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This is a discussion on Phrags and feeding within the Genus Specific forums, part of the Orchid Culture category; I have recently picked up on the fact that some phrag experts use what I ...
I have recently picked up on the fact that some phrag experts use what I consider to be very heavy feed dosage. My normal limit for all orchids is an EC of 600, i.e. 0.6 Siemens - which is what epiphytes typically get in the wild, but for Phrags, which are probably not epiphytes anyway, figures twice as high have been mentioned by a couple of people specialising in them.
I have started doing this, a bit nervously - and so far after say 3 months I have not seen any sign of over-feeding ( such as browning leaf-tips) and I have not so far made any serious attempt to measure growth rates either ; but my maybe 30 or so plants in all sizes from 6 inch span single growth seedlings to 10 inch pots full of growths do look good, I must say.
Any comments or observations on this will be appreciated.
They appear to look very healthy, Geoff. If you do not see any fert burn after three months, most likely you will not. Nice growing - a bunch of really healthy looking orchids you have there!