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Trees

All Trees Content

tall trees in the Black Hills

Tree Pest Alert

From seasonal issues and timely recommendations to disease diagnosis and expert advice, the Tree Pest Alert is a trusted resource for selecting, planting and caring for trees and shrubs all year round.

a prescribed burning taking place in a field

Fall Fire Safety

The moisture and cooler temperatures of fall make it easy to become lax about fire danger, however, conditions can still lead to easy ignition and rapid growth of wildfires.

tall trees in the Black Hills

Trees & Shrubs

The United States is the world’s leading producer and consumer of forest products and accounts for about one-fourth of the world’s production and consumption.

Green and brown grasshopper with two yellow lines that originate on the head and meet on the abdomen.

Grasshoppers in Gardens

Due to large populations and dry conditions, grasshoppers are moving into gardens and feeding on whatever they can find. In a normal year, grasshoppers can be a nuisance in a garden, but during an outbreak year, they can present a real threat to gardens, shrubs and small trees.

Group of local foods education center staff inside high tunnel.

SDSU to Host Home and Market Garden Field Day

August 24, 2021

The Home and Market Garden Field Day will be held from to 5 to 7 p.m. CDT at the center, located at 1600 Medary Ave. in Brookings.

Three woody plants. From left: Ponderosa pine tree, chokecherry bush and greasewood.

Poisonous Plants on Rangelands: Woody Species

Several woody plant species that are poisonous to livestock are found throughout South Dakota rangelands, including ponderosa pine, chokecherry, greasewood and broom snakeweed.

Rangeland covered with dense thickets of maturing cedar trees.

Cedar Trees and Rangeland Loss

The issue of cedar tree invasion into South Dakota’s rangelands tends to be a regional conversation. There is generally broad agreement among most resource professionals that these trees are in fact changing our landscape in a negative way.

Color-coded map illustrating South Dakota’s plant hardiness zones. For more information, visit the U.S. Department of Agriculture Plant Hardiness Zone website: https://planthardiness.ars.usda.gov/PHZMWeb/

Plant Hardiness Zones

Spring is the season for planting new garden and yard landscapes. When selecting perennial varieties that will survive winters in South Dakota, use the U.S. Department of Agriculture Plant Hardiness Zones to identify the best candidates for your landscape.

Two dandelions side by side. The left has a bee foraging on it. The right has a hover fly foraging on it..

Should I Get Rid Of My Dandelions?

While there is much appeal to having a lawn that is free of other plants, there can be benefits to having some early-season diversity. Some weeds that are sprayed out of lawns, including dandelions, can serve as early-season food sources for pollinators.

a grub on a tree branch that has the bark pealed off

Sioux Falls to Host Emerald Ash Borer Tree Injection Workshop

April 21, 2021

As the season for emerald ash borer treatments nears in South Dakota, state forestry experts want applicators in the Sioux Falls area to be prepared.