I’ve got two hops plants in buckets (willamette and perle) that I would like to put in the ground. I also have a septic drain field that takes up most of my back yard that I would like to keep the roots out of.
I’ve got a little corner raised bed that I’m looking to use and I’ve seen mint put in a bucket with the bottom cut out in the ground to keep it from running out of control. If just the roots grow out the bottom, I should be fine. My concern is if any rhizomes grow down and out, the plants may spread and put roots out much further away.
So, do rhizomes grow down or do they pretty much stay near the surface?