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Last year I had a small herb garden which I had to dig up to try to kill a bamboo which is invading from a neighbours garden.
I managed to successfully replant elsewhere the bay, mint(obviously), sage(in a pot) and I think the rosemary, which is still alive although looking quite poorly.
I have tried everything to kill the bamboo, including digging down and blowtorching the root as far as possible, but it just keeps coming back.
Does anyone have any suggestions, or am I stuck with it?

I have read that with invasive bamboos, when planting, you should contain the area of root growth by burying some kind of barrier to restrict the roots. I don't know what material to use though as that barrier! Anyway you could do the same - dig down at the fence line, put in said barrier - something like metal ought to do the trick! - then the roots should hit that then bounce back into the neighbour's garden!

Hopefully someone will suggest best material for the barrier.

Try old seconf hand steel that is used to surround above ground pools - corrugated easy to bend!

Nev

Thanks for the advice, I,ll give that a try.