Works really well to grow bamboo - have heavy rocks that you can lift and edge when the new shoots of bamboo emerge. Backfill with compost and then replace the rocks - this adds a layer of organic above the growing culms of bamboo - I think it works as it decomposes right on top of the plant.
|Timor Black Bamboo growing culm|
|Claret Fig aside a succulent|
|The culms emerge in a hurry to get height|