Will bamboo damage the retaining wall

alex440

I have planted 2 bamboo plants a year ago along a retaining wall and decided to install the root barrier in a U shape around it - that means from the 3 sides of the plant but no along the retaining wall. The wall is 1.7 m high - that means the neighbor's floor is 1.7 meter higher than mine.

I thought it's unlikely that the rhyzomes will penetrate that 1.7 meter of soil, but now I'm starting to get second thoughts.

It it possible that the bamboo will spread under the upper neighbor's plot and pop up at his floor?

Is it also likely that the roots will go under the retaining wall and circle the root barrier to the right neighbor's property (the one with the cactus)?

Thanks

KT53

Install a complete barrier.  A partial one is no use as the runners will find a way round it.

Lizzie27

I agree with that. By floor, do you mean inside his property or outside in his garden.?

alex440

I mean upwards where the surface of his yard is... at the level where the red blocks end and the gray ones begin. His whole plot is higher than mine by 1.7 meter and is supported by this retaining wall.

But well, it seems I don't have much choice... It will likely find its way to the cactus, and then I won't be able to get it from under the retaining wall...

Uh, I don't look forward digging all this trench once again...