06-05-2012 03:29 PM
How to kill tree roots in yard
My neighbor planted Assue trees(?) and the roots have spread into my yard like wildfire and it has killed my lawn and damaging my sprinkler system.
I have spent weeks digging up the roots and NEED to know how to stop this from happening again. It's like an Aspen tree that grows root all over the place along with tons of suckers sprouting.
I tried Round-Up and that hasn't done a thing. Rock salt ?
Please advise since I'm a big Home Depot customer and this is ruining my lawn and my neighbor will not cut his trees down.
Welcome to our community. Thank you for our question. Rock Salt will just poison the ground and nothing will grow if you do that. You are right, Round Up will not work to kill roots from trees unless it is sprayed on top and onto the leaves of the sucker coming out of the ground. You must be very careful using this method since Round Up is a non-selective Herbicide and will kill anything green. There has been some reported success using Ortho's Weed B Gone on the saplings just coming out of the ground. A regular application of a Weed N Feed will also provide you with some success in your battle against the traveling root system of the Aspen. Once this has been accomplished and to keep the roots from coming back into your yard up onto the surface, it will be necessary to regularly apply the Weed B Gone and the Weed N Feed to keep the suckers at bay.
I had two Cotton wood trees (A close relative of the Aspen) in my yard, 70-80 feet tall. I was amazed at how far the root system would travel!! Aspen Tree Roots Since the root system can travel rather deep, 6 feet plus, it would be labor intensive to dig a retaining wall deep enough to keep the roots of your neighbors Aspen tree out of your yard. Your best course of action would be to very carefully use the Round Up for Brush & Poison Ivy. This blend is designed to penetrate the woody stem. This is a non-selective herbicide and it will kill any part of your grass that it comes into contact with. I think using the Weed B Gone will be a safer bet!
When using the Weed N Feed, be sure to use a drop spreader. This will ensure good coverage of the sapling as it starts to grow. Be sure that the lawn is damp to the touch when using the Weed N Feed. For best results, use a drop spreader. This type of spreader drops the fertilizer/weed killing granules about 2-3 inches above the ground. Do not water for at least 24 up to 48 hours after application to get maximum absorption of the weed killing properties of your Weed N Feed.
Let me know if you have any more questions about getting rid of those pesky roots and suckers.
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