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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.

Green beetles feeding on the tip of a corn ear.

Northern and Western Corn Rootworm in South Dakota

Fact sheet on Northern and Western Corn Rootworm in South Dakota

sunflower field

Best Management Practices for Sunflower Production

This is your unbiased, research-based guide to sunflower production, providing the latest recommendations to help increase yield, reduce input costs and protect your investment.

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.

Canada thistle growing in a pasture.

Noxious Weeds of South Dakota

Pictorial reference guide of noxious weeds in South Dakota

Two white, newborn lambs under a red heat lamp in a barn.

Sheep Facilities and Moisture

Fact sheet for keeping a barn comfortable and dry to increase lamb survival.

Monarch butterfly collecting pollen on a blazing star plant.

Understanding the Critical Role of Broadleaf Pollinator Plants in Pastures

Understanding the economic role of pollinators is the first step towards understanding their diverse values to grassland and crop systems.

Three bees on a wooden box.

Backyard Biodiversity: Nest boxes for native bees

Many of our native bee species are solitary. In order to ensure that these kinds of bees spend more time in our yards and gardens, it is important to make sure we include places for them to nest.