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 > > > > > > > > _______________________________________________ > > > > pbs mailing list > > > > pbs@lists.ibiblio.org > > > > http://www.pacificbulbsociety.org/list.php > > > _______________________________________________ > > > pbs mailing list > > > pbs@lists.ibiblio.org > > > http://www.pacificbulbsociety.org/list.php > > > > _______________________________________________ > > pbs mailing list > > pbs@lists.ibiblio.org > > http://www.pacificbulbsociety.org/list.php > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://www.pacificbulbsociety.org/list.php