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...

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) 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) 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) 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 If deer visit your property, you've likely already experienced the frustration of having landscape plants destroyed overni...

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

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, R. F. Patton Dothistroma needle blight causes needle spots, discoloration, and substantial needle loss in hea...

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

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

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...