All trees are sensitive to root disturbance. Examples include construction, landscaping, sprinkler installation, and grade changes. The effects of these changes on preexisting trees can be quite devastating and can take five to ten years to become fully visible.
Click here for a general overview of the factors that influence how deep tree roots grow. Or, continue reading below to dig in to the science a bit deeper. The graphic above sorry for the poor quality!
Because it is not visible like the treetop, a tree's root system is not given the appreciation it warrants. This configuration of underground tentacles is the source of health or illness for the tree, and when winds buffet the tree, it serves as an anchor. The root system of a mature oak tree can total hundreds of miles.
Although much of our oak research is occurring aboveground, we are also interested in what happens below ground because understanding the morphology size and distribution of oak roots may help us understand tree responses to environmental factors or to management activities. For example:. We conducted a study in to document the root morphology of Oregon white oak growing on the rocky soils common in the south Puget Sound area our oak were growing on the Spanaway series. Most of the oaks had a central taproot, but the size, taper, and orientation of the taproot varied widely among trees.
The roots of this oak tree left are certain to be found in the neighboring property right. Some facts from the 4 th edition of Arboriculture Richard Harris, James Clark and Nelda Matheny can make it easier to predict where roots might be:. However, roots can always surprise you, and direct inspection is always required to be sure where roots are.
Subscribe to the "The Sapling" on the Davey Blog for the latest tips to keep your outdoor space in tip-top shape throughout the year. Roots stretch far and wide to give our trees a stable foundation. Read on to learn if you can prune above-ground tree roots, how many tree roots you can cut at once and how to safely prune tree roots at the best time.
See List of Quercus species. There are approximately extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus stone oaksas well as in those of unrelated species such as Grevillea robusta silky oaks and the Casuarinaceae she-oaks.
Protecting the roots of the oak tree will prevent yellowing leaves and dying limbs. All of the landscaping trees and shrubs with oak in their name are part of the Quercus family, and the various species can live in U. Department of Agriculture plant hardiness zones 3 through
If you have large-growing trees in your yard, you might find yourself having to deal with surface roots. Surface roots are problematic because they make lawn maintenance challenging underneath shade trees. Additionally, large tree roots become a trip hazard.
Roots are rarely exposed so misconceptions about how they grow and function can influence tree managers into bad decision making. You can grow a healthier tree if you understand its root system. Most trees do not have tap roots after the seedling stage. They quickly produce water-seeking lateral and feeder roots.