Garden staff are finding more scale insects and aphids than in past years. A major infestation of lecanium scale was recently found on a large planting of bald cypress at the Garden. The population of ...

Scale insects are one of the most common and tenacious pest of ornamental plants. “Scales are tiny insects that appear rounded and flat with a waxy coating, like a little shield,” says Alejandro ...

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 to mistake as part of the plant itself. But beneath ...

SHREVEPORT, La. - Viburnum, a staple in many Louisiana landscapes, has been suffering from a common but alarming affliction. Homeowners may notice a black, waxy buildup covering their plants, sparking ...

Q: Why are the trunks of my crape myrtles turning black? They look rather unsightly. Mine aren't the only ones doing this -- many in our neighborhood look the same. Is it a disease? Is it going to ...

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 ...

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 ...

Q: This is a picture of our dogwood tree with white growths on it. Your help is appreciated. A: Your dogwood tree has a healthy case of scale insects. Scale insects attach themselves to the host plant ...

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 ...