Q. Help! Black Nightshade vine, with the purple flowers, has invaded my flower bed and is proving very hard to eliminate. I’m especially upset that it’s taken root at the base of my beloved David ...

Cutleaf nightshade (Solanum triflorum) is a native annual weed found throughout North America. It is toxic to humans and animals, cutleaf nightshade produces toxic alkaloids that remain even after ...

Bittersweet nightshade (Solanum dulcamara) is a climbing perennial vine native to Eurasia. It was probably introduced into the U.S. for medicinal and ornamental purposes. Care should be taken when ...

Although a native to southern U.S., but spreading north through Canada, it is considered a weed in most situations and poisonous to mammals and birds. Black nightshade, found in most of the U.S., is ...