04-18-2009, 10:13 PM
A foot is fine.
I'd move about the top 6" of that stuff somewhere else, then cut in a bunch of peat moss to lighten up the consistency, and some composted manure or mushroom compost for enrichment. Or you can take it all out and fill with a commercial mixture like this:
http://www.premierhort.com/eProMix/
I'd move about the top 6" of that stuff somewhere else, then cut in a bunch of peat moss to lighten up the consistency, and some composted manure or mushroom compost for enrichment. Or you can take it all out and fill with a commercial mixture like this:
http://www.premierhort.com/eProMix/