Ask a Question forum: Containing brambles by underground means

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Name: Alex Junge
MN st paul, (Zone 4a)
Feb 28, 2016 8:05 PM CST
I was wondering is there a thing you can bury in the ground to stop adventuresome canes from popping up into lawn

If so how deep does the barrier need to be we have a wood plank in the ground but it's old and only goes a halffoot or so
Name: Cheryl
Kingwood, Texas (Zone 9a)
Region: Texas Greenhouse Composter Plant Identifier Plant Lover: Loves 'em all! Amaryllis
Plumerias Ponds Foliage Fan Enjoys or suffers hot summers Tropicals Garden Ideas: Master Level
Feb 28, 2016 10:08 PM CST
The only underground barriers I am familiar with are metal sheets buried 2 feet into the ground to prevent bamboo from spreading. If that keeps invasive bamboo out, I am sure it would keep most other things from invading spaces, too.
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Name: Rick R.
near Minneapolis, MN zone 4a
I was one of the first 300 contributors to the plant database! Garden Sages The WITWIT Badge Garden Photography Region: Minnesota Plant Identifier
Feb 29, 2016 2:34 PM CST
If you have clay based soil, a 12 inch deep (below the soil line) barrier is sufficient. If your soil is sandy, you might need to go 18 inches. Roof flashing is a relatively cheap (and permanent) material to use.

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