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Did you know that Northbrook is currently in a drought? During drought times, when we receive less than the average rainfall for that year, we urge you to water your trees and shrubs to help them survive. They are your most valuable landscape asset!
These landscape plants may not appear to suffer because they still look green, but as the subsoils dry out, their roots begin to shrivel and die; and ultimately the tree or shrub will go into survival mode. It may shed its leaves early and not be able to set winter buds. This lack of water will cause the tree to move into a decline spiral, ultimately causing early death or an onset disease, such as an insect infestation or decay.
Rule of thumb for watering your trees and shrubs: If we haven’t had an inch of rain in any week, water your trees at least once a week with 20 gallons or more of water.
You will know when the drought has broken when you check in with your weather forecaster to hear that we are receiving regular rain. If it’s just a small amount, you may still need to water. The following websites will help you gauge when it’s safe to stop watering your trees and shrubs weekly:
For more information, feel free to contact Northbrook Public Works at 847/272-4711 and ask for Terry or Mark.