Deciduous Trees & Shrubs

Deciduous trees and shrubs are woody plants characterized by their seasonal shedding of leaves in preparation for winter dormancy. Use the guide below to learn more about deciduous trees and shrubs in Wisconsin.

Deciduous Trees & Shrubs Videos

Find recorded Extension video programs ranging on topics from fundamentals of shrub pruning to proper tree planting by clicking the button below.

General Deciduous Trees & Shrubs Resources

Discover a variety of resources on deciduous trees & shrubs. Dive into guides, articles, and websites below!

DNR Invasive and Regulated Plants List
Code NR 40 makes it illegal to possess, transport, transfer or introduce certain invasive species in Wisconsin without a permit.

Proper Tree Planting
Step by step instructions to correctly plant a tree.

i-Tree Tools
i-Tree is a free tool developed by the USDA Forest Service that provides urban and rural forestry analyses and benefit assessment tools.

Trees and Shrubs for Diversity and Climate Change
Find the latest recommendations on woody plant selections adaptive to a changing climate.

Planting for the Future
Compare Wisconsin’s current and future cold hardiness and heat zones and understand how this information can be used to plan for future tree plantings.

Photo left: American Linden/Basswood – Tilia spp.

Discover our most popular deciduous trees & shrubs articles below!

Black Walnut Toxicity
Black walnut trees (Juglans nigra) produce a toxic substance (called juglone) that prevents many plants from growing under or near them.

Homeowner’s Guide to Emerald Ash Borer Insecticide
Several insecticide products are available to homeowners for control of Emerald Ash Borer, however, not all ash trees should be treated.

Is My Ash Tree Worth Saving
Tree location, value, and health, as well as the cost of treatment are all factors to consider when determining if the tree should be treated.

Leave the Leaves
If you have trees dropping leaves on your lawn grass, in many cases there is no need to incur blisters by raking them up. Leaves have nutrients, which can be recycled into your lawn.

Verticillium Wilt of Trees and Shrubs
Verticillium wilt is a typically fatal disease that affects a wide range of deciduous woody ornamentals in Wisconsin.  Trees most commonly and severely affected are maple and ash.

Photo left: Woodpecker damage on Ash tree.


Click on each section below to browse a list of categorized articles.


Planting, Care & Maintenance

Diseases & Disorders


Apple Scab

Armillaria Root Disease

Ash Yellows

Bacterial Blight

Bacterial Canker

Bacterial Wetwood

Black Knot

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Black Knot, Apiosporina morbosa

Black Spot

Black Walnut Toxicity

Boxwood Blight

Butternut Canker


Crown Gall

Cucumber Mosaic

Dead Man’s Fingers

Deciduous Tree Galls

Deciduous Tree Leaf Disease Quick Reference

Mower damage on tree trunk

Deciduous Trees Disorder: Miscellaneous Causes of Decline

Deciduous Trees Disorder: Springtime Weather Injury to Foliage

Downy Mildew

Dutch Elm Disease

Eastern Filbert Blight

Elderberry Rust

Fire Blight

Foliar Nematodes

Golden Canker (Cryptodiaporthe Canker)

Gray Mold (Botrytis Blight)

Guignardia Leaf Spot

Gymnosporangium Rusts

Herbicide Damage

Honeylocust Disorder: Canker Diseases in Wisconsin

Landscaping In Spite of Black Walnuts


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Maple Gall Mites (Eriophyidae)

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Nectria Canker

Oak Wilt

Oak Wilt Management—What Are the Options?

Powdery Mildew – Trees & Shrubs

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Powdery Mildew Remedies

Purple Bordered Leaf Spot

Root and Crown Rots

Root Rots in the Garden

Root-Knot Nematode

Rose Rust

Saying Bye-Bye to Boxwood Blight: Proper Disposable of Holiday Wreaths

Scorch and Related Problems in Trees and Shrubs

Shade Trees Disorder: Decline, Dieback, or Early Senescence

Southern Blight

Sudden Oak Death

Tar Spot of Trees and Shrubs


Ten Common Plant Diseases / Disorders You Can Diagnose by Eye

Thousand Cankers Disease

Thyronectria Canker

Tubakia (Actinopelte) Leaf Spot

Verticillium Wilt of Trees and Shrubs

Winter Salt Injury and Salt-tolerant Landscape Plants

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Woody Ornamentals Pest Management in Wisconsin



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