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NW Washington | Here is some black clumping bamboo that they say is hardy into growing zone 6 which I am guess southern Illinois is in. Yes, you don't want the kind that spreads by rhizomes underground because it becomes a weed in a hurry.
I have some black bamboo and so far it has not spread, but it is getting big, maybe too big.
https://www.willisorchards.com/product/black-bamboo-plant?gclid=Cj0K... | |
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