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Nostoc in Lawns

Nostoc is a genus of cyanobacteria that form colonies in gelatinous masses. In South Dakota, it commonly appears in home lawns, notably in patches where grass is not growing, especially after periods of rain.

West Nile Virus Update: October 16, 2025

As of October 16, 2025, the South Dakota Department of Health reported 86 human cases of West Nile virus from Aurora, Beadle, Bon Homme, Brookings, Brown, Charles Mix, Clay, Codington, Corson, Douglas, Grant, Gregory, Haakon, Hamlin, Hand, Hughes, Hutchison, Hyde, Lawrence, Lincoln, Marshall, Meade, Miner, Minnehaha, Pennington, Roberts, Sanborn, Spink, Stanley, Todd, Union, Walworth, and Yankton counties.

Keyhole Gardens

Keyhole gardens combine composting, water conservation, and space efficient planting in a single raised bed design. They give gardeners a practical way to produce vegetables, herbs, and flowers when space, soil, or water would otherwise be limited.

Black Rot of Brassica Crops

Black rot is an uncommon, but devastating bacterial disease in South Dakota that can develop during extended periods of hot and wet weather, leading to rapid and widespread crop loss.

Private Applicator Training for Pesticides

Private applicator certification is required before an agricultural producer can purchase or use a restricted use pesticide.

SDSU Extension to host ag cybersecurity workshop

November 03, 2025

South Dakota State University Extension will host an agriculture cybersecurity workshop and public seminar to highlight results from three collaborative research projects between SDSU and Dakota State University.

Commercial Applicator Training for Pesticides

Those who apply pesticides for hire or as a government employee that applies pesticides while performing work duties, must have a commercial applicator license.