Planting a tree? A hole dug too deep is a sure way to kill a tree Winter and Spring seasons are prime planting season in most areas of the country. Too often, however, consumers waste hundreds of dollars on trees that will die because they were planted too deep. “Proper planting is absolutely essential in […]
Tree Planting Tips – Please Don’t Bury Me Read More »
Humans aren’t the only ones to be affected by ozone alerts in various parts of the country. Many of the most commonly planted trees in the nation’s urban forest also suffer during high levels of ozone pollution. Ozone is the result of a chemical reaction that converts car exhaust into ozone in the presence of
Ozone Danger to Trees Read More »
If you have ever escaped from blazing hot sun in a shady spot under a tree, you know how these natural air conditioners can make you feel more comfortable. In fact, trees in a parking lot can reduce air temperatures by up to 25 degrees than on nearby blacktop. But beyond comfort, planting trees around
Nature’s Air Conditioners Read More »
The authors are John E. Dibble, Entomologist Emeritus, U.C. Kearny Agricultural Center, and Richard L Coviello, Farm Advisor, Fresno County Dormant sprays allow: a wide period of time for application; a broad range of useable materials; maximum unobstructed spray coverage; multiple pest targets; and because of minimum risk of phytotoxicity and beneficial organism disruption, they
Dormant Spraying of Fruit Trees in the Garden Read More »
Deer damage to ornamental plants and trees is progressively a suburban area problem. Deer populations in suburban neighborhoods have grown significantly due to uninhibited farms, tighter hunting restrictions and urban sprawl. Deer are very selective feeders that eat leaves and flowers from shrubs and ornamental trees. Damage to larger trees can be found up to 7
How to Keep Your Landscape Deer Free Read More »
Learn procedures specific to a routine maintenance program for mature tree care, including tree inspection, mulching, fertilization, pruning, and tree removal. Think of tree care as an investment. A healthy tree increases in value with age and pays big dividends by increasing property values, beautifying our surroundings, purifying our air, and saving energy by providing
Winter’s heavy snow and ice, as well as frozen soil conditions, can damage cherished trees and shrubs in suburban landscapes. Even areas without major snowfall experience high winds and huge fluctuations in temperatures during winter. But homeowners can lessen the adverse effects of winter weather with preventive maintenance. What can happen in winter, and how
Winter Stresses on Trees & Shrubs Read More »
Winter storms cause tremendous stress and severe damage to trees in the urban forest. Obviously, a snapped or downed tree should be removed. What about a tree that suffers minor damage? How can a homeowner tell if a tree is safe? Assessing the Damage Minor damage — with only the smallest branches of the tree
Did a Storm Damage Your Tree? Read More »
Exudation of liquid (“bleeding”) from injured trees is caused by pressures within trees that may be localized in different organs depending on species. Most bleeding is caused by root pressure (as in birch and grape), but some is caused by pressure localized in stems (as in maples and palms). Root Pressure Root pressure develops commonly
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Dormant sprays allow: a wide period of time for application; a broad range of useable materials; maximum unobstructed spray coverage; multiple pest targets; and because of minimum risk of phytotoxicity and beneficial organism disruption, they become the most economically sound treatment of the entire season. The properly applied combination of a selected insecticide and spray
Dormant Spraying of Fruit Trees in the Garden Read More »
