Lawn & Garden

Author(s) M. F. Heimann, G. L. Worf. These diseases may strike peonies anywhere in Wisconsin. Although distinct, Phytophthora and Botrytis are dis...

Author(s) Brian R. Smith, Daniel L. Mahr, Patricia S. McManus, Teryl R. Roper. A variety of raspberries-black, purple, and yellow as well as red-c...

Author(s) Teryl R. Roper, Daniel L. Mahr, Patricia S. McManus. Apricot, cherry, peach, and plum trees produce some of the tastiest fruit available...

Author(s) Christelle Guédot, Jed Colquhoun, Glenn Nice, Leslie Holland. Revised March 2024. The latest recommendations for disease, insect, and wee...

Author(s) Christelle Guédot, Janet van Zoeren. In the summer of 2016, the brown marmorated stink bug (BMSB) was detected for the first time in agr...

Author(s) P. S. McManus, M. F. Heimann Sooty blotch and flyspeck are separate diseases that often occur together on apple and pear fruit during l...

Author(s) Patti Nagai. The concept of a community garden often varies from person to person and community to community. In this publication, you'...

Author(s) Joe Muellenberg, Lesly Scott. Youth gardens are popping up everywhere: schools, parks, churches, and community centers. This new public...

Author(s) Karen Delahaut, Walt Stevenson. Angular leaf spot is a bacterial disease that can be economically damaging to cucumbers, honeydew melon,...

Author(s) Karen Delahaut, Walt Stevenson. Phytophthora blight is a fungal disease capable of completely destroying zucchini, pumpkin, summer squas...

Author(s) R. C. Williamson, P. J. Pellitteri. White grubs feeding on the turfgrass roots can cause either irregular patches or uniformly thin, dro...

Author(s) Amanda Gevens, Jaime Wilbur. Late blight can result in complete destruction of tomato crops if left unmanaged. Learn about the symptoms...

Author(s) Karen Delahaut, Walt Stevenson. Both early blight and Septoria leaf spot are potentially serious diseases that affect the leaves, stems,...

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

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 eve...

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

Author(s) Amanda Gevens, Jaime Wilbur. Late blight affects a variety of plants in the Solanaceae family but is best known for its destruction of ...

Author(s) R. Chris Williamson. A serious insect pest of turfgrass, the northern masked chafer is a beetle species that has been reported in two so...

Author(s) M. F. Heimann, G. L. Worf. Physical damage to the trunk—caused by sunscald or even lawn mower damage—opens the way for a fungal infectio...

Author(s) M.F. Heimann, G.L. Worf. Fire blight sometimes causes dramatic and serious damage, blackening leaves and either the vegetative shoots or...

Author(s) C. F. Koval, D. L. Mahr, P. J. Pellitteri. Cottony maple scale is an insect that can infest the twigs of maples and other shade trees wi...

Author(s) J. A. Wyman, P. J. Pellitteri. Insect illustrations aid you in identifying garden pests. Descriptions of cultural, mechanical, and chem...

Author(s) C. A. Johnson, R. C. Williamson. The linden borer (Saperda vestita Say) is a native insect found throughout northeastern North America t...

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

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) K. A. Delahaut, A. C. Newenhouse. This publication is packed with practical information for organic and conventional growers, and it's t...

Author(s) R. Chris Williamson, Annie Deutsch. A serious insect pest of turfgrass, the European chafer beetle was first reported in Door County, Wi...

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

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 c...

Author(s) D. L. Mahr, P. S. McManus, T. R. Roper Strawberries are one of the easiest fruit crops for gardeners to grow. However, they are suscepti...

Author(s) P. S. McManus. Black Root Rot is one of the most common problems affecting strawberries in commercial plantings and in the home garden. ...

Author(s) P. S. McManus. Angular leaf spot, caused by Xanthomonas fragariae, is the only important bacterial disease affecting strawberries. Find ...

Author(s) Annie Deutsch, Christelle Guédot. Plum curculio, a beetle native to the midwestern United States, is one of the most common and detrimen...

Author(s) Teryl R. Roper. Plant growth regulators (PGRs) can be used with some precision for thinning fruit, regulating growth, and adjusting har...

Author(s) Teryl R. Roper, Gary G. Frank. Apple production can be a financially and emotionally rewarding venture. However, a desire to grow fruit...

Author(s) Amaya Atucha, Janet van Zoeren. Monitoring fruit ripening is a critical step in determining the optimal time to harvest grapes to ensure...

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) Joe Van Rossum. Home composting is an easy and inexpensive way to create a valuable soil amendment from yard and household waste such as...

Author(s) Wayne Kussow, Keith Kelling. Learn how to calibrate your spreader to apply the right amount of lime or fertilizer (4 pages; Revised in 2...

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

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 ki...

Author(s) Susan E. Rice Mahr, Raymond A. Cloyd, Daniel L. Mahr, Clifford S. Sadof. Greenhouse managers wage ongoing battles with insect pests. Thi...

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) Joseph R. Sanford, Rebecca A. Larson. The organic fraction of municipal solid waste (MSW) can be composted to reduce the volume of waste...

Author(s) Scott Sanford. The air temperature of a greenhouse is critical for plant growth and disease control, and the type of heater used to heat...

Author(s) P. J. Pellitteri. Earwigs have large, pincers-like protrusions at the rear of the body, which give them an evil appearance, but they don...

This detailed, illustrated guide will help you identify the 54 most common problem weed species in the north central region of the United States. ...

Author(s) Midwest Fruit Workers Group. This publication is only available through Purdue Extension's Education Store. Free PDF Single copies from...