I have a couple of smaller hugel beds, but I haven't done cannabis in them. This last season's experiment was aquaponics cannabis. Got too late of a start to really get much other than the ability to say I did it with them.
We're mostly a mixed coniferous forest here, mostly pine (sugar? I don't know which specie), a good bit of incense cedar and some fir. We also have some deciduous trees, mostly oak and madrone, a bit of native dogwood. We generally don't cut those down, but the pine are weeds and super prone to dying from the beetle. I can see more trees so affected in our little valley here these past few months. Many owners just leave them, I wish they'd take them down.