Best soil for a raised bed?

Mark Mazer markemazer@gmail.com
Sun, 13 Jul 2014 07:26:09 PDT
ASTM C-33 spec sand aggregates have been most successful for us when making
shallow raised beds over native soils in several situations in NC and CT.

Mark Mazer
Hertford, NC  USDA 8a


On Sun, Jul 13, 2014 at 9:55 AM, Ernie DeMarie via pbs <
pbs@lists.ibiblio.org> wrote:

>
> Hi Mike,
> If the soil is on the heavy side like the clayish soils I have here in NY,
> I found road sand tends to help it to dry out and drain better.  Don't know
> how readily available this is in Cali, its the stuff they use on the roads
> in winter here, minus the salt.  It is smaller than gravel but bigger than
> beach sand, and not uniform in size, which is good.  Its kind of like
> granite grit but mostly smaller.  Of course the Cape bulbs themselves have
> preferences for different soils in habitat, some grow in clay that gets wet
> during winter while others grow in very sandy soils and since your climate
> roughly mimics the winter rainfall Cape region, species preferences might
> matter too.  Organics like composted leaves will hold moisture better if
> you have sandy soil, but you will as you said lose it over time if its not
> replenished.  I'm sure some of the tougher stuff would survive in whatever
> soil you have though.
> Ernie
> Briarcliff Manor NY
> Z7ish, galtonias are spiking, Tritonia disticha, Albuca shawii, Gladiolus
> Ruby Papilio, are blooming in the gardens, lots of summer oxalis and other
> stuff in pots also blooming
>
>
>
>
>
>
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