Tips for Getting Landscape Plants Ready for Winter
By: Lisa Johnson, Horticulture Outreach Specialist In this video, learn how to protect susceptible plants from snow and cold damage. This video includes how to protect woody plants and provides...
View ArticleStrategies for Identifying and Managing Insect Pests
By: PJ Liesch, Extension Entomology Specialist Even though insects can cause damage to our plants, not all of them are harmful. In this video, you will learn how to look for signs of insects, why...
View ArticleProtecting Young Trees from Animal and Other Damage Over Winter
In winter, young trees are prone to a variety of hazards. In this video, learn how you can mitigate that damage by protecting young trees from potential wildlife damage and how to effectively protect...
View ArticleThyronectria Canker
Authors: Brian Hudelson, UW Plant PathologyLast Revised: 12/16/2021D-number: D0114 What is Thyronectria canker? Thyronectria canker is a common fungal disease of honeylocust (Gleditsia triacanthos),...
View ArticleTrees and Shrubs for Diversity and Climate Change
Find suggestions for which trees and shrubs to plant to increase diversity in a changing climate.
View ArticleBlister Canker
What is blister canker? Blister canker (also known as nailhead canker) is a potentially lethal disease that primarily affects apple and crabapple trees. Other trees and shrubs grown in Wisconsin that...
View Article5 Steps to Plant a Tree
Interested in planting a tree on your property? Take a look at this tree planting article to learn best practices.
View ArticleElm Zigzag Sawfly
The elm zigzag sawfly is an invasive sawfly that attacks elm trees. Populations were detected in Wisconsin for the first time in July 2024 and were quickly found in several counties across the state....
View ArticleTree Species Recommended for Fall Planting
These are a compilation of tree species recommended for fall planting/waiting until spring in various Extension resources. Some species appear on both lists. (Last updated 8/9/2024) Trees Suggested for...
View ArticleRed Star Rust
Red star rust (also known as Japanese apple rust or lipstick rust) is a type of Gymnosporangium rust. This plant disease is particularly concerning because of its potential negative impact in...
View ArticleSilver Leaf
What is silver leaf? Silver leaf is a fungal disease that affects a wide range of deciduous trees. The disease has its biggest impact in fruit trees such as apple, pear and cherry, but can also...
View ArticleLeaf Color Change in Autumn
The colors of autumn leaves are one of nature’s most beautiful spectacles. Learn about what goes on inside leaves that leads to a beautiful fall color show in this article.
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