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PostPosted: Sat May 19, 2018 2:40 pm 
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I am thinking about transplanting some robusta plants to form a hedge along the fence shown in the picture. I was wondering about the best method of containing the plants on the fence side. If the best method of containment is a commercial rhizome barrier, what specification is needed for a clumping bamboo: depth, thickness of material, etc. Many thanks in advance!


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PostPosted: Sat May 19, 2018 2:54 pm 
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Location: Esparto, CA
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Maybe lay down a row of cement paving stones and cover them with mulch?

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PostPosted: Sat May 19, 2018 4:08 pm 
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iain,

Don't know if you looked through these threads of Cordyman with robusta behavior

viewtopic.php?f=4&t=7469 with pic showing lifting coping stones

viewtopic.php?p=72283#p72283 showing spreading behavior

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PostPosted: Sat May 19, 2018 6:39 pm 
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Thank you for the replies!
needmore wrote:
Maybe lay down a row of cement paving stones and cover them with mulch?

Brad, that would be great, but wouldn't the emerging rhizomes simply lift the slabs or even produce long rhizome necks? In one of the threads wind-borne kindly linked here, rhizomes are lifting a coping stone. The only info I could find on clumping bamboo and barriers was at Kimmei.com, where they suggest a barrier of 30/35 cms (11/13").

I just had to redo after losing the post. Cordyman's image.


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PostPosted: Sat May 19, 2018 9:52 pm 
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Somewhere on forum I believe, Roy Rogers has a post about using concrete pavers to control tropical clumpers, F robusta should be ..less robust, than those so perhaps there is a particular technique?

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PostPosted: Sun May 20, 2018 7:24 am 
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I have found Roy's posts. I see you have pointed other's there "once or twice" in the past.

viewtopic.php?f=4&t=7360&p=71417&hilit=Roy+Rogers#p71417

viewtopic.php?f=11&t=711&hilit=tropical+bamboo+rhizome+control+barrier

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PostPosted: Sun May 20, 2018 2:08 pm 
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Seems like it should work for a Fargesia?

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PostPosted: Sun May 20, 2018 10:20 pm 
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Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
A easy and less expensive alternative may be commercial roofing paper made with various plastics. I used some years ago to control Black bamboo and it's still going strong. I'm behind the power curve re the nomenclature etc but retailers will provide info. My robusta is pretty shallow but I'd sink the paper down 2 1/2 to 3 ft. RGds


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PostPosted: Mon May 21, 2018 1:26 pm 
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needmore wrote:
Seems like it should work for a Fargesia?


I'm not sure. Tarzanus had a spectabilis rhizome lift a slab that was heavier than he could lift.

fredgpops wrote:
A easy and less expensive alternative may be commercial roofing paper made with various plastics. I used some years ago to control Black bamboo and it's still going strong. I'm behind the power curve re the nomenclature etc but retailers will provide info. My robusta is pretty shallow but I'd sink the paper down 2 1/2 to 3 ft. RGds


I would like to know this product. I have looked at a few retailers and the only thing I could find that was feasible from a financial perspective was clear corrugated PVC sheeting, and that stuff becomes brittle under UV. I don't know how it would react in the soil. If it would work.

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Last edited by iain on Sat May 26, 2018 10:46 am, edited 1 time in total.

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PostPosted: Mon May 21, 2018 4:52 pm 
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Location: plus 700ft in the Santa Cruz Mtns, 8 miles from the Pacific 35 miles S. of San Jose
I used the commercial roofing stuff about 10 years ago and don't remember name, etc. It was sold by a roofing supply company and was only sold in a roll. I had a large area to cover and used the whole roll. I don't remember the cost but it seemed reasonable re the size of the project. I compared barrier materials sold by the bamboo guys and it was way cheaper. If your project is relatively small, this may not be cost effective. RGds


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PostPosted: Thu May 24, 2018 3:13 pm 
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Thanks for chiming in. The area I have to cover is only about 10 metres/32 feet.

fredgpops wrote:
My robusta is pretty shallow but I'd sink the paper down 2 1/2 to 3 ft. RGds

I am not saying it is not warranted but that is deep, man.

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