A large swallowtail butterfly resting on the wooden railing of a backyard deck. - Meowcher/Shutterstock Butterflies are an important part of any ecosystem. For one, they're good pollinators, just like ...

Also, do you know of a garden perennial plant for hummingbirds? — Marie, Great Barrington A: Attracting the lovely black swallowtail butterfly is no more difficult than planting garden parsley and ...

Every spring I make a list of the plants that hummingbirds visited the most the year before, and then my search at garden centers and nurseries begins in earnest. The plants I look for are the ones ...