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Home Horticulture Resources for Gardeners

Horticulture is the branch of plant agriculture dealing with garden crops. In addition to our website, there are many horticulture resources available on the web to provide research-based information to help every gardener succeed.

Freshly harvested sweet potatoes on display at an outdoor market.

Sweet Potatoes: How to Grow It

Sweet potatoes are native to Central and South America, and their tasty orange flesh is a dietary staple in warm climates. Learn some expert tips for planting, growing, and harvesting them in this resource!

Two white flowers with green leaves. The first flower has an abnormal fused bloom.

Fasciation: What’s going on with my plant?

Fasciation is a malformation of plant parts commonly manifested as enlargement, flattening or cojoining. The abnormal growth of plants can be uniquely puzzling and beautiful at the same time.

Floating row covers set up over rows of specialty crops.

Season Extension for Fall Specialty Crops

Extending crop production into the fall allows growers to take advantage of cooler temperatures and enjoy fresh, cool-season vegetables later in the year.

West Nile Virus Update: September 3, 2025

As of August, the South Dakota Department of Health indicated that West Nile Virus positive mosquito pools have been detected in Beadle, Brookings, Brown, Codington, Hughes, Lincoln, and Minnehaha counties.

Left Mosquito specimen with dark coloration. Right: Mosquito specimen with white band on its proboscis.

Mosquitos to Watch for in South Dakota

After many areas in South Dakota experienced heavy rainfalls, mosquitos are now a major issue. Learn which species are most common throughout the state and which carry the highest risk for West Nile Virus.

Aster Yellows Phytoplasma

Aster yellows is a phytoplasmal disease carried and introduced by aster leafhopper. It is known to infect over 80 different plant families, as the aster leafhopper has extremely broad feeding habits.

A green field bindweed with a white flower at top.

In a Bind With Field Bindweed?

It’s August and field bindweed, one of our most-persistent perennial weeds, is flowering. Although field bindweed is not statewide noxious, it’s locally noxious in Bennett, Bon Homme, Clarke, Lake, Stanley, and Yankton counties.

Monarch butterfly visiting a blanket flower near a backyard garden.

Backyard Natural Resources Webinar Series

Learn how to support healthy ecosystems in your backyard and beyond in this webinar series.

Left: Blade of sweetgrass. Right: Patch of white sagebrush.

Sweetgrass and White Sagebrush: Native Plants with Medicinal Uses

Many native prairie plants have been used medicinally for generations by the Indigenous peoples of the Northern Great Plains. Sweetgrass and white sagebrush are hardy perennials that have a variety of uses and deep historical significance.