Amorphophallus titanum bloom

Paul Licht plicht@berkeley.edu
Wed, 17 Jun 2009 12:43:30 PDT
The UC Botanical Garden in Berkeley has a titan arum about to open. This 
is the same plant, named Trudy, that bloomed in 2005. Trudy (or perhaps 
I should say T-Rudy) provided pollin (fathered) the plant we had in 2007 
which is the source of seedlings we now sell.  T-Rudy reached 62in this 
morning but still seems a few days away from opening. If you are in the 
area and have never seen one of these (in bud or bloom), it's a must. 
Check our website (http://botanicalgarden.berkeley.edu/) for daily updates.

Paul Licht, Director
Univ. California Botanical Garden
200 Centennial Drive
Berkeley, CA 94720
(510)-643-8999
http://botanicalgarden.berkeley.edu/ 



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> Today's Topics:
>
>    1. Re: Zantedeschia hardiness (John Grimshaw)
>    2. Re: Zantedeschia hardiness (Christiaan van Schalkwyk)
>    3. Re: Zantdeschia hardiness (Kelly O'Neill)
>    4. Narcissus tazetta (Alberto Grossi)
>    5. Re: Zantedeschia hardiness (John Grimshaw)
>    6. Jay's Crinums (James Waddick)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 16 Jun 2009 18:33:30 +0100
> From: "John Grimshaw" <j.grimshaw@virgin.net>
> Subject: Re: [pbs] Zantedeschia hardiness
> To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
> Message-ID: <010f01c9eea8$91135710$0401a8c0@MAINPC>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> 	reply-type=original
>
> Jim McKenney wrote:
>   
>> I've had problems with Z. aethiopica too, but I think the root of that is
>> that this species is a winter grower which only very reluctantly changes
>> seasons.
>>     
>
> This issue has been touched on but I think not yet fully explored. 
> Zantedeschia aethiopica has a wide range in South Africa, encompassing both 
> winter and summer rainfall areas.
>
> It seems sensible to me to assume that most importations of Zantedeschia 
> aethiopica have been from the area around Cape Town, where it is very 
> common, even growing at the very tip of Cape Point. These winter growers 
> would certainly be tender in northern Europe, necessitating the glasshouse 
> culture/underwater techniques to survive.
>
> I have collected seed of Z. aethiopica on the Sani Pass, in Kwa-Zulu-Natal, 
> a classic summer-rainfall location and source of many hardy plants for UK 
> gardens. The seedlings are absolutely hardy here and flower in midsummer.
>
> Mulling over it, I came to the thought some time ago, that the generally 
> reliably hardy clones in the UK, e.g. the old but unspecial 'Crowborough' 
> and the recently named 'Glencoe', are probably from the summer-rainfall 
> area, though this is impossible to prove. If so, it demonstrates the 
> importance of provenance when selecting South African material for garden 
> use. (Another plant with similarly wide distribution  in SA & reputation for 
> tenderness is Melianthus major: again, one suspects that most seed has come 
> from the Western Cape, and one wonders how material from the Drakensberg 
> would fare.)
>
> The pink-throated form of Z. aethiopica also seems to be entirely hardy 
> here, and occurs in eastern south Africa somewhere as a wild plant.
>
> Z. albomaculata survives outside here, but is late to emerge, and does not 
> flower very freely.
>
> John Grimshaw
>
>
> All messages in my Inbox received between September 2008 and 30 May 2009 
> have been deleted: please resend anything you feel is important!
>
> Dr. John M. Grimshaw
> Sycamore Cottage
> Colesbourne
> Cheltenham
> Gloucestershire
> GL53 9NP
>
> Tel. 01242 870567
>
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 17 Jun 2009 11:23:53 +0200
> From: "Christiaan van Schalkwyk" <cvschalkwyk@lantic.net>
> Subject: Re: [pbs] Zantedeschia hardiness
> To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
> Message-ID: <17385C4EDA664A85B3095B1383519404@DOKTER>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> 	reply-type=original
>
>
>
>   
>> Mulling over it, I came to the thought some time ago, that the generally
>> reliably hardy clones in the UK, e.g. the old but unspecial 'Crowborough'
>> and the recently named 'Glencoe', are probably from the summer-rainfall
>> area, though this is impossible to prove.
>>     
>
> There is is a small town close to Dundee called Glecoe in the north western 
> part of the KwaZulu Natal province, so if this clone is named after the 
> place of collection, it is from a summer rainfall area, with probably very 
> cold winters.
>
> Hope this helps
> Christiaan 
>
>
>
> ------------------------------
