Skip to main content

Search

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.

A green cut alfalfa field dries as the sun sets.

Forage Inventory and Demand Calculator

Calculator for inventorying livestock and forage on hand to determine additional forage purchase needs, or livestock sales.

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.

Tan-gray Goss’s bacterial blight lesions were observed in scouted corn fields.

Goss's Bacterial Wilt and Leaf Blight of Corn

Fact sheet for identifying Goss’s bacterial wilt and leaf blight of corn, also known
as bacterial leaf freckles and wilt.

Oat leaf with very low crown rust.

Crown Rust of Oats

Fact sheet on Crown Rust of Oats for agronomist and growers.

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.

Rolling, drought-stressed pasture with new, green growth emerging in early fall.

Be Careful Grazing the Green this Fall

With fall grazing on the horizon, nearly all of South Dakota is still experiencing drought conditions. Regardless of where your ranch is located, a rancher must be very careful when grazing the fall green-up of cool-season grasses.

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.

A reddish brown calf with a white face grazing in a snow covered pasture

Opportunities for Swath Grazing in South Dakota

Fact sheet on the opportunities for Swath Grazing in South Dakota

Canada thistle growing in a pasture.

Noxious Weeds of South Dakota

Pictorial reference guide of noxious weeds in South Dakota