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Lawns, Gardens & Trees

Two Needle Diseases of Spruce in ND

The Old and the New: Two Needle Diseases of Spruce in North Dakota - F1680

Spruce (Picea spp.) is commonly planted in urban and rural landscapes in North Dakota and frequently suffers from needle loss. In general, healthy spruce retain four or more age classes of needles. Premature needle loss of spruce is the result of a variety of causes: improper planting, environmental stress, insect pests and disease. Rhizosphaera needle cast and stigmina needle cast are two of the most common diseases associated with spruce needle loss in North Dakota.

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Spotted Wing Drosophila in ND

Integrated Pest Management of Spotted Wing Drosophila in North Dakota - E1715

The spotted wing Drosophila (SWD), Drosophila suzukii, is a small vinegar fly that was first confirmed in ND in 2013 as an invasive pest of fruits (raspberries, tart cherries, strawberries). The SWD lays its eggs in healthy, ripening fruits. Then, larvae hatch from eggs and feed on the fruit causing spoilage. Identification, life cycle, damage and pest management strategies of SWD are discussed.

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Lawn and Garden Soil

Evaluating, Preparing and Amending Lawn and Garden Soil - H1325

One of the biggest steps to establishing and growing turf, vegetables, ornamentals or flowers successfully is understanding the soil that provides their physical support and supplies them with water and nutrients.

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Ash Tree Identification

Ash Tree Indentification - F1633

Ash trees (in the genus Fraxinus) are susceptible to attack by the emerald ash borer (EAB), a non-native insect. The first step in determining if a tree has been infested with EAB is to make certain that it is an ash tree.

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Gardening Delights for All

Gardening Delights for All: Nontraditional, Money-saving, Sustainable Gardening - H1600

Gardening is for everyone: the young, old and everyone in between. In this publication, we are encouraging more "convenient" gardening, such as raised bed, container and square foot styles, for several reasons.

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Dutch Elm Disease in ND

Dutch Elm Disease in North Dakota: A New Look - PP1635

Dutch elm disease (DED) has been spreading across North America since the 1920s. It first was reported in North Dakota in Mandan in 1969, and it reached eastern North Dakota by 1973. DED has been confirmed in every North Dakota county.

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Emerald Ash Borer

Emerald Ash Borer Biology and Integrated Pest Management in North Dakota - E1634

This publication summarizes the threat of invasive metallic wood-boring beetle, emerald ash borer, to ND's ash trees. It's identification, biology, damage and pest management strategies including cultural, plant resistance, biological control and chemical control are discussed. If you suspect that your ash tree is infested with emerald ash borer, it also tells you what to do.

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Potatoes...from garden to table

Potatoes...from garden to table - FN630

Home-grown potatoes, or those purchased at a farmers market or other venues, are a nutritious part of a healthy diet from early July until the following spring in northern areas.

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Houseplants: Their Selection, Care and Impact on Our Lives

Houseplants: Their Selection, Care and Impact on Our Lives - H1260

Houseplants have been a documented part of human existence since the days of the Egyptian Pharaohs. Nature did not create houseplants; humanity did. We have taken plants that were thriving in nature and brought them indoors to be a part of our lives, with widely varying degrees of success. The main challenges of growing plants indoors were low humidity, drafty construction, poor or no centralized heating, and poor light conditions.

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