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Three poisonous rangeland plants. From left: Hemlock, Halogeton and Buffalo Bur.

Poisonous Plants on Rangelands: Hemlock, Halogeton and Buffalo Bur

Several species of poisonous plants are invasive and can easily establish dense stands when there is a disturbance on rangelands. Hemlocks, halogeton and buffalo bur can all be found throughout South Dakota and are toxic to livestock.

Low larkspur and twogrooved poisonvetch plants growing in rangeland.

Poisonous Plants on Rangelands: Larkspur and Poisonvetch

Larkspurs are the second leading cause for all livestock deaths from toxic plant poisoning. Poisonvetches are considered accumulator plants that uptake excessive levels of selenium and cause toxicity problems in cattle.

Two poisonous rangeland plants. Left: Woolly Locoweed.  Right: Lambert Crazyweed (Purple Locoweed).

Poisonous Plants on Rangelands: Locoweed and Crazyweed

Locoweed and crazyweed are found throughout South Dakota rangelands, and both can cause livestock poisoning.The names locoweed and crazyweed are often used interchangeably. However, there are notable differences between the species.

Three woody plants. From left: Ponderosa pine tree, chokecherry bush and greasewood.

Poisonous Plants on Rangelands: Woody Species

Several woody plant species that are poisonous to livestock are found throughout South Dakota rangelands, including ponderosa pine, chokecherry, greasewood and broom snakeweed.

Sealed packages of ground beef stacked inside a meat cooler at a grocery store.

Frequently Asked Questions (FAQs) About Serving Bison and Beef in USDA Child Nutrition Programs in South Dakota

This FAQ document provides responses to commonly asked questions about serving beef and bison in South Dakota Child Nutrition Program (CNP) meals and snacks.

Logo: Mountain Plains Cruch Off  - Biting Into Local

South Dakota Joins 2021 Mountain Plains Crunch Off

September 08, 2021

South Dakota State University Extension and the South Dakota Department of Education’s Division of Child and Adult Nutrition Services are partnering to bring this event to the state Oct. 4-8.

several small eastern red cedar trees growing in rangeland

‘Baa-d Cedars’ Field Day Examines Goat-Targeted Grazing on Cedars

September 17, 2021

South Dakota State University Extension invites the public to an interactive Eastern Red Cedar Management Field Day to see the impact goats can have in controlling the most widely distributed conifer across eastern North America.

Variety of fresh vegetables in blue plastic totes on a table at a farmers market.

Food Safety for Farmers Markets

Food safety bulletins for farmers markets and other direct marketing vendors

Three canning jars filled with cucumber slices.

South Dakota Cottage Home Processing Food Safety

The Cottage Home Processing Food Safety course serves as the approved food safety training for HB1322.

Ages & Stages in the Garden: Ages 9-11

When working with upper elementary youth in a garden consider their physical development and skill level as you develop learning activities. Nine to eleven year olds have better coordination and reaction time by this age, however sometimes dues to growth spurs there can be short-term issues with balance and coordination. Additionally, these children have more body strength and their hand dexterity has increased.