TOW Tuberous Pelargonium - Part 2

Boyce Tankersley
Fri, 27 Aug 2004 07:40:41 PDT
Hi John:

Thanks for the information. I'll check the reference you cited when I get home tonight.

Always on the lookout for more geophytes with summer growth cycles (or that might be switched around into a summer growth cycle) that might burrow deeply enough into the soil to be hardy here.

Boyce Tankersley

-----Original Message-----
From: John Bryan []
Sent: Thursday, August 26, 2004 3:34 PM
To: Pacific Bulb Society
Subject: Re: [pbs] Re: TOW Tuberous Pelargonium - Part 2

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
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