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A group of green plants with white seed heads amongst green grass.

Avoid Noxious Weeds When Haying Right-Of-Way Ditches

After June 15 or July 10 (dependent on location), right-of-way ditches can be mowed or hayed as announced by the South Dakota Department of Transportation. While there is a demand for grass hay, care should be taken when haying right-of-way ditches.

Cream colored moth with a dark brown band in the middle of its body.

To Avoid Loss of Viable Seeds This Year, Keep an Eye Out for Banded Sunflower Moths in Sunflower

Banded sunflower moths are active in South Dakota, which means it is time to start scouting sunflowers for their eggs. The caterpillars of banded sunflower moths are capable of reducing yields and oil content by feeding on the developing florets and tunneling into developing seeds.

Red-brown colored weevil with bent antennae originating on the elongated mouthparts.

Start Scouting Your Sunflower Fields for Red Sunflower Seed Weevil Presence

Red sunflower seed weevil adults have been detected in South Dakota. Current recommendations for management in both confection and oilseed sunflower is to begin treatment when the majority of the field has reached the R5.4 growth stage, but applications done between R5.1 and R5.4 can still provide yield protection.

A snow-dusted corn stand.

Wet Corn: Storage and Late Harvest Options

With a very challenging harvest in many parts of south and southeastern South Dakota this year, farmers were faced with difficult decisions. Wet, unfrozen ground in many areas and high grain moisture forced many farmers had to make a decision: harvest the wet grain, or let it stand in the field.

tall trees in the Black Hills

Tree Pest Alert

From seasonal issues and timely recommendations to disease diagnosis and expert advice, the Tree Pest Alert is a trusted resource for selecting, planting and caring for trees and shrubs all year round.

Aug 14

Dakota Sunflower StoryWalk

SDSU Extension will host a StoryWalk during the Fort Thompson Annual Wacipi, August 14-16, from 8:00 a.m.-5:00 p.m. each day at the Fort Thompson Powwow Grounds.

Family jogging together on a rural exercise trail.

Physical Activity

Everyone can benefit from moving their bodies more throughout each day, and all types of activity count towards your daily goal.

Little black bugs on a yellow flower

SDSU Extension experts win national agricultural association awards

July 30, 2026

South Dakota State University Extension experts were recognized nationally for their excellence in outreach and Extension programming.

A field of green winter wheat.

Winter Wheat Variety Trial Results

The Winter Wheat Variety Trial Results are crop performance testing data from various locations across South Dakota.

Brown weevil adult with dark band down center of its body.

Alfalfa Weevil

Factsheet on Alfala Weevil identification, lifecycle, damage, scouting and management.