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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.

High tunnel covered with shade cloth with larkspurs growing in it.

Heat and Drought Effects on Cut Flower Production

Climate factors, such as drought and high temperatures, continue to pose serious challenges for specialty crop production, including cut flowers. With these challenges, farms need to take a hard look at both their business strategies and production decisions.

Bright green, smooth Hosta leaves, and ferny foliage with bright red peony flowers in a garden.

Garden and Yard Newsletter Archive

View an archive of the articles featured in the Garden and Yard Newsletter.

Sunflower moth, banded sunflower moth, and sunflower maggot adult.

Sunflower Pest Recap

During 2026, we will be producing a new weekly update on sunflower insect pest activity. This information will be attained via a sampling network of eight locations that are in central South Dakota.

Dying patch of soybeans in an otherwise healthy field.

Scout Soybean in Drought-Affected Fields for Twospotted Spider Mites

One of the pests that typically shows up during drought conditions is the twospotted spider mite (Tetranychus urticae). Infestations of this pest were recently confirmed in Eastern South Dakota soybean and corn.

A group of people stands in a pasture being taught plant identification

SDSU Extension co-hosts successful 9th annual Rosebud Range Workshop

August 07, 2026

The ninth annual Rosebud Range Workshop was held on July 15, 2026, at the Rosebud Sioux Tribal Ranch, and event organizers lauded it as a successful and productive event.

Green stem that is covered in light green colored aphids.

Economically Damaging Soybean Aphid Populations Detected

Soybean aphid populations continue to grow in South Dakota. This week, counts near Volga ranged from approximately 280-700 aphids per plant. Observations of these populations indicate that they are healthy and will continue to increase.

4-H, Shooting Sports, Muzzleloading gun, Adolescent girl shoting a muzzleloading gun while 2 adolescent males watch

State Shooting Sports

View important dates, updates, results and resources for state shooting sports events.