds can grow tall and strong as shown by Tom Zetterstrom. who provided examples of area alien weeds during his talk at the Cornwall Library. Photo by Leila Hawken

CORNWALL — Gardeners and conservationists filled the meeting room at the Cornwall Library on Saturday, April 13, for an illustrated lecture by environmentalist and invasive plant specialist Tom Zetterstrom.

In a talk titled “Three Green Aliens,” Zetterstrom detailed how to recognize and control “aggressive alien” plants through management options including pulling, cutting and spot chemical applications. 

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