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Re: Aroids growing better in water?

  • Subject: Re: Aroids growing better in water?
  • From: "Kathy Kempf" <wont_read101@hotmail.com>
  • Date: Thu, 6 Jun 2002 10:50:33 -0500 (CDT)

Steve, as a former AZ resident, and outdoor lover and explorer, I 
encountered many cacti and other succulents that grew in standing water.  
Among the types I have seen growing this way were: organ pipe cactus 
(Stenocereus thurberi) in or around the National Monument, a grandma cactus 
(probably a species of Garambullo), and an unidentified type of cholla.  All 
were grounded in the shore, but I could see many of the roots penetrating 
into surrounding permanent water (lake, pond, etc) and the flood-plain in 
which they grew made it obvious that the plant was periodically flooded, 
which would last for at least a week.  Haven't tried to grow any of cactus 
this way, but they do grow that way naturally.

Kathy Kempf Ohio Zone 6

>From: Steve Marak <samarak@arachne.uark.edu>
>Reply-To: aroid-l@mobot.org
>To: Multiple recipients of list AROID-L <aroid-l@mobot.org>
>Subject: Re: Aroids growing better in water?
>Date: Tue, 28 May 2002 16:25:47 -0500 (CDT)
>On Tue, 28 May 2002, ron wrote:
> > Re: Aroids growing better in water?Phalanopsis cannot sit in water and
> > live very long!!! I hope nobody took you literally.
> >
> >>   Even epiphytic orchids, apparently.  I saw several yesterday at a
> >> friend's--including a Phalaenopsis!
> >>>
> >>>     I would venture to say that just about ANY plant can be grown in
> >>> water (hydroponically).
>There are some people over on the cactus & succulent list who swear
>they've seen cacti (terrestrial, desert type cacti, not the epiphytic
>ones) very happy growing hydroponically.
>I wouldn't know myself, but according to one, who seemed pretty
>knowledgable, the issue is oxygenation at the roots, or more accurately a
>plant's ability to tolerate lack of oxygen in the root zone, not whether
>the roots are submerged or not. He claimed that with sufficiently aerated
>water, pretty much anything was possible.
>Again, I haven't seen it myself, but there's a certain logical consistency
>to the idea and it fits with various other things in a pleasing way.
>-- Steve Marak
>-- samarak@arachne.uark.edu

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