Magnusfarce wrote:
I want to put a simple raised planter around the perimeter of my back
yard that will be built of bricks maybe, say, three or four rows high
(about 12 inches). What do I need to lay down on the soil as (or
under) my first layer? Anything special?

- Magnusfarce

If I were building a 12 inch retaining wall, I would want to have a
footer below frost level. How deep if it exist at all, that may be depends
on where you live.

--
Joseph Meehan

26 + 6 = 1 It's Irish Math