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08-05-2009, 03:30 PM
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Join Date: Aug 2009
Posts: 78
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Phrag potting medium
I pot my Phrags in rockwool cubes with some bark on the top to prevent moss growing. I have heard that some people pot theirs in Seramis. Anyone got experience of potting Phrags in Ceramis?
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10-21-2009, 08:38 AM
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Join Date: Sep 2006
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Location: Geelong, Victoria
Age: 56
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Seramis or Ceramis? I have never heard of this medium but would be interested in getting details about it as well.
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10-21-2009, 11:08 AM
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Location: Worcester, MA
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They are clay pellets popular in Europe I believe.
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10-21-2009, 03:14 PM
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Join Date: Aug 2009
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It is SERAMIS and yes, it is tiny terra-cotta pelets like fine gravel. They hold moisture very well and let the roots explore easily while letting air through the mix. I use them for Cypripedums mixed with a little loam with great success.
Richard
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10-21-2009, 05:15 PM
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Location: Michigan
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I grow all my Phrags in clay balls using the semi hydroponic method. They love it and grow like weeds, and they just keep blooming for me.
Marilyn
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10-22-2009, 06:10 AM
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Join Date: Aug 2009
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That's great. I'll give it a try because rockwool seems to get stale quite quickly even if mixed with perlite or bark.
Richard
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10-22-2009, 02:51 PM
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Senior Member
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Join Date: Jan 2008
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I agree with Grandma M. I've found that the best root growth for phrags is with S/H.
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10-22-2009, 03:09 PM
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OK, can you describe for me exactly what you mean by "semi-hydroponic"?
I understand hydroponic, but not clear about what the half way house is.
Richard
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10-22-2009, 03:14 PM
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Quote:
Originally Posted by richardb
OK, can you describe for me exactly what you mean by "semi-hydroponic"?
I understand hydroponic, but not clear about what the half way house is.
Richard
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easy... same as hydroponic, but using 50% of the water 
just kidding... have a look at this website: All about Semi-Hydroponics |
10-22-2009, 03:55 PM
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That is really helpful, thanks.
in 2010 I have to go on a long trip for 6 weeks or so, and with two greenhouses of nearly 600 orchids and nobody to call upon for attention I am exploring every technique. My absence is in July/August in the UK too - not ideal!
One greenhouse is entirely Odontoglossum types so will be left open and the other is everything else which is closed. Mist sprayers keep the air moist and I think that an overhead drench every 5/6 days early in the morning might be sufficient.
The semi-hydroponic route also looks to be an option for some.
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