TOW Tuberous Pelargonium - Part 2

chuck Schwartz puppincuff@cox.net
Fri, 27 Aug 2004 16:46:31 PDT
John,
You are spot on with regards to their location; just in front of a building
to save daylight heat.
chuck Schwartz
San Clemente, CA
----- Original Message ----- 
From: "John Bryan" <johnbryan@worldnet.att.net>
To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
Sent: Friday, August 27, 2004 9:44 AM
Subject: Re: [pbs] Re: TOW Tuberous Pelargonium - Part 2


> Dear Chuck:
>
> Thanks for the news. If the plants do not get hit by early morning sun,
> then I have no doubt they can withstand 30f for a while, but no doubt it
> did not last long, given your location. In addition, I feel that while
> the thermometer indicated 30F, the tuber itself would have warmed the
> air a little, it having stored a certain amount of 'body heat' from
> previous days. I often feel we do not credit the potential of warmth
> eminating from such structures, and always wonder if the actual
> temperature experience by the plants is, in fact, that which is
> registered on the thermometer, often placed in the air at a distance
> from the actual plants. Cheers, John E. Bryan
>
> chuck Schwartz wrote:
> >
> > I beg to differ with you, John. I have had Pel's fulgida, radulifolia,
> > bowkeri, pulverulenta, and x ardense withstand 30 F for several nights.
> > Several of these never went dormant! I also have the same lack of
success in
> > raising seedlings - they seem to like going completely dry between
> > waterings, and I want to nurture them. My favorite is P. radulifolia. It
has
> > bloomed for 10 months straight and has been evergreen for the last 8
years.
> > Of course I live in coastal Southern California.
> >                                                      chuck  Schwartz
> > > Dear Boyce:
> > > In the 2nd edition of BULBS I write about some 50 species with 8 or so
> > > being illustrated. Many can be grown in USDA Zone 9, with just a
little
> > > protection, but most, if not all, will not stand frost and
temperatures
> > > at night in the 40 F range are needed. Thus it should be possible for
> > > those who can provide some protection, to grow them. They are, in my
> > > opinion, quite beautiful and it is interesting to think about crossing
> > > some, especially the yellow species, with Pelargonium zonale or with
Ivy
> > > Leaf species. The question of hardiness has not, to my knowledge, been
> > > factually established. I would not be surprised at all to find them
> > > hardier than supposed, but I would not think they would ever be
hardier
> > > than, (or less hardy) than our common window box cultivars, which have
> > > survived many winters for me in San Francisco. Cheers, John E. Bryan
> > >
> > > Boyce Tankersley wrote:
> > > >
> > > > Dear David:
> > > >
> > > > This group of geophytes is absolutely new to me and I've read your
> > introduction with great interest. Great job! I don't suppose any of
these
> > have been trialed for winter hardiness in the USA?
> > > >
> > > > Many thanks,
> > > >
> > > > Boyce Tankersley
> > > > btankers@chicagobotanic.org
> > > >
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