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From left: Meadow deathcamas in a South Dakota prairie rangeland. Silvery Lupine in a rangeland in South Dakota.

Poisonous Plants on Rangelands: Deathcamas and Lupine

With prolonged drought conditions throughout many areas of South Dakota, there is an increase of invasive weeds and poisonous plants on rangelands. Identification of poisonous plants is crucial to ensure livestock production is not compromised.

a women with brown hair wearing a grey sweater

SDSU Extension Welcomes Anna Barr as Farm to School Specialist

July 12, 2021

A native of Newton, Iowa, Anna Barr brings broad expertise to the position as Extension’s first Farm to School Nutrition Field Specialist.

Lone sheep grazing drought-stressed rangeland.

Drought Considerations for Grazing Range Flocks

Having a drought plan in place to best manage pastures is critical in being prepared for next year’s grazing season. Make decisions that will manage risk and promote both flock and financial longevity.

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.

Black and red feedlot cattle eat corn silage from a feed bunk in South Dakota.

Frequently Asked Questions - Forage Nitrate Toxicity in Ruminant Livestock

A fact sheet to address frequently asked questions about forage nitrate toxicity in ruminant 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.