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Old 03-07-2012, 01:32 PM
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growing Disa's in Hydroponic

Hi I had just purchased three disa's last week end. I would like to see how they will grow for me and if i can try to grow them from seed. But first i have to get them to flower! Any help on cultivation of these terestrials? Here are a few photos of them....
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Old 03-14-2012, 03:59 PM
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Sweet sweet rainwater and not too much sun, don't let them get hotter than 30 celsius or cooler than 0 celsius, with a dilute feed during growth (flush pots thoroughly every so often).

In Spring/Summer mine are in trays of water, inch or two deep. I change that water regularly.
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Old 03-15-2012, 01:17 AM
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For these I would think that sphagnum is better, what do you think about hydroponic Tom?
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Old 03-15-2012, 08:04 AM
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Ack I completely missed the S/h part of my reply, sorry!

I would be cautious putting them in the inert, hydroton media, as Disa like slightly acidic medium, which is why they do best in spaghnum or peat/perlite mixes, you get a naturally low pH.

Both mediums are fine for use with a tray/saucer but I would add perlite to the spaghnum moss, to avoid the medium getting completely sodden.
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Old 08-07-2012, 01:36 PM
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ok i will leave them in spagnum, I have made a great watering system for them.
I will post pictures soon when I figure out home to upload the photo's BIG
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Old 08-13-2012, 03:04 PM
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As promised I have found out home to make the photo's larger so here is what i grow my Disa orchids in.






Its quite hard to get the correct growing conditions for Disa's What works for one does not always work for the other Disa as seen in the photo. The one is flourishing and the smaller one im stil trying to grow better. Its growing like a
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Old 08-14-2012, 03:37 PM
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Ahhh one day I want a set up similar to this.

Can't tell if you have it already, but the next step would be to use a water pump to drive that water along gently.

Disa, typically live near streams, and so having a gently flow of water a few inches deep would be perfect, keeping the water oxygenated and putting off algae and other unwanted problems.

Gore Orchids had a set up for Phragmipedium, which like a similar set up for water, called Quasi-hydroponics.

Gore Orchid Conservatory - Phrag. semi-hydroponics

It is my dream, when I eventually have a permanent residence to set this up.
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Old 10-21-2012, 02:17 PM
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I never realised how difficult Disa's are to grow until i started with 3 and sent 2 to orchid heaven
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Old 10-22-2012, 02:37 AM
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Yeah, I've given up. I'll stick with terrestrials I know I can grow.
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Old 04-30-2016, 08:54 PM
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I have just been given a Disa orchid, it is in spaghnum moss and I was told to keep it in water and never let it dry out, is this correct? The person who gave it to me is not a very experienced grower, nor am I.
Di
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Old 06-19-2016, 12:44 PM
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I dont grow huge numbers of these but what works for me is spaghnum peat/perlite around 50/50. Stood in water all year unless the tray dries out by accident. Min 4C although mine have survived a light ground frost in the past, max has been well over 40C for short periods. I don't find them at all difficult or as difficult say people say they are, often get roots popping out the bottom of the pot which form new plants under water. I have them under 40% shading but have also grown them outside in full sun.

I think i have a self sown seedling coming up in pinguicula pot which is in the same tray.
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Old 06-19-2016, 04:12 PM
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Just checked my maximum temperature over the last few weeks and it was 46.3 C. Note that is only for about an hour or less and night time temperatures are around 15C. Just saying theres no need to panic if there is a brief high temp.

Heres a uniflora orange that had these temps a few weeks ago.

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Last edited by SilverShaded; 06-19-2016 at 04:15 PM.
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