>
> Message: 3
> Date: Wed, 17 Jun 2009 03:06:12 -0700
> From: "Kelly O'Neill" <kellyo@wetrock.com>
> Subject: Re: [pbs] Zantdeschia hardiness
> To: Pacific Bulb Society <pbs@lists.ibiblio.org>
> Message-ID: <4A385DA4.30174.4FE63D18@kellyo.wetrock.com>
> Content-Type: text/plain; charset=US-ASCII
>
> On 14 Jun 2009 at 11:10, Jane McGary wrote:
>
>   
>> This is news to me. Here in Oregon, Z.
>> aethiopica is dormant in winter and
>> emerges in mid-spring, going dormant by
>> late summer. It is in flower now.
>> Another odd thing is that although this
>> is widely regarded as a wetland plant,
>> clogging ditches when it escapes in mild
>> climates, here one sees it flourishing
>> in sites that become completely dry in
>> summer: 
>>     
>
> I'm a bit south of Jane. Here, the Z. a. types are trying to grow 
> all winter. Every significant frost turns any growth to mush and 
> so they can seem to be dormant. When frosts stop they recover 
> quickly and bloom in May-June. Flower vase trivia: To get much 
> longer cut-flower stems, carefully pull them rather than cut 
> them.
>  They do remain evergreen if watered in summer. They look 
> best in some shade. I like to extend the bloom season and 
> have them planted in all sorts of conditions. They do do ok in 
> full sun with no summer watering (and are summer dormant). I 
> have seen the advise to plant them in water.  I have not had 
> luck planting them more than a few inches below the water line 
> in my fluctuating winter flooded areas. I will try some more 
> though. I'd guess they like summer wetland, winter dry 
> conditions? They do so well here, I am concerned they may 
> turn out to be invasive and difficult to control someday. 
>
>  Kelly O'Neill
> http://www.bigbubblers.com/ and 
>    Big Bubble Magic(tm) at  http://www.wetrock.com/
> and  Wet Rock Gardens Flower Farm
> 2877 N 19th Street - Springfield, Oregon 97477
> U-Pick and more at the farm (open 9 to 6, Sun, 
> Wed and Fri - from March thru Halloween)
> kellyo@wetrock.com - http://www.wetrock.com/
>
>
> ------------------------------
>
> Message: 4
> Date: Wed, 17 Jun 2009 13:56:54 +0200
> From: "Alberto Grossi" <crinum@libero.it>
> Subject: [pbs] Narcissus tazetta
> To: "pbs" <pbs@lists.ibiblio.org>
> Message-ID: <KLDT6U$866AC78D5CEA4D7215484B0503A791C5@libero.it>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hi, I received an enquiry about N. tazetta from a reader of PBS, but I deleted inadvertently the email before answering. I am sorry. If you want send me the email again, this time I'll be more careful!
>
> Alberto
>
>  
>
>
>
> ------------------------------
>
> Message: 5
> Date: Wed, 17 Jun 2009 13:40:06 +0100
> From: "John Grimshaw" <j.grimshaw@virgin.net>
> Subject: Re: [pbs] Zantedeschia hardiness
> To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
> Message-ID: <008301c9ef48$bf00e340$0401a8c0@MAINPC>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> 	reply-type=original
>
> Zantedeschia aethiopica 'Glencoe' is named after Keith and Lorna Ferguson's 
> garden in Gloucestershire, where there is a huge bed of it - a truly 
> magnificent sight.
>
> John Grimshaw
>
>
> Dr. John M. Grimshaw
> Sycamore Cottage
> Colesbourne
> Cheltenham
> Gloucestershire
> GL53 9NP
>
> Tel. 01242 870567
>
>
> ----- Original Message ----- 
> From: "Christiaan van Schalkwyk" <cvschalkwyk@lantic.net>
> To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
> Sent: Wednesday, June 17, 2009 10:23 AM
> Subject: Re: [pbs] Zantedeschia hardiness
>
>
>   
>>> There is is a small town close to Dundee called Glecoe in the north 
>>> western
>>>       
>> part of the KwaZulu Natal province, so if this clone is named after the
>> place of collection, 
>>     
>
>
>
> ------------------------------
>
> Message: 6
> Date: Wed, 17 Jun 2009 07:37:25 -0500
> From: James Waddick <jwaddick@kc.rr.com>
> Subject: [pbs] Jay's Crinums
> To: Pacific Bulb Society <pbs@lists.ibiblio.org>
> Message-ID: <p06240831c65e933b90b0@[192.168.1.105]>
> Content-Type: text/plain; charset="us-ascii" ; format="flowed"
>
> Dear Friends,
> 	Hats off to Jay Yourch and his new Crinum pix. Keep 'em coming.
>
> 	He is growing, hybridizing and documenting a lot of great 
> plants and with his friend Alani Davis extending our joy of these 
> great plants.
>
> 	If you think Zone 5 or even 6 is too cold, stop and try some. 
> We grow a bunch in the ground and some do fine in large, but not 
> enormous, pots.  Seeds coming to BX soon.
>
> 	Thanks to Jay and Alani.		Jim W
>   


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