pumice

Shmuel Silinsky gardenbetter@gmail.com
Tue, 02 Jul 2013 00:12:23 PDT
I use fine as well as small pumice (I think that's what you would call it -
here it is called tuff) mixed with sand and a bit of sandy soil(sold in
bags here) in my inorganic cactus mix as well as for Atacama bulbs and
other that rot easily. (We have cold wet winters, but not freezing.) I also
use the fine with sand for germinating seed of drainage loving plants with
good success.
\
Shmuel
Jerusalem Israel
Zone 9


On Tue, Jul 2, 2013 at 1:47 AM, Ina Crossley <klazina1@gmail.com> wrote:

> I've been mixing the pumice with some potting mix.  I thought that would
> offset any gaps.  Anyway, I gave up the washing idea as it is far too
> time consuming.
>
> Thanks for that Dylan.
>
> Ina
> On 2/07/2013 5:38 p.m., Hannon wrote:
> > The fines are not harmful and can be very helpful in coating live roots
> and
> > root hairs. Washing pumice deprives roots of needed insulation and
> > moisture. For most plants there is such a thing as a medium that is too
> > coarse and aerated.
> >
> > Dylan
> >
> > *
> >
> >
> > *
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>
> --
> Ina Crossley
> Auckland New Zealand zone 10a
>
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