Trees & Shrubs

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

This brochure offers a handy listing of all gardening and related publications available from UW–Madison Division of Extension Publishing (24 pages...

Author(s) Dan A. Wilson, Thomas J. Wilson, Wayne G. Tlusty This publication explores landscape planning: putting the plan on paper; selecting, pl...

Author(s) Christine Wen, Joe Van Rossum Making your own compost is an easy, practical, and satisfying way to make use of yard waste and table scr...

Author(s) Laura G. Jull Lilacs for Cold Climates describes the best of the top-rated cold-weather cultivars. These are the gems that will survive ...

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

Author(s) Laura G. Jull When selecting plants for landscaping, consider choosing ones that offer showy fall foliage. This beautifully illustrated...

Author(s) M. F. Heimann, G. L. Worf, R. F. Patton Dothistroma needle blight causes needle spots, discoloration, and substantial needle loss in hea...

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 Sphaeropsis shoot blight and canker, formerly known as Diplodia, is a serious disease of many pine species ...

Author(s) Scott Sanford, John Panuska Micro irrigation has numerous advantages over sprinkler irrigation and can be used in greenhouses, orchards...

Author(s) Chris Williamson, P.J. Liesch, Jim Kerns, Roger Flashinski Woody Ornamentals Pest Management in Wisconsin is an indispensable resource f...

Author(s) M. F. Heimann, G. L. Worf "Decline" is a general term that describes the deterioration of a tree's crown or an overall reduction in vigo...

Author(s) Jane Cummings Carlson, A. Jeff Martin, Kyoko Scanlon Thousands of oaks in woodland and urban settings die every year from oak wilt, a fu...

Author(s) M. F. Heimann, G. L. Worf, J. E. Kuntz, M. J. Drilias Research has demonstrated that many of Wisconsin sugar maples are declining becaus...

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 In Wisconsin, Cytospora canker is especially damaging to Colorado blue spruce, but it also affects Norway spr...

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) Laura G. Jull This publication focuses on recognizing and preventing plant damage caused by deicing salts, evaluates the pros and cons o...

Author(s) M. F. Heimann, G. L. Worf Scorch, or the browning of leaf edges, affects a wide range of deciduous and evergreen plants throughout Wisco...

Author(s) M. F. Heimann, R. C. Newman When the herbicides used to kill broadleaf weeds in the lawn are applied on windy or hot days, they may end ...

Author(s) P. J. Pellitteri, D. L. Mahr, D. J. Hall Early season defoliation of pines in southern Wisconsin may be attributed to European pine sawf...

Author(s) G. L. Worf, M. F. Heimann The honeylocust has become an increasingly important street and landscape tree in Wisconsin. Finer textured an...

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

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

Author(s) R. Chris Williamson This fact sheet on the Japanese beetle, considered the single most important turf grass pest in the United States b...

Author(s) E. R. Hasselkus, E. E. Schulte Explains what fertilizer you should use and how you should apply it to your deciduous trees, evergreens, ...

Author(s) R. C. Williamson, P. J. Pellitteri Tiny aphid-like insects frequently cause unusual swellings called galls at or near the ends of spruce...

Author(s) M. F. Heimann, G. L. Worf, P. J. Pellitteri Sooty mold can be found on virtually any plant in the state. Nearly all shade trees and ever...

Author(s) G. L. Worf, J. S. Stewart Russian olive (Elaeagnus angustifolia) is a small tree with beautiful, silver-gray foliage. The tree was once ...

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) M. F. Heimann, G. R. Stanosz, G. L. Worf These two needle diseases can make Christmas trees unmarketable and can ruin the beauty of Scot...