Western Conifer Seed Bug
A large and somewhat strange-looking insect, Western conifer seed bugs are less of a plant pest than they are a nusiance when they overwinter inside homes. Learn more in this factsheet.
Evergreen Trees & Shrubs
Trees and shrubs are the backbone of our landscapes. Properly placed and well-maintained landscape plants help conserve energy, provide shade, increase the property values, attract wildlife, offer privacy and help us create peaceful outdoor living environments.
Articles
Gymnosporangium Rusts (Cedar-Apple Rusts)
Gymnosporangium rusts, such as Cedar Apple Rust, need both junipers and woody plants in the rose family to complete their life cycle. Learn more in this factsheet.
White Grubs on Christmas Trees
White grubs, the larval stage of Junebugs, can be an important pest in Christmas tree and other conifer plantings. Learn to identify white grub damage, and management, in this factsheet.
Pruning Evergreens
Pruning can help control the size of an evergreen, direct growth, or maintain plant health and appearance. Learn how to prune evergreens in this factsheet.
Plants Not Favored by Deer
If deer visit your property, before planting (or replanting), check out this list of trees, shrubs, flowers, herbs, and grasses that deer tend to avoid.
Winter Burn
This publication covers winter burn, a common problem of evergreens including those with broad leaves, needles and scale-like leaves grown in open, unprotected locations and exposed to severe winter conditions.
Wood Mulch and Tree Health
Wood mulch can contribute to tree and shrub health in many ways, but at times can be harmful. Learn more in this factsheet.
Spongy Moth
Spongy moth (formerly gypsy moth) is a destructive insect when the caterpillars occur in large numbers and defoliate trees. This factsheet will help with identification and management of this pest.
Aphids
Aphids are soft-bodied, insects that feed on plant sap and subsequently excrete a sugary substance that can attract ants as well as support a saprophytic fungus called sooty mold. Learn about aphids found in home gardens in this factsheet.
Herbicide Damage
Herbicide damage is any adverse, undesired effect on a plant that is caused by exposure of that plant to a pesticide designed for weed control. Learn symptoms and more in this factsheet.
Armillaria Root Disease
Armillaria root disease, also known as shoestring root rot, can affect most conifer and hardwood species, and is an often lethal disease of tree and shrub roots and lower stems. Learn more in this factsheet.
Woody Ornamentals Pest Management in Wisconsin
An indispensable resource for nursery growers, this publication identifies pests of trees and shrubs in the state plus the products available for their control.
