This small tree was introduced to North America as an ornamental shrub, but it escaped from cultivation and is choking many forests and woodland areas.
These green and brown hoppers are generally beneficial in the garden. They eat some weeds, attract birds and other wildlife, and their droppings enrich the soil.
Fusarium wilt, like the related verticillium wilt, is caused by fungi, which enter the plant through its roots.
A twining parasitic annual found throughout the world that infests both agricultural fields and home gardens.
An aggressive biennial that threatens native plants and wildlife in the eastern half of the United States and Canada.
Powdery mildew is a windblown fungus that begins in small patches and forms a white powdery coating over leaves, stems, flowers, or fruit.
This annual weed is so powerful and persistent it’s even found in restaurants.
Wondering which pest is damaging your lawn and garden? Here’s how to tell the difference.
If you see tiny jigsaw holes on your rose leaves, you're seeing the work of leafcutter bees.
There are more than 1200 species of whitefly, and they can wreak as much havoc outdoors as indoors.