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Old 26-01-2018, 04:51 PM posted to rec.gardens.orchids
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Default Repotting: Why NOT Use Pine Bark?

Ive read so much on this and here is my response for what it may be worth.
We humans always like to think we know more than plants. If your orchids grow well on pine bark in your climate and environment under your watering and fertilizing habits. I would continue.
Raw pine bark mulch is $3 fot a 3sq-ft bag

Its like most pharmaceudical information in the west. A lot of distracting and strategically worded "scientific" reports are put out by manufacturers of expensive bark products fir orchids so that we spend $7 dollar of a tiny bag of un-named 'treated bark".

Its a desease of our culture.

I have grown orchids everywhere and if you pay attention to the plant you can find what it needs to theive in your yard. It seems you have found it!

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Old 23-02-2019, 12:27 AM posted to rec.gardens.orchids
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Default Repotting: Why NOT Use Pine Bark?

This is my question. Can I go gather say blue spruce bark from my yard and prepare it in some way to use? Can you elaborate on what you have used.
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Old 08-06-2021, 10:55 AM posted to rec.gardens.orchids
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Default Repotting: Why NOT Use Pine Bark?

On Saturday, February 23, 2019 at 10:27:01 AM UTC+10, wrote:
This is my question. Can I go gather say blue spruce bark from my yard and prepare it in some way to use? Can you elaborate on what you have used.

Leslie.
I prefer older trees 40 years plus put through a hammermill i use a acid and soak for 3 dads , remove and place on a wire netting cover with shade cloth. i saturate it with fresh water and let it dry for 3 days. The water from this process is the colour of tar -pitch black, but the bark that goes through this process is suitable for orchids. i then put the bark back into my 800ltr tub made of plastic . with 400ltrs of fresh water with lime and high nitrogen fertilizer and soak for 2 days. i remove the bark and dry it and the ph is 6 orchids grow better in a low PH . I then sive with a 6 to 9=10 to 14 =15 to 25 , and my orchids grow fine and flower well enough to take out many first and champ-s of show, i fertilize with aquasol for the past 50 years with out a problem.
Finer bark will work but breaks down faster and stays wetter. so you must ajust your watering to suite.
I grow orchids that need to be kept wetter like oncid allience and soft cane dens and cymbids.
Growing orchids is no secret see the problem before it happens and that takes a little time.
I use 4 bark =2 charcoal =1 Jumbo pearlite =1 of good quality scoria.
Remember 3 things orchids like =LIGHT AIR WATER get that right and your a champ grower.

LES,


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