Verticillium Wilt of Trees and Shrubs

Verticillium wilt is a typically fatal disease that affects a wide range of deciduous woody ornamentals in Wisconsin. Symptoms and management are covered in this factsheet.

Root Rots in the Garden

Root rot is a general term that describes any disease where the causal organism attacks and leads to the deterioration of a plant’s root system. Learn about root roots and their management in this factsheet.

Scale Insects

Scale insects are often overlooked because they are immobile and look like small bumps that just might be plant parts. Learn more about this group of inconspicuous and atypical insects in this article…

Hardiness Maps

Maps related to cold hardiness zones so you can choose plants that can survive winter in your area.

Reducing Soil pH

Proper soil pH allows plants to efficiently take up nutrients. Learn how to reduce high soil pH in this factsheet.

Elderberry Rust

Elderberry rust is a visually striking cosmetic fungal disease that affects stems, leaves and flowers of plants in the genus Sambucus (i.e., elderberries), and also affects sedges (Carex spp.). Learn more in this factsheet.

Viburnum Borer

Major branch dieback, plant decline, and plant death of Viburnum species are commonly associated with the caterpillars of clearwing borer moths. Learn symptoms and management in this factsheet.

Landscaping In Spite of Black Walnuts

Black walnut trees can have a dramatic, negative affect on certain plants. To learn more about juglone toxicity and which plants are suceptible, read this article…

Common and Glossy Buckthorns

The Management of Invasive Plants in Wisconsin series explains how to identify invasive plants, including common and glossy buckthorns, and provides common management options.

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