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04-26-2007, 04:00 PM
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Jr. Member
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Join Date: Mar 2007
Posts: 21
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shade for phals
in bob gordons book culture of the phal orchid, he recomends growing phals in 1,200- 1,500fc this is 85% shade, does any body grow there phals in this shade.
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04-26-2007, 04:06 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 7,430
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My phals are growing in about 500FC or so. They grow and bloom just fine. I see nothing wrong with Bob's recommendations and I suspect others will join in here with higher light amounts, but I try to avoid sunburn and in my situation I either get very high light (2500-3500FCs) or very low (do to where plant is placed.) Also keep in mind the latitude where the plant will be grown. I suspect in southern Florida, for instance, 85% shade is much more than 1500 FC. It certainly is not the same percent shade as in northern latitudes (I am near 45 degrees latitude.) Hope this helps.
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Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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04-26-2007, 04:19 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,147
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My Phals get that amount of light. As measured by the fact that I can barely cast a shadow over them. But in the early morning they get very strong, yet mottled sunight. And this is enough to tinge their leaves reddish.
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-26-2007, 04:23 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 7,430
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Quote:
Originally Posted by Tindomul1of9
And this is enough to tinge their leaves reddish.
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See, I don't like this effect with Phals. I know lots of folks do, but I like the edge of darkness where leaves are nice medium green, yet plants bloom from year to year. That's just me. Now with Brassias/Oncidiums/Encyclias/Cats/etc - that's different  I push those suckers till the edge of purple.
__________________
Ross
http://orchids-ross.blogspot.com/
I don't do most Dendros or large, "floofy orchids". For me it's minis (like Angraecoides), Paphs, and others that crept in somewhere along the line. See my orchid list for complete collection (usually not current.)
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04-26-2007, 04:39 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,147
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Well Ross, to be honest, Im still learning what best for my Phals. I don't know what the effects of this high light intensity will be on my Phals yet.
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-26-2007, 04:56 PM
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Senior Member
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Join Date: Mar 2007
Zone: 6a
Location: Southern Ontario
Posts: 599
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Tin, I'm interested in knowing if more light helps to produce more flowers on a phal. So pls keep us posted. Do all of you feel that a phal needs MORE humidity than other types? I heard 60 - 70% humidity is req'd for phals.
thanks
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Grow on!
Helen
"Staring at the pattern of the flecks was dizzying. Staring at it for a long time was hypnotizing. - Susan Orlean's "The Orchid Thief"
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04-26-2007, 05:12 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,147
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Well I gotta tell you that my happiest Phals are those that are inside my Vivariums where humidity is way high and lighting is still strong enough to tinge them red, just a little bit.
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-26-2007, 05:36 PM
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Senior Member
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Join Date: Oct 2006
Location: Ukraine
Posts: 1,188
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Quote:
Originally Posted by Helen
Tin, I'm interested in knowing if more light helps to produce more flowers on a phal. So pls keep us posted. Do all of you feel that a phal needs MORE humidity than other types? I heard 60 - 70% humidity is req'd for phals.
thanks
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Yes, it does help to produce more flowers. In fact, the number of flowers on my phals has almost doubled when the light intensity was increased.  |
04-26-2007, 05:38 PM
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Moderator
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Join Date: May 2005
Location: Queens, NY, USA
Age: 28
Posts: 7,147
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That is good to know!
So that begs the question, are Phals shade plants or simply shade tolerant?
__________________
All that is gold does not glitter,
Not all those who wander are lost;
The old that is strong does not wither,
Deep roots are not reached by the frost.
-J.R.R. Tolkien, LOTR, Fellowship of the Ring
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04-26-2007, 06:17 PM
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Orchid Iconoclast
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Join Date: May 2005
Location: Southeastern PA
Posts: 1,688
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I believe there is a significant difference between shade loving and shade tolerance.
In the former, they will actually bloom better with lower-rather than higher light. In the latter, it's the opposite. I can also tell you that not all phals are created equal.
For example, Phal. honghensis seems to to best for me in bright conditions, while venosa likes it shadier.
I want to take this opportunity to point out a potential misunderstanding of shade. The comment that "1,200-1,500 fc is 85% shade" may be true on a cloud-free day at noon at the equator, where full sun might be in the realm of 10,000 fc, but 85% shade is likely to give me (SE PA) only a few hundred foot-candles today, because of my latitude and the season.
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