Fact Sheets - Landscape & Ornamental Diseases
For more landscape and ornamental disease information reference the Ornamental Pests of Utah Guide
Aspens are one of the more popular forest trees in the Intermountain West. In an attempt to enjoy these beautiful trees around the home environment, many well-intentioned homeowners purchase or otherwise acquire aspens and transplant them into their landscapes.
Coryneum blight, also called shothole blight, is a fungal disease of stone fruit trees including peach, nectarine, apricot, cherry, and almond (ornamental as well as nut-bearing); however, the most commonly affected are apricot, peach, and nectarine.
Dothistroma needle blight is a fungal disease that occurs on a variety of coniferous trees. It is also known as "red band disease" in the western United States because of the distinct red banding symptoms that are produced.
Spruces tend to prefer abundant moisture and may not do well on droughty sites. Water stress caused by too little soil moisture or too much heat can predispose spruces to insect attack
Thousand cankers disease is caused by the fungus Geosmithia morbida. It is transmitted by the walnut twig beetle (Pityophthorus juglandis). Once symptoms are visible, trees can die within 2 to 3 years.