Weed Identification and Control

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Photo: Tim Abbey
Common Pokeweed Identification and Management - Articles Articles
Pokeweed can be a weed in landscape beds and nurseries. More
Photo: Loke T. Kok, Virginia Polytechnic Institute and State University, Bugwood.org, bull thistle, Cirsium vulgare
Bull Thistle Identification and Management - Articles Articles
Bull thistle (Cirsium vulgare) is a biennial that true to its name, has notable spines. This plant is much different than Canada thistle. More
Photo: Chris Evans, University of Illinois, Bugwood.org, annual sowthistle, Sonchus oleraceus
Annual Sowthistle - Articles Articles

Annual Sowthistle

Timothy Abbey

Annual sowthistle (Sonchus olearaceus) is one of the annual thistles. More
Photo: Karan A. Rawlins, University of Georgia, Bugwood.org
Black Medic - Articles Articles

Black Medic

Timothy Abbey

Black medic (Medicago lupulina) is a spreading, low growing summer annual. More
quackgrass Elymus repens Stem(s) Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org
Orchardgrass and Quackgrass - Articles Articles
A number of grass species appear in lawns and ornamental beds and are considered weeds. More
Photo: Mark Czarnota, University of Georgia, Bugwood.org
Mulberry Weed - Articles Articles

Mulberry Weed

Timothy Abbey

A weed that has been spreading in recent years in the nursery and landscape trade is mulberry weed. More
Photo: Chris Evans, Illinois Wildlife Action Plan, Bugwood.org, catchweed bedstraw, Galium aparine
Catchweed Bedstraw - Articles Articles

Catchweed Bedstraw

Timothy Abbey

Catchweed bedstraw (Galium aparine) is an annual that can form dense mats of vegetation. More
Photo: Robert Vidki, Doronicum Kft., Bugwood.org henbit Lamium amplexicaule
Henbit—a Common Winter Annual - Articles Articles
Henbit (Lamium amplexicaule), like many of our common weed species, grows in many areas – lawns, landscape plantings, nursery containers, and unmanaged sites. More
Pineapple-weed (Matricaria discoidea) Photo: John D. Byrd, Mississippi State University, Bugwood.org
Pineappleweed - Articles Articles

Pineappleweed

Timothy Abbey

Pineappleweed can be either a summer or winter annual. More
Photo: Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org eastern poison-ivy Toxicodendron radicans
Poison-Ivy - Articles Articles

Poison-Ivy

Timothy Abbey

Poison-ivy (Toxicodendron radicans) is a native woody, perennial vine. More
Photo: John Cardina, The Ohio State University, Bugwood.org poison-hemlock Conium maculatum plant
Poison Hemlock - Articles Articles

Poison Hemlock

Timothy Abbey

Poison hemlock (Conium maculatum) appears to have become more abundant over the past few years. More
Photo: Shepherd's-purse Capsella bursa-pastoris Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org
Shepherd's purse - Articles Articles

Shepherd's purse

Timothy Abbey

Shepherd's purse (Capsella bursa-pastoris) is a winter annual. More
Smooth groundcherry Physalis longifolia var. subglabrata Photo: Theodore Webster, USDA Agricultural Research Service, Bugwood.org
Smooth Groundcherry - Articles Articles

Smooth Groundcherry

Timothy Abbey

Smooth groundcherry (Physalis longifolia var. subglabrata) is a perennial plant. More
Photo: Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org common purslane Portulaca oleracea
Purslane - Articles Articles

Purslane

Timothy Abbey

Purslane (Portulaca oleracea) is a summer annual that forms low growing mats of succulent stems and leaves. More
Photo: Bruce Ackley, The Ohio State University, Bugwood.org prostrate knotweed Polygonum aviculare
Prostrate Knotweed - Articles Articles

Prostrate Knotweed

Timothy Abbey

Prostrate knotweed (Polygonum aviculare) is a summer annual. More
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