RE: [gardeners] Lots of oak leaves

Kay Lancaster (
Tue, 8 Dec 1998 14:49:11 -0800 (PST)

On Tue, 8 Dec 1998 wrote:

> I remember running across a recent publication that appeared to be saying
> that new research is showing that oak leaves, pine needles, etc. are not
> effective in shifting soil pH. I was surprised! Do you have any information
> on this?

They'll do it on a short term basis, but as the organic acids break down,
the pH will shift back to the native soil pH.