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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.

Left: Fresh herbs preserved inside ice cubes. Right: Variety of fresh herbs hanging in bunches from a burlap string.

Preserving Herbs

Fresh herbs add amazing flavor to recipes during the summertime! Their great flavors can be carried over to cooler seasons through the preservation of the plants and leaves, and the two best ways to extend the life (and flavor) of herbs is through freezing or dehydrating.

Canning supplies arranged on a kitchen counter.

Canning With Less Sugar

As low and no-added-sugar food products have become increasingly popular, new alternative canning recipes have been created. It is possible to preserve fruits with little or no added sugar, which is great for those who prefer reduced calories.

Botulism testing supplies arranged in a lab.

Canners Beware: Botulism

Botulism is a serious, rare illness that is caused by a toxin produced by the bacteria Clostridium botulinum. Botulism is a concern when it comes to canning and fermenting foods, as the anaerobic conditions can cause the Clostridium botulinum spores to create a harmful toxin.

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.

A woman preparing a jar of pickled cucumbers in a kitchen.

Modifying Canning Recipes

Understanding how swapping ingredients, adding ingredients, increasing or decreasing ingredients and making changes to processing plays a vital role in ensuring that home-canned products are safe.

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.

Several bottles of different hot sauces arranged on a counter.

How to Make a Safe Hot Sauce

Hot sauces can be made to with a combination of several different ingredients to give unique flavors and heat that consumers enjoy. There are many considerations that should be made on how hot sauces are processed, formulated and packaged.

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.