Seasonal Needle Drop

Despite their name, evergreen needles do not stay green forever. Older, inner needles discolor and drop off after one or more years, depending on the species.

Effects of Flooding on Woody Landscape Plants

“How long will my plants survive with their roots under water?” This publication will help you answer that question.

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 article 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.

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.

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.

Calculating Degree Days

Degree Days incorporate temperature and time to quantify the rate of plant and insect development. This useful tool helps predict events such as flowering, harvest, and pest outbreaks.