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 ...

Mowing might seem like a pretty sensible way to keep weeds at bay. But in the case of the silverleaf nightshade, the activity puts the plant into survival mode causing it to fight back with some ...

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 ...

Mowing a weed just makes it stronger, according to a study published in Nature's Scientific Reports, and the consequences can be severe for the agricultural industry. The mowing of Solanum ...

Although you can view a weed as a plant growing where you don’t want it to be, some weeds require prompt removal. They rapidly take over your garden or landscape, spreading by seeds or rhizomes.