Not a container expert, but only one way to find out. Go for it.
Fill with what you have, willow, branch cuttings, etc in the manner you posted.
Beans/peas don't have deep root needs.
I just filled a Hugel bed a couple weeks ago and tossed in a few dozen peas I had been
soaking...really prepping for next year but had just enough finished compost and soil
for half of it...a foot of soil on top.
|