Mike Lyle wrote:
Broadback wrote:
A large area of my garden has no appreciable top soil. I have
started digging out a large bed, which I will fill with top soil.
How deep, ideally, should top soil be?
TIA

The length of a piece of string is generally sufficient.[...]

Sorry, I might not have said that if I'd read somebody else's reply.
A man is known by the company he keeps.

--
Mike.