Content by Philip Rozeboom
Now is the Time to Plan for Noxious Weed Control in 2026
Most of South Dakota experienced first frosts that were delayed by at least one month, allowing for noxious weed growth to continue later in the season. Now is the time to plan for noxious weed management tactics.
Now is the Time to Prepare Your Weed Management Plan for the 2026 Growing Season
As harvest season comes to an end, now is the time to start formulating your weed management plan for next year. Learn some expert tips for getting your operation off to a good start this coming growing season.
Dectes Stem Borer in South Dakota Sunflowers
Factsheet covering Dectes stem borer in sunflowers.
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.
Perennial Weed Control in Lawns and Turf With Fall Herbicide Applications
Early fall is great time to control perennial weeds in lawns, including Wild violet, Creeping Bellflower, Ground Ivy, and Canada Thistle. Learn some expert tips selecting the right herbicides to manage these difficult-to-control weeds this fall.
Yellowjackets: Swarming decaying produce or garbage near you
Fall is here, and if you have a garden, fruit trees, or outdoor dumpsters, you are likely to encounter yellowjackets in search of food. Learn some expert tips to avoid getting stung this fall.
West Nile Virus Update: September 26, 2025
As of September 26, 2025, the South Dakota Department of Health (SD DOH) reported 74 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, Union, Walworth, and Yankton counties.
Insects Are Being a Nuisance This Fall
The weather is changing, and many of us are noticing an uptick in the nuisance bites caused by several insects. The continued warm weather is going to increase the activity of all insects, including the ones that are causing us displeasure.
Yellow Toadflax Has Begun Producing Seeds: Scout before treating infested areas
Yellow toadflax is a perennial weed that infests pasture and rangeland across South Dakota. This year, with an abundance of heat and moisture, plants flowered in early August and now have started to produce seeds.
Required Licensing For Applying Pesticide Using Spray Drones
Fact sheet for South Dakota stakeholders wanting to get certified to apply pesticides with a spray drone.