New Jersey Weed Gallery
Rutgers New Jersey Agricultural Experiment Station / Rutgers Home / Search Rutgers 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 ... [... more]
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 some lawns. It occurs as a localized weed throughout California. . It spreads by creeping stolons and forms a dense mat. ... [... more]
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 certainly a poetic way of looking at weeds. From a gardener's point of view, however, weeds are part of the battle for a healthy, [... more]
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 include: the species indigenous to the area and those transported into the area, tillage practices, herbicide and herbicide modes ... [... more]
Virginia Tech Extension |
Broadleaf Weed Control
Coal season broadleaf weeds are a major problem throughout Texas where mild temperatures stimulate luxuriant growth during winter and spring. These weeds including dandelion, chickweed, henbit, burweed and clover are particularly troublesome in ... [... more]
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, usually more often in drier areas. The cotyledons (seed leaves) and first true leaves are long and thin, like pine needles. ... [... more]
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 & Hayfield Weeds Lawns & Turfgrass Weeds Landscape & Nursery Weeds Right-of-way & Roadside Weeds Aquatic Weeds Wildflowers [... more]
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 in cross section and arranged in sets of three at the base. Stems are triangular in cross section. Purple nutsedge grows mainly ... [... more]
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 should apply these products soon. In certain areas of the state, some weed seeds have already germinated. However, many are ... [... more]
University of Illinois Agriculture |
Weed Gallery: Crabgrass
Large crabgrass, D. sanguinalis, is a widely distributed annual that germinates throughout the summer. Seedlings sprout quickly, forming a clump with extensive roots where soil is moist. Once established, it is difficult to weed out because it ... [... more]
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, light and water Weeds tend to be very competitive and are capable of taking advantage of disturbed areas. They often produce ... [... more]
gardening.wsu.edu |
Weed Gallery: Poison hemlock
Weed Gallery: Poison hemlock (other common names: poison parsley, deadly hemlock, snakeweed) Poison hemlock is a tall biennial broadleaf weed native to Europe and found throughout California. Seeds germinate in April and May; the plant matures in ... [... more]
University of California IPM |
