By: Mark Renz, Professor, Extension Weed Specialist, UW-Madison Planting pollinator friendly habitats is an important practice to help support pollinator conservation, but managing the weeds can make it challenging. In this video, you will learn about Mark Renz’s research about weed management options and what factors you should consider when planning and establishing pollinator plantings. […]
Scott R. Craven, Phillip J. Pellitteri, Mark J. Renz Revised: 1/15/2010 Item number: G3564 Wisconsin’s bountiful natural resources make it an ideal place for outdoor recreation. Most plants and creatures you encounter won’t hurt you, but timber rattlesnakes, yellow jackets, wild parsnip, and others can be troublesome. This guide will help you recognize, avoid, and […]
Herbicide damage is any adverse, undesired effect on a plant that is caused by exposure of that plant to a pesticide designed for weed control. Learn symptoms and more in this factsheet.
This detailed, illustrated guide will help you identify 54 of the most common problem weed species in the north central region of the United States. It is divided into two main sections: grass and grass-like weeds and broadleaf weeds.
Creeping Charlie (Glechoma hederacea) is an herbaceous perennial plant that spreads by seed and by creeping stems (called stolons) that grow along the ground. With this factsheet, learn how to identify and control this common lawn and garden weed.
Known by several common names, Glechoma hederaceae is a pest in lawns and gardens. Often called Creeping Charlie it thrives in moist, shady spots and is difficult to eradicate. Learn about this creeping nuisance in this article…
Portulaca oleracea is a low-growing plant with succulent leaves. This annual grows quickly to produce a mat of tart-flavored edible leaves. Because of its fast growth, prolific seed production, and ability to survive in all types of soils, most people think of it as a pest, but some consider it a vegetable. To learn more about this edible weed, read this article…
Wild parsnip (Pastinaca sativa) is an aggressive Eurasian member of the carrot family that grows in sunny areas and tolerates dry to wet soil types. Very invasive, it can overtake roadsides and fields. Contact with this plant can cause severe skin blisters and permanent scarring. Learn how to identify and control this invasive plant in this factsheet.
In mid-summer, the fields and roadsides are filled with airy white flowers of Queen Anne’s Lace, an introduced plant that is related to carrots. Learn more about this nearly-ubiquitous weed by reading this article…
This factsheet will help you identify wild buckwheat – Polygonum convolvulus, a common weed in pastures and other settings.
This factsheet will help you identify tall / common waterhemp, a common weed in pastures and other settings.
This factsheet will help you identify plumeless thistle, a common weed in pastures and other settings.