Protect your houseplants and garden from these pests. Scale insects can be difficult to identify. At a first glance, they look like small bumps on the stems of leaves of your plants, making them easy ...

I got an email with some pictures a few years ago asking me about magnolia scale, which is a topic I have written about for a number of years. I feel confident the insect was magnolia scale. The ...

Researchers from Wageningen University & Research (WUR) and Leiden University have engineered a biological barrier that protects plants from diseases and pests. It concerns a sticky substance that is ...

Crape myrtles, an ornamental tree popular in landscapes throughout the state of Delaware, are prized for their beauty, exfoliating bark in shades of silver and cinnamon, and long-lasting flowers in a ...

Many people have a potted citrus plant or two that they keep indoors during the winter and move outdoors for the summer. It may be one of those dwarf trees that produce full-sized fruit. Or it could ...

We enjoy magnolia trees for their beautiful early spring flowers, but in summer they sometimes get downright ugly. Gardeners may notice a fuzzy black coating on branches or a sticky glaze that ...