Boxwood blight (also known as box blight and boxwood leaf drop) is a devastating disease of boxwood (Buxus spp.) that can cause leaf loss and eventual death of affected shrubs. This factsheet covers symptoms and management.
Not all conifers are evergreen, and larch is one example of a conifer that loses its needles every year. Learn more about Larix decidua in this article…
Sawflies are a group insects related to wasps. The plant-feeding larvae often look like caterpillars or slugs, and large numbers cause noticeable defoliation on their hosts. Learn more about sawflies in this article…
Stinkhorns are mushrooms that can appear in mulch, lawns, and areas with bare soil. Stinkhorns do not cause plant disease, and can be beneficial, as described in this factsheet.
Root-knot nematodes are small, soilborne, worm-like organisms that infect many agricultural and horticultural plants. This publication describes the symptoms, and management of root-knot nematodes in Wisconsin.
Learn how to water woody plants to help them survive prolonged periods of drought in this article.
This publication describes plant damage caused by deer, and illustrates numerous methods for protecting plants from deer.
Bird’s nest fungi are not harmful to plants, but grow on decomposing organic matter, such as on mulch in planting beds with damp, shady conditions. Learn more in this factsheet.
Mealybugs are slow-moving, small, oval insects covered in white cottony wax. This factsheet describes the identification, biology and management of this insect pest.
Cicada killer wasps are common in the southern part of Wisconsin. These non-aggressive wasps feed on cicadas. Learn more in this factsheet.
Known mostly for their loud buzzing sound in summer, cicadas also feed on a wide variety of plants. Learn about the life cycle of cicadas and their management in this factsheet.
Both the adult and larva of the black vine weevil feed on over 100 species of woody and herbaceous plant roots. Learn to identify and manage black vine weevil in this factsheet.