MAHOOSUC Land Trust

What makes a plant invasive rather than simply aggressive in the garden? John Reilly explores the often-blurry distinction between native, introduced, and invasive species—and considers how plants, people, and changing environments complicate the picture.

What makes a plant, insect, or animal a “pest”? A look at garden pests, ecological balance, and how our human perspective shapes what we consider useful—or unwanted—in nature.