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sprouters invading landscape rock #751335

Asked May 21, 2021, 3:33 PM EDT

A somewhat shaded "alley" of landscape rock perhaps 7-8' in width runs along my property for ~40'. It is flanked by my house on one side and a fence on the other. My neighbor's property and the suspected culprit tree is on the other side of the fence. When I pull up a shoot, its roots travel back toward the fence, they are not black, and they are extremely difficult to pull unless only 3-5 inches tall. My problems: 1. I don't know the identity of this nuisance plant. 2. I'm wondering how to safely eradicate it. Young children occasionally play or pass through the area and there is a screen porch alongside at one point so I want to be thoughtful regarding herbicides. 3. I would like to stop new shoots from developing. 4. I have digital photos of the tree I suspect and a branch and the alleyway under attack, but (my apologies) I was not able to attach them using the file upload option offered. If I could send an ordinary email to you with this information above and the photos attached, I'd be glad to do so, but I need the email address of course. Any assistance you might provide would be greatly appreciated! Thanks, Bryce

Hennepin County Minnesota

Expert Response

Hello,

Attached are the photos I was unable to send with my original email above.

Thanks again,
Bryce

On Fri, May 21, 2021 at 2:33 PM Ask Extension <<personal data hidden>> wrote:

Dear Bryce,

Thank you for using Ask Extension. A request for support has been created and a representative will follow-up with you as soon as possible. You can view this question's progress online.

YOUR QUESTION #0021266:

sprouters invading landscape rock

A somewhat shaded "alley" of landscape rock perhaps 7-8' in width runs along my property for ~40'. It is flanked by my house on one side and a fence on the other. My neighbor's property and the suspected culprit tree is on the other side of the fence. When I pull up a shoot, its roots travel back toward the fence, they are not black, and they are extremely difficult to pull unless only 3-5 inches tall. My problems: 1. I don't know the identity of this nuisance plant. 2. I'm wondering how to safely eradicate it. Young children occasionally play or pass through the area and there is a screen porch alongside at one point so I want to be thoughtful regarding herbicides. 3. I would like to stop new shoots from developing. 4. I have digital photos of the tree I suspect and a branch and the alleyway under attack, but (my apologies) I was not able to attach them using the file upload option offered. If I could send an ordinary email to you with this information above and the photos attached, I'd be glad to do so, but I need the email address of course. Any assistance you might provide would be greatly appreciated! Thanks, Bryce

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The Question Asker Replied May 21, 2021, 4:09 PM EDT

The seedlings in your photo are from your neighbor's tree. I am unable to identify what type of tree it is. The least invasive method of removal is to hand pull them all out. You could use chemical methods conservatively by cutting each seedling down to the ground and painting (with brush or rag) with glyphosate. If you choose chemical means you could put a rope or other barrier up for a couple of days so kids don't run through. 

Amy J. Extension Master Gardener - HC Replied May 26, 2021, 10:53 PM EDT

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