Plants or Crops

Alfalfa Weevils Are Active in South Dakota

Alfalfa weevil larvae are active across South Dakota. Although they had a somewhat slower start this year, we are now observing all instars of the larvae in alfalfa fields.

Aster Leafhoppers Detected in South Dakota Wheat

Aster leafhoppers are present in wheat again this spring. For the last few years, aster leafhoppers have been a common occurrence in South Dakota wheat.

South Dakota Pesticide Container Recycling

The South Dakota Department of Agriculture and Natural Resources is again offering pesticide container recycling services across the state. View a complete list of 2026 dates and locations.

Large Pea Aphids Detected in South Dakota Alfalfa

Pea aphids are a common pest of alfalfa in South Dakota, and large populations have been detected again in 2026. When large populations are present, their feeding can cause the alfalfa fields to take on a “golden” color.

South Dakota Overwintering Bean Leaf Beetle Predicted Mortality: 2025-2026

Each year we evaluate the overwintering success of bean leaf beetles in South Dakota. For adult bean leaf beetles that successfully overwintered, emergence will begin in the spring and they will move into soybean fields.

SDSU Extension invites public to free Winter Wheat field tours

June 04, 2026

South Dakota State University Extension invites all wheat producers, agronomists and agricultural professionals to attend the upcoming Winter Wheat Variety Tours on June 9, 2026.

Prairie Clovers of South Dakota

Many of us are familiar with the white clover growing in our lawns or the yellow sweet clover growing in rangelands, but did you know that South Dakota has several native prairie clovers that are beneficial for pollinators, birds, and wildlife?

SDSU Extension welcomes new native plant field specialist

June 02, 2026

South Dakota State University Extension is pleased to welcome Allison Dollen as a new Native Plant Field Specialist.

2026 Growing Season: Forecasted dry weather and the implications on postemergence herbicide activity

Weather cannot be controlled, but there are variables we can control to help increase the effectiveness of postemergence herbicides during drought conditions.