Inorganic Mounts for Orchids
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Old 07-03-2019, 11:47 PM
dnatural1 dnatural1 is offline

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Inorganic Mounts for Orchids Male
Default Inorganic Mounts for Orchids

In a recent thread on Ghost orchids a couple of contributors said that it is possible to use inorganic mounts for orchids. I like the idea of long lasting mounts and once tried to grow Sarcochilus falcatus (an epiphytic orchid native to Australia) on the outside of terracotta "jug". I filled the "jug with moist sphagnum moss for moisture retention. Did not persist far with the trial as I became concerned that the clay may exude salts that are toxic to the plant.

Questions that come to mind include: what minerals can leach out of terracotta one has to be wary of?, can these be removed by pre-soaking the pot?, what other mineral mounts have been tried? How do inorganic mounts compare with cork?
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Old 07-04-2019, 08:25 AM
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Ray Ray is offline
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Inorganic Mounts for Orchids Male

Assuming the terra-cotta has been properly fired, submerging it in an excess of plain water for a days or two ought to extract pretty much and residual salts.

I've grown plants mounted on inverted clay flower pots I've silicone glued to a tray, and filled it with water. I didn't even soak them and had no issues.

Epiweb, a product out of Sweden, is a plastic mounting material that is simply the material used to make rotary floor scrubber pads.
Ray Barkalow, Orchid Iconoclast
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Old 07-04-2019, 10:32 AM
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WaterWitchin WaterWitchin is offline
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I used to use Texas Holey Rock for mounts. Loved the way it performed. Has just enough roughness texture to grip well. I just don't now, as I don't have time for mounted orchids at the moment.

Also used deer horns... which are still organic sort of, but more long-lasting by far.
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Old 07-08-2019, 11:18 PM
dnatural1 dnatural1 is offline

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Inorganic Mounts for Orchids Male

Hi Ray, WaterWitchin,

Belated tks for your replies. I will have another go at using terracotta with base in some sort of water reservoir. Previously I used moist sphagnum in the pot to keep things moist. Could also use rockwool for that purpose, I suppose, so as to keep things inorganic and longlasting.

Joe P.
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