If you walk through your yard, what do you see? Are there vines dripping with long clusters of light purple flowers?
Are there yellow or white snapdragon-like flowers sprouting from the ground?
What about a towering tree covered in dainty white blossoms during the spring?
These common ornamental plants might be pretty additions to your home landscaping, but they are invasive — nonnative plants that can aggressively spread into the natural environment and harm other species.