This tool allows you to look up the efficacy of an herbicide active ingredient on a particular weed species. It has a low hazard rating for mobility and persistence in soil. Covers organic weed control methods for organic apple orchards.īreth, D I and E Tee. An herbicide with aminopyralid is safe to use around grass and livestock. Descriptions of the plant structures as well as comparisons to similar plants. Identification information on Bull Thistle by University of Wisconsin-Extension’s Renz Lab. Profile on Bull Thistle with extensive descriptions on weed management as a part of the Weed Report from Weed Control in Natural Areas in the Western United States, shared by University of California, Davis. Fruit/Seeds: Small white flowers late spring summer.

Mohler on ecological management of weeds, from Cornell University Press. Description: An aggressive, prickly, trailing perennial plant which grows into dense thickets. Organic management suggestions are from Dr. Identification and control options for weeds common to turf, agriculture, and gardens in New York uses a very simple decision tree to identify your weed. The burs are very prickly to hands and feet.

The go-to for weed ID in the Northeast look for a new edition sometime in 2019.Ĭornell University’s Turfgrass and Landscape Weed ID app. Seeds: Seeds are contained within a bur (the fruit), which is to inches long. It's both an annual and perennial plant that blooms from March to May, with seed pods that are large and prickly. We also find it in crops, including orchards, pastures, and cereal grain fields. Book published by Cornell University, Ithaca NY. Spiny buttercup (Ranunculus muricatus) is a non-native plant, that is fairly common, especially in wet areas such as meadows. Lesser celandine: Spring garden and lawn invader.New Penn State resource for spring weed control in grass hay and pastures.Late postemergence herbicide options for soybeans.Its both an annual and perennial plant that blooms from March to May. Spiny buttercup (Ranunculus muricatus) is a non-native plant, that is fairly common, especially in wet areas such as meadows. Deaths from alkaloid-containing plants usually result from severe digestive disturbances, pain and nervous symptoms. Spiny buttercup: A toxic weed and host for tomato spotted wilt virus. They are rarely eaten except when animals are starving for better feed. Fall Weed Seeds and Equipment Clean-Out Article Mayapple, bloodroot, pokeweed, nightshade and hellebore are other alkaloid-containing plants.Toxicity Concerns For Forage After Frost.

Ecoogical Weed Management Book Published.

No-till Spring Weeds: Penn State article.

Grass-like Plants Homepage Toggle the sub-menu.

Common Agricultural Weeds & Management Toggle the sub-menu Common ragworts are described as having lobed leaves that are blue or green in color and yellow flowers that are shaped like a star.

Spiny fruit buttercup weed