pumice

Ina Crossley klazina1@gmail.com
Tue, 02 Jul 2013 14:15:08 PDT
Thank you Jane.
On 3/07/2013 8:51 a.m., Jane McGary wrote:
> I have always preferred unwashed pumice with fines for my bulb and
> alpine mixes. In addition to retaining moisture, the fines also
> release a significant amount of nutrient and help to balance the pH
> of what would otherwise be a pretty acidic soil, given what is
> available to us here.
>
> Washed pumice is also available here but it's mostly used in
> bark-based coarse potting mixes for growing conifers and other woody plants.
>
> Jane McGary
> Portland, Oregon
>
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-- 
Ina Crossley
Auckland New Zealand zone 10a






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