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Sept 30th General FHA Meeting - Election Campaign / Nominee's
Oct 5th  Animal / Security Fundraiser - Pet Blessing / Micro Chip at St Francis Park
October 24th-Sunday  Senior Social
 Mindy and Bill Forester’s
 Oct 30th, Saturday Fall Fest
  Nov – TBD - FHA Fun Run / Walk - Beautification fund raiser
Dec. 5th, Saturday – Forest Hills Holiday Lights Celebration
More Information Coming Soon

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Drought and Tree Stress

Most roots are shallow, in the upper 12 to 18 inches of the soil, especially the finer roots doing the critical work of taking up water and nutrients. While there are also deeper roots, these mostly provide support and stability to the tree. The root system of a tree may extend outward 2 to 3 times the width of the branches.

Stress symptoms range from leaf burn, a thinning canopy, limbs dying, to death of the tree. Some of the most common causes of stress in trees are:

* Drought or insufficient water: This is the most obvious cause of stress in trees. It is aggravated by summer heat. Large established trees can tolerate short periods of drought, but young or newly planted trees frequently show significant signs of stress. Recurring summer droughts can severely impact even old, long established trees.

Often folks will say, "My trees shouldn't look like this. I water them." Consider this example. A 7-year-old pecan tree in a well-drained soil needs (takes up) about 225 gallons of water a week in July and August to maintain its vigor and health. Just think of how much more a 70-year-old tree with a much greater root system might need!
Water that is adequate for lawn grasses is not sufficient for actively growing trees. During periods of drought, occasionally supplement with deep watering at the drip line (the ends of the branches) of trees, not near the trunk.

* Excess water: Just as not enough water can injure tree roots, so can too much water. Tree roots require oxygen to function properly. This oxygen is forced out of the root zone when the soil is saturated with water. Tree roots in waterlogged soils stop growing, minerals are not absorbed, leaves then turn yellow and remain small, and finally roots begin to die. It can take a long time for a root system that has been seriously injured to regenerate.

* Heat: High temperatures cause trees to pump more water. As temperatures approach 100 degrees, water loss (transpiration) by some trees can equal or exceed the ability of the roots to supply water, even when soil is adequately moist.

* Stress-related pests. Trees under stress are more prone to pests such as borers and some root and canker diseases.

Excerpt from Texas AgriLife Extension Service - Texas A&M System

 

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Contributions by residents made to the neighborhood association provide the funds to continue upkeep within our neighborhood and contributions by residents to our Forest Hills Security Program provide extra police protection and security.

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Steve Houser
Official Arborist for our Forest  Hills Neighborhood

Office: 972-442-1524 
Fax: 972-429-0012

For information on Steve:
Profile & Dallas Morning News Article

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Forest Hills Association
P.O. Box 180897
Dallas, TX 75218

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