Dogwood Trees

Tree Sucker Roots

Anonymous added on May 9, 2011 | Answered

I have sucker roots that come up through the ground at the base of Flowering Crab, dogwood and maple trees. When I cut them off flush with the ground with pruning shears, they just seem to multiply and more of them come back. How do I get rid of them permanently?

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Certified GKH Gardening Expert
Answered on May 9, 2011

This article should help:

Undiluted Round-up will help kill the roots. You will need to wound the roots (normally, people cut the suckers down and use those wounds) and then paint the undiluted Round-up on the wounds. The bigger or more wounds you paint, the better.The roots will suck the Round-up in and it will kill them. You may have to repeat the process a few times to fully kill the roots if the root system is still strong.

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