Articles
Gardening Articles
Research-based horticulture information to help keep your plants and gardens thriving.
Powdery Mildew – Trees and Shrubs
Powdery mildew is a disease that occurs on the above-ground parts of many deciduous trees and shrubs, as well as herbaceous ornamental plants, indoor houseplants, and many agricultural crops. Learn more in this factsheet.
Scales
There are many species of scales and they are difficult to control because of their protective covering. Learn to identify and manage scales in this factsheet.
Deciduous Trees Disorder: Springtime Weather Injury to Foliage
Springtime weather injury can cause misleading symptoms on foliage. This fact sheet describes symptoms and steps to minimize the likelihood of injury.
Spittlebugs
White blobs of bubbles on plants are created by the insects called spittlebugs, and their foam helps protect them. To find out more about these creatures, read this article…
Lawn Fertilization
A well-maintained lawn is an important asset for the homeowner, the community, and the environment, and fertilization is a vital element of a lawn management program. Learn more here.
Top Ornamental Crabapples for Wisconsin
This factsheet provides information on some of the most ornamental, disease resistant crabapples available for landscaping in Wisconsin.
Anthracnose
Anthracnose is the name of several common fungal diseases that affect the foliage of woody ornamentals in Wisconsin. This factsheet describes symptoms and management.
Winter Salt Injury and Salt-tolerant Landscape Plants
This article focuses on recognizing and preventing plant damage caused by deicing salts, evaluates the pros and cons of alternatives to rock salt, and provides an extensive list of salt-tolerant plants.
Growing Apricots, Cherries, Peaches, and Plums in Wisconsin
Successfully growing apricots, cherries, peaches and plums in Wisconsin requires time, space and expertise. Find out how to grow these fruits, from planting through harvest, in this publication.
Edema
Edema is a physiological disorder that affects houseplants, greenhouse plants, and other plants sheltered under plastic. Learn about these fluid-filled “blisters” on leaves in this factsheet.
Calibrating and Using Lawn Fertilizer and Lime Spreaders
Learn how to calibrate your spreader to apply the right amount of lime or fertilizer to your lawn or garden.
Black Knot, Apiosporina morbosa
Large swollen dark-colored growths on plum and cherry trees are caused by a fungal pathogen that causes the disease known as black knot. To learn more about this disease and how to manage it, read this article.