Weeds

New Jersey Weed Gallery

Rutgers New Jersey Agricultural Experiment Station / Rutgers Home / Search Rutgers Welcome to the New Jersey Weed
From njaes.rutgers.edu

Weed Gallery: Dichondra

Kidney weed dichondra is a low-growing perennial plant sometimes used as a ground cover but which also becomes weedy in
From University of California IPM

Weed Management

According to Ralph Waldo Emerson, "A weed is a plant whose virtues have not yet been discovered". This is
From sustland.umn.edu

Weed Species Shift Over Time -- Part I

A number of factors influence the species of weeds which are dominant in crop production systems. These factors may
From Virginia Tech Extension

Broadleaf Weed Control

Coal season broadleaf weeds are a major problem throughout Texas where mild temperatures stimulate luxuriant growth
From Texas Horitculture

Weed Gallery: Russian thistle

Russian thistle is a common annual broadleaf weed. It is found in saline areas. It occurs throughout the western states,
From University of California IPM

Aquatic Weeds:

Select a Resource... VT Weed ID Guide Home Grass Weed ID Key Scientific Name Index Crop & Garden Weeds Pasture &
From ppws.vt.edu

Weed Gallery: Purple nutsedge

Purple nutsedge is a perennial weed in the sedge family plant that superficially resembles grass. Leaves are V-shaped
From University of California IPM

Preemergence Weed Control

Preemergence herbicides are used to control weeds before the weed seeds germinate. If you have not done so already, you
From University of Illinois Agriculture

Weed Gallery: Crabgrass

Large crabgrass, D. sanguinalis, is a widely distributed annual that germinates throughout the summer. Seedlings sprout
From University of California IPM

What Is A Weed

Cause injury to man and animals, such as poison ivy or poison hemlock Compete with garden plants for soil nutrients,
From gardening.wsu.edu

Weed Gallery: Poison hemlock

Weed Gallery: Poison hemlock (other common names: poison parsley, deadly hemlock, snakeweed) Poison hemlock is a tall
From University of California IPM

Weed Gallery: Mouseear chickweed

Mouseear chickweed is a prostrate perennial broadleaf weed with stems that root at the nodes to form dense patches.
From University of California IPM

Weed Science Society of America

The Weed Science Society of America (WSSA) has petitioned Congress to rescind a last-minute change to the recently
From wssa.net

Weed Regulatory Services

Exotic, non-indigenous weeds whether purposefully or inadvertently introduced are capable of reducing crop and
From ncagr.gov