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-   -   Anyone using full water culture? (http://www.orchidgeeks.com/forum/orchid-hydroponic-semi-hydroponic-101/anyone-using-full-water-culture-33714/)

HotPot 08-04-2016 02:07 PM

Anyone using full water culture?
I am now growning 3 orchids in full water culture.
Which means growing the plant bare rooted and putting the roots in a glass vase or watertight container and keeping about an inch or two of water in the bottom.
I first tried it on a mini phal that was bought growing in spagh moss, but it's flowers were not opening and the buds started to drop. I took the moss off and tried this method. Within days the buds started to swell then open and stopped dropping off. The old roots started to sprout fresh, thick green roots.

SilverShaded 08-04-2016 05:02 PM

Yes, ive grown Phaelenopsis pulcherrhinma for a few years like this. This is how they grow in nature so it wasnt much of a stretch for this species. I think most orchids will tolerate their roots in water, as long as the water is well oxygenated.

Bolero 08-06-2016 01:13 AM

Interesting, I have never tried this or heard of it. But it must be working.

SilverShaded 08-06-2016 04:26 AM

A lot of names are given to whats essentially the same thing, e.g. Semi-hydro, water culture, etc etc. They all seem to work by keeping the roots moist or wet but well oxygenated.

Recently i started using clay hydroponic pebbles for many orchids either with or without the semi hydro aspect, i find the clay holds enough moisture for the roots but allows plenty of oxygen in, it can also be allowed to dry out fairly quickly for those plants that require it. And the main attraction is it wont rot and become anaerobic like even coarse bark can.

Edit: same photo i allways dig out on these occasions but i allways get a kick out of looking at them again,
Nature allways gets there first, natural semi-hydro/water culture,


HotPot 09-05-2016 10:34 AM


Originally Posted by Bolero (Post 402781)
Interesting, I have never tried this or heard of it. But it must be working.

just type in google images, "orchid full water culture"
or do the same search in youtube and you will see videos on folks doing this. I prefer it over growing in clay balls , hydroponically as I can always easily see the roots and how healthy they are.
here's a blog post on it
Growing Orchids in Water – Hoa L Cnh

fishnbanjo 06-09-2019 12:07 PM

I was fortunate to win a beautiful Purple colored Phalaenopsis at our annual Cancer Survivor Day which came with a clear glass pot. The substrate is a mixture of small, medium and large stones with a thin layer of coconut shells, the roots are basically bare toward the bottom and the instructions stated simply place an ice cube on the coconut shells once the roots don’t have their feet touching water, seems to work quite nicely, sort of a different version of water culture, regards.


cowgirl 06-09-2019 01:02 PM

I wouldnt put an ice cube anywhere near my orchids, I think there trying to represent how much water to give them rather than giving them ice cold water

fishnbanjo 06-10-2019 06:02 AM

I understand, but the ice cubes I make are half the size of regular cubes and they provided an area of coconut shells away from the orchid for this so the orchid never gets cold water since it takes quite a few hours to melt and wind its way to the shells until it reaches the bottom of the glass container and is most certainly room temperature by this time. I used their suggested method the first time to see the actual amount of water used so I can duplicate it with room temperature water from that point, regards.

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