>Haven't tried any Scleros yet, but I think there is at least one species that
>might be hardy here, so I will be trying.. I'll let you know if and when I get
>anywhere with them!
Well, it was -28C on the back patio here, last night. (Coldest winter here in
twenty years.) I figure that that's pretty good weather for sclerocactus and
pediocactus.
Most of them are probably hardy to temperatures colder than that, especially if
they grow in the high valleys of the western slope of the Rockies and the
intermountain region.
If it gets that cold, and the plants have prepared themselves beforehand by
losing most of the water in their cells (ie, shriveling almost to nothing), and
the only precipitation they get is snow (meaning, no precipitation, as far as
the plants are concerned), they should be fine.
Bob Nold
Denver, Colorado, USA
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