Weed identification is a constant challenge for many of us. The best first step to plant ID is to have the appropriate reference materials on hand. Here are those that we find of most help in identifying weed samples.
This is a web version of a slide set developed in cooperation with the ISU Agribusiness Education Program. As more weed ID slides are developed they will be added. When viewing each slide, the buttons below the slide will move you ahead, back, or return to this listing.
Accurate weed identification is the first step in a successful weed control program. Various weed species respond differently to different methods of control. Whether you choose chemical, cultural or mechanical control measures, you need to know what weed species are present.
This photo gallery contains pictures of many plants that are common to North America. Some of the plant species listed are not generally considered weeds but may have toxic or poisonous properties, or are otherwise of general interest as wildflowers or herbs.
These pages are intended to aide in the identification of common weeds and weed seedlings found throughout Virginia and the Southeastern U.S. The weed pictures in this guide are arranged alphabetically by common name and may be viewed by clicking on one of the letters to the left.
Welcome to the New Jersey Weed Gallery, a collection of photos and descriptions of weeds found in New Jersey. Click on an index below to begin browsing our gallery.
Idaho OnePlan recommends the website of the Idaho Weed Awareness Campaign as the best resource for up-to-date information about Idaho's noxious weeds, and their control.
Corn and soybean growers have a new option for selective postemergence control of tough broadleef weeds in corn and soybeans with new Cadet herbicide. Cadet delivers superior control of velvetleaf at very low rates and provides added control of pigweed, lambsquarters, waterhemp and nightshade.