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Numerous nymph grasshoppers feeding on corn.

Large Grasshopper Populations Detected in South Dakota

Very large populations of grasshoppers have been detected in southeastern South Dakota. Although these grasshoppers aren’t causing serious defoliation in crops yet, there is the possibility that they will as the season progresses.

Greenish brown bugs on a white sweep net cloth.

Alfalfa Plant Bugs Showing Up in Abundance

Several insect pests have been showing up early in alfalfa this season, including the alfalfa plant bug. Learn how to identify, scout, and manage this pest before it impacts your alfalfa yields.

Gray beetle on a green alfalfa leaf.

Blister Beetles Are Active in South Dakota

A common pest of alfalfa, blister beetles pose serious health risks to livestock if their bodies are consumed along with alfalfa bales. Learn some important considerations for identifying and managing blister beetles before harvesting alfalfa this growing season.

Dark green and tan curled caterpillars with an orange stripe along their sides.

True Armyworm Caterpillars Found in South Dakota

Although true armyworms can feed on numerous crops, they are primarily an issue for corn and wheat. True armyworm caterpillars feed on leaves and can cause severe defoliation when large populations are present.

Woodland Phlox and Dame’s Rocket.

Plant Look-Alikes: What’s the Difference Between Phlox and Dame’s Rocket?

Distinguishing between native phlox flowers and the invasive dame's rocket can be challenging due to their similar appearances. Learn some key characteristics that can help you tell dame's rocket apart before it invades your property.

A man with a microphone speaks to a small group of people standing in a field under a blue tent.

South Dakota State University’s Dakota Lakes Research Farm hosts Field Day on June 29

June 16, 2023

South Dakota State University’s Dakota Lakes Research Farm (DLRF) will host its annual field day on June 29, 2023. The field day will begin at 3:00 PM (CST) and run until dark.

A woman sits in a grassland with a clipboard making notes. More people with notes and buses are in the background.

SDSU Extension promotes 2023 National Range Judging Contest results

June 21, 2023

South Dakota students had a strong showing at the 2023 National Range Judging Contest.

Tulips blooming near the entrance to McCrory Gardens.

McCrory Gardens Trial Report aids in flower selection

June 20, 2023

The 2022 McCrory Gardens Trial Report, issued this spring by South Dakota State University Extension and McCrory Gardens, helps South Dakotans choose flower varieties that do well in local conditions.

Plant Profiles: Palmer Amaranth, Waterhemp, and Pigweed.

Vegetative Identification of Palmer Amaranth, Waterhemp, and Redroot Pigweed

Palmer amaranth is a non-native weed sharing common characteristics with waterhemp and redroot pigweed. Learn how to identify all three of these aggressive weeds before they become an issue in your fields this growing season.

A group of people stand in a field with a combine in the background

South Dakota State University Northeast Research Farm to host Field Day on July 13

June 21, 2023

The South Dakota State University Northeast Research Farm Field Day will be held on July 13 at 4 p.m. and will run until dusk.