Skip to main content

Search

Numerous small black beetles feeding on a green leaf.

Flea Beetles Already Active In Gardens

It may seem early, but flea beetles are already active in gardens in South Dakota. Adult beetles feed on leaves and stems, and their feeding will leave behind a multitude of small, irregular holes or pits.

A grub that has an orange colored head and legs and a white body with a dark grey tip at the end. The grub is laying on top of the soil.

Do You Have Grubs in Your Lawn?

We’ve had quite a few calls about dead patches in lawns this spring, which could be a sign of grub activity. If areas of your lawn are not greening up or appear to be dying, it is important to scout to determine if grubs are present.

a woman and a man checking a wheat field

SDSU Extension to host Wheat Walks in June

May 13, 2021

The 2021 Wheat Walks are slated for June 2 and 3 and will be held near Pierre, Clark and Mount Vernon.

A picture of a lawn showing a ring of dark green grass in the middle of the lawn due to fungi in the soil.

Fairy Rings in Lawns

Seeing greener grass in circular pattern in your lawn? This is not due to uneven fertilizer application, but rather due to a fungi feeding on decomposing matter and releasing nitrogen in the affected areas.

Wheat tillers with lower leaves covered with tan-brown lesions. The ground beneath has wheat stubble from previous wheat crop.

Scout for Tan Spot in Winter Wheat

Tan spot was observed in a few winter wheat fields scouted recently. It is important to scout winter wheat for tan spot and other early diseases developing before deciding to apply an early-season fungicide tank mixed with herbicide.

Young corn seedlings emerging from a spring field.

Watch Closely for Weed Emergence

Cool, dry conditions have slowed weed emergence and growth, but dry conditions also have limited the activation of preemergent chemicals. Given this scenario, fields need to be scouted closely to ensure that weeds do not get away.

Series of trophies on display at a 4-H contest.

South Dakota 4-H Awards 2021 Scholarships

July 28, 2021

South Dakota State University (SDSU) Extension and South Dakota 4-H are proud to announce the 2021 State 4-H Scholarship recipients.

White butterfly with black markings on wings, resting on a green leaf.

Cabbage White Butterflies Are Here!

Keep an eye out for cabbage white butterflies in your garden. These butterflies lay eggs on the underside of the vegetable leaves. Once the eggs hatch, their caterpillars feed on cabbage, broccoli, Brussel sprouts, cauliflower, kale, turnips and radishes.

Yellow wireworm on an orange sweet potato.

Wireworms in the Garden

With warming soil temperatures, overwintering wireworms have become active throughout South Dakota. Wireworms are soil-dwelling insects that can be pests of germinating seeds, seedlings and root crops.

Vast, rolling rangeland near the Black Hills of South Dakota.

'Good, Bad and Invasive Plant Tour' set for June 3

May 28, 2021

This year's tour will take place on June 3 from 9 a.m. to 3 p.m. (CST) at Sica Hollow State Park near Sisseton.