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Flowering Canada thistle distributing seed in a pasture.

Dense Seeding Can Reduce Canada Thistle in Planted Grasslands

Canada thistle is a common invader in grassland plantings. Over the past decade, researchers and land managers have experimented with controlling Canada thistle in planted grasslands through increasing competition from desirable plants.

Rangeland covered with dense thickets of maturing cedar trees.

Cedar Trees and Rangeland Loss

The issue of cedar tree invasion into South Dakota’s rangelands tends to be a regional conversation. There is generally broad agreement among most resource professionals that these trees are in fact changing our landscape in a negative way.

Scoops of ready-to-eat cookie dough in a white bowl.

How to Make a Safe, Ready-to-Eat Cookie Dough

Ready-to-eat cookie dough is a delicious snack or dessert that can be enjoyed, but only when made safely. This includes using commercially processed heat-treated flour, ready-to-eat ingredients and using good sanitary practices when making the cookie dough.

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.

Young, female rancher observing beef cattle in a pen.

SDSU, NDSU Extension to Host Inspired by Annie’s Project ‘Meat Marketing 101’

July 13, 2022

Industry specialists from both South Dakota and North Dakota will discuss topics, such as consumer preferences, marketing plans, processing and product distribution.

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.