Weed Identification and Control

Information on weed identification and control, including catsear, marestail, purple loosestrife, pokeweed, pigweed, poison ivy, crabgrass, hemlock, purslane and multiflora rose. Tips on various herbicides and integrated pest management.

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Photo: Bruce Ackley, The Ohio State University, Bugwood.org prostrate knotweed Polygonum aviculare
Prostrate Knotweed - Articles Articles

Prostrate Knotweed

Tim Abbey

Prostrate knotweed (Polygonum aviculare) is a summer annual. More
Photo: Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org common purslane Portulaca oleracea
Purslane - Articles Articles

Purslane

Tim Abbey

Purslane (Portulaca oleracea) is a summer annual that forms low growing mats of succulent stems and leaves. More
Photo: Chris Evans, Illinois Wildlife Action Plan, Bugwood.org, catchweed bedstraw, Galium aparine
Catchweed Bedstraw - Articles Articles

Catchweed Bedstraw

Tim 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
Using Nature's Signals to Manage Landscape Pests
Using Nature's Signals to Manage Landscape Pests - Articles Articles
The best way to make an effective pesticide application is to observe pest development at the site through regular monitoring. More
Monitor Pests and Keep Records
Monitor Pests and Keep Records - Articles Articles

Monitor Pests and Keep Records

Emelie Swackhamer, Larry Kuhns

Inspecting your plants on a regular basis is essential to identifying and evaluating plant problems in their early stages. More
Ideas On Herbicide Resistance Shared At Regional Meeting Ideas On Herbicide Resistance Shared At Regional Meeting - News
A productive discussion was had in Lancaster on the challenges, successes, and needs going forward for managing herbicide resistant weeds in the mid-Atlantic. More
Herbicide Summary - Velossa Herbicide Summary - Velossa - Articles
Used to control most annual, biennial, and perennial weeds and woody vegetation for conifer site preparation and release and in the establishment of yellow poplar plantations. More
Herbicide Summary - Vanquish Herbicide Summary - Vanquish - Articles
Controls many annual and perennial broadleaf weeds, woody brush, and vines; used for forest site preparation and to control multiflora rose during the dormant season. More
Herbicide Summary - Trooper 101 Mixture Herbicide Summary - Trooper 101 Mixture - Articles
Used for control of most annual and perennial broadleaf weeds, woody plants, and vines on forest planting sites. More
Herbicide Summary - Trooper 22K Herbicide Summary - Trooper 22K - Articles
Broadcast or spot treatments used to control noxious, invasive, or other annual and perennial broadleaf weeds, woody plants, and vines; primarily for conifer site preparation. More
Herbicide Summary - Transline Herbicide Summary - Transline - Articles
Provides post-emergence control of most broadleaf weeds including thistle and kudzu vine; applied as either a site preparation or tree release application for both conifers and hardwoods. More
Herbicide Summary - Tordon K Herbicide Summary - Tordon K - Articles
Used to control annual and perennial broadleaf weeds, woody plants, and vines; primarily for conifer planting site preparation. More
Herbicide Summary - Tordon 101 Mixture Herbicide Summary - Tordon 101 Mixture - Articles
Used for post-emergence control of most annual and perennial weeds, woody plants, vines, and pre-emergence control of most annuals; used primarily for conifer planting site preparation. More
Herbicide Summary - Tahoe 4E Herbicide Summary - Tahoe 4E - Articles
Used to control broadleaf weeds and woody plants; control cut stump re-sprouting and individual stems up to 6 inches in diameter; also used for planting site preparation and conifer release. More