Jerry,

This has been the driest summer since 1999 and with the forecast for the rest of the summer it could be worst in several decades. We are providing these tips to help keep yuir plants healthy during this time of stress. Stress related damage to shrubs and trees does not necessarily show up right away. Stressed plants can also fail victim to winter damage, Watering now is important for the future health of plants.

DROUGHT CARE FOR TREE AND SHRUB

Caring for Treesand Shrubs in a Dry Climate

Watering newly planted trees

These articles from the University of Colorado covers all aspects of care during droughts for trees and small shrubs.
 

OTHER DROUGHT RELATED WEBSITES

The National Drought Mitigation Center provides information to help people and institutions reduce vulnerability to drought, stressing prevention and risk

Click here for more info

US Seasonal Drought Outlook