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Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 15, 2023

During the last week, the entire state reached enough degree days to have active alfalfa larvae. In areas with the highest accumulation of degree days, alfalfa should be scouted to ensure that alfalfa weevils don’t cause extensive defoliation.

A monarch butterfly alights near a purple flower with trees, grass and a blue sky in the background

SDSU Extension, McCrory Gardens to host 2023 Garden Discovery Festival

May 15, 2023

SDSU Extension and McCrory Gardens are kicking off their summer programming with the 2023 Garden Discovery Festival from 1 to 5 p.m. CST on May 21 at McCrory Gardens in Brookings, South Dakota.

small brown spotted mites

Check Your Houseplants for Pests

Houseplants are susceptible to a variety of pests. The following article outlines some of the more common household pests, including: spider mites, mealybugs, and scale. We will discuss strategies for scouting out and managing these pests to avoid prolonged damage to your houseplants.

Raised bed garden container.

Using Compost in Raised Beds and Containers

Compost is often mixed with soil to create a more-fertile growing media, as well as to increase the ability of the soil to hold both air and water. Learn some expert tips for using it in raised beds!

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 19, 2023

Forecasted weather conditions are ideal for alfalfa weevil activity, and early detection of feeding activity will prevent extensive defoliation.

Tractor applying preemergence herbicide on a freshly planted field.

Considerations for Preemergence Herbicides

Weeds emerging with crop plants have the potential to reduce yields. Learn some tips for applying preemergence herbicides to control weeds before emergence to ensure that your yields aren't limited by early-season weeds.

Rows of vegetable plants in a high tunnel

SDSU Extension to host High Tunnel Field Day featuring Webster-area farmers

June 25, 2024

SDSU Extension is hosting a High Tunnel Field Day from 4 p.m. to 7 p.m. CST June 5 at Waldner Farms, 522 E. First Ave., Webster, South Dakota.

three separate images of green plants

How to Prevent Iron Deficiency in Spring Greenhouse Plants

At this time in the growing season, Iron (Fe) deficiency symptoms are appearing among bedding plants and other spring greenhouse plants. The main symptom of Iron (Fe) deficiency is Chlorosis or yellowing, usually starting at the shoot tip and newly developed leaves.

Purple-brown caterpillar with orange head on a green corn leaf.

Common Stalk Borer Activity Estimate: May 25, 2023

Common stalk borer caterpillars are a frequent early-season pest of corn, and their hatching and movement can be estimated by using degree days. See our latest scouting and management recommendations based on observations from around the state.

Green beetle larvae with a white stripe running down its body.

Alfalfa Weevil Activity Prediction Update: May 25, 2023

Last week we confirmed both alfalfa weevil adult and larval activity in alfalfa. Scouting should continue, as the forecasted warm weather will promote alfalfa weevil larvae feeding.