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Trees

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tall trees in the Black Hills

Tree Issue Treatments

Publications of the most commonly available in pesticides for use in South Dakota for Turf & Ornamentals.

Winter-frosted ponderosa pine tree.

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.

fruit and vegetable garden with raised beds

Fire Blight

Fire blight is a disease that can infect apples, pears, and certain ornamental species including crabapples, cotoneaster, and mountain ash. Occasionally it may also appear on cherries, plums, Juneberry (also called Serviceberry or Saskatoon), and raspberry. This disease, caused by the bacteria Erwinia amylovora, can damage blossoms, fruit, leaves, shoots, and branches. If it is not controlled, fire blight may kill the entire tree or shrub. Infected tissue cannot be cured, but will need to be removed from the tree to prevent further spread.

tall trees in the Black Hills

Junior Arborist Activity Guide

The Junior Arborist Activity Guide provides objectives, content, equipment and supplies needed to complete 8 modules of arboriculture instruction, helping schools and other educational programs to create a youth arboriculture program of their own.

Adult female emerald ash borer

Emerald Ash Borer Insecticide Treatment Options

Fact sheet about insecticide treatment options for protecting ash trees against emerald ash borer.

tall trees in the Black Hills

How to Identify an Ash Tree Infested by Emerald Ash Borer

This guide will help you determine whether an ash tree may be infested by the emerald ash borer.

a shrub-like plant green leaves and dark purple, grape-like fruit

Fruit Variety: 2019 Recommendations for South Dakota

The varieties listed in this publication were selected on the basis of general availability to the consumer and upon their known reliability, including disease resistance, for general growing conditions in South Dakota.

Black, yellow, and brown wasp in a clear container

Huge Wasps on My Tree! No, Those Still Aren’t Murder Hornets.

Another insect that has been mistaken for the Asian giant hornet (also known by its media-popularized name of ‘murder hornet’) is the horntail wasp. Horntail wasps are wood-boring insects that are harmless to humans, as they do not have venom and cannot sting.

A color-coded map of the United States indicating precipitation outlook for June 2019.

June 2019 Climate Outlook for South Dakota

As South Dakota emerges from the wettest 12-month period in 124 years of climate recordkeeping (June 2018-May 2019), June has started warmer and drier than average. The outlook, however, turns towards cooler and wetter than average again for the middle of the month.

Color-coded map of the United States indicating predicted precipitation for July 2019. South Dakota is set to experience above normal precipitation.

July 2019 Climate Outlook: Challenges Continue

This year’s seasonal pattern of wetter than average conditions is projected to continue through July and the rest of the summer season. The latest climate outlook, released June 20, 2019, shows an increased chance of wetter than average conditions in the next one to three months for the state of South Dakota.