Urban Forestry

Author(s) Laura G. Jull Properly placed and maintained landscape plants can increase the value of real estate. However, poor plant choices can be...

Author(s) M. F. Heimann, G. R. Stanosz Rhizosphaera needle cast occurs throughout the state of Wisconsin but infects only certain conifer species....

Author(s) M.F. Heimann, G.R. Stanosz In Wisconsin, Cytospora canker is especially damaging to Colorado blue spruce, but it also affects Norway spr...

Author(s) Scott R. Craven, Robert Ellarson Find out how to create a haven for the birds' food, shelter, and cover with the shrubs and trees you p...

Author(s) R. Chris Williamson, Andrea Diss The gypsy moth caterpillar has a distinctively bristly body, with five pairs of blue warts followed by ...

Author(s) Anna Haines, Lynn Markham, Dan McFarlane, Eric Olson, Rebecca Roberts, Linda Stoll Forests have played a large role in the physical and ...

Author(s) M. F. Heimann, P. J. Pellitteri Despite their name, evergreen needles do not stay green forever. Older, inner needles discolor and drop ...

Author(s) K. A. Delahaut In Wisconsin, the euonymus caterpillar Yponomeuta cagnagella damages the spindletree euonymus, the winged euonymus (also ...

Author(s) Laura G. Jull Plant roots, like people, need oxygen for respiration. That why a flood can stress a plant and even, if roots are submerge...

Author(s) C. F. Koval, S. W. Binnie The eastern tent caterpillar is native to North America, and records of its existence go back as far as 1646. ...

Author(s) M. F. Heimann, P. J. Pellitteri, E. B. Smalley, R. P. Guries Dutch elm disease is a fatal fungus disease attacking American elms. The fu...

Author(s) M. F. Heimann, G. L. Worf Springtime weather injury can cause misleading symptoms on foliage. This fact sheet describes symptoms and ste...

Author(s) G. L. Worf., J. E. Kuntz Many problems and disorders can lead to tree decline. This fact sheet explores sun scald, girdling roots, mower...

Author(s) P. J. Pellitteri, D. L. Mahr, D. J. Hall Severe, early season defoliation of several hardwood species may be caused by spring or fall ca...

Author(s) R. C. Williamson, C. F. Koval Skeletonizing of the leaves of roses, raspberries, grapes, fruit trees, and many other cultivated trees an...

Author(s) K. A. Delahaut, G. L. Worf, E. R. Hasselkus In Wisconsin, scab is the most common ornamental-crabapple disease and is also the most impo...

Author(s) M. F. Heimann, G. R. Stanosz Sphaeropsis shoot blight and canker, formerly known as Diplodia, is a serious disease of many pine species ...

Author(s) E. R. Hasselkus Losing a large shade tree can be a downer. This fact sheet will tell you how to minimize chances that a big old friend ...

Author(s) E. R. Hasselkus Here's sound advice on planting, watering, mulching, pruning, and maintaining flowering shrubs and other woody plants (...

Author(s) P. J. Pellitter Birch leafminers are insects that can destroy the leaves of all ornamental birch varieties grown in Wisconsin. European,...

Author(s) R. C. Williamson, P. J. Pellitteri The bronze birch borer is a serious pest of birch trees in the Midwest. It can severely injure or kil...

Author(s) P. J. Pellitteri, C. F. Koval A small insect called the ash plant bug attacks ash trees in June and July, causing thin, discolored, spot...

Author(s) Stan Binnie Home construction can easily damage or even kill prized and valuable landscape trees. Learn the simple steps of safely prote...

Author(s) Laura G. Jull If deer visit your property, you've likely already experienced the frustration of having landscape plants destroyed overni...