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04-25-2007, 05:37 PM
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Senior Member
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Join Date: Feb 2007
Zone: 5a
Location: northeast ohio
Age: 47
Posts: 481
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ladies of the evening
my BRASSAVOLA nodosa requires high light, i have it hanging in the east window. the problem is that yesterday it appears that some of the leaf tips are a slight red colored like it is getting sunburn. is this color normal and i just nevered noticed before or something else  |
04-25-2007, 05:44 PM
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Senior Member
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Join Date: Jan 2007
Zone: 3a
Location: Edmonton, AB, Canada
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Usually red on leaves is an indicator that the plant is getting good light. Probably as high light as it will take.
The plant is protecting itself from getting too much red light be making red pigments which absorb the red light waves
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Fren
Orchidacea are the largest and most diverse of the Angiospermae, and includes 800 genera and 30 000 species
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04-25-2007, 08:00 PM
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Ambassador
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Join Date: Apr 2006
Zone: 9a
Location: Spring Hill, FL
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Dennis, I have my B nodosa in the area with my Phals rather than high light.
The red is usually a sign of one or two things:
the amount of light it's getting is at the top of it's high light range...move it in a more diffused light
-or-
it's feeding off itself due to an insufficient amount of food...give it a little more and see if it improves.
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Susanne B
"It is difficult to give away kindness.
It keeps coming back to you"
~~ Cort Flint
Leave your egos at the door...
Jungle Hobbies, anyone? http://www.junglehobbies.com/cb977
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04-25-2007, 08:10 PM
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Roots are good
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Join Date: Sep 2006
Zone: 5a
Location: Cadillac, Michigan, USA
Posts: 7,406
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Mine is hanging in south window with window screen. It gets as much as it can absorb and still doesn't have reddish tindg. So I'd guess you have too much sun.
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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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04-25-2007, 08:11 PM
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Senior Member
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Join Date: Mar 2007
Zone: 6a
Location: Southern Ontario
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Quote:
Originally Posted by dennis
my BRASSAVOLA nodosa requires high light, i have it hanging in the east window. the problem is that yesterday it appears that some of the leaf tips are a slight red colored like it is getting sunburn. is this color normal and i just nevered noticed before or something else |
Hey, good timing. I just read this today. Here's the excerpt:
Quote:
Short, yellow leaves too much light, floppy, long leaves too little light.
Medium to light green leaves, standing erect correct amount of light.
Reddish pigmentation is produced by some plants in the upper range of the correct amount of light. Slight reddish tinge is usually a sign of good light conditions. Heavy reddish coloration indicates light is too bright.
Dark brown spots or yellowed areas on leaves may be sunburn – caused if temperature of leaf rises too high – leaves should not feel hot to touch
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Hope this helps!
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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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04-25-2007, 08:29 PM
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1 Orchid,2 Orchid, 3 ...
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Join Date: Apr 2006
Zone: 5a
Location: Quebec, Canada
Posts: 2,580
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My nodosa's are red in pigment, this is the way I get them to flower. One thing for sure I've noticed, the newer growth has more redish coloration then the mature growth.
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Gloria
"If you don't ask, you'll never learn"
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04-25-2007, 08:52 PM
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Orchid Poor Member
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Join Date: Oct 2006
Zone: 6b
Location: Maryland
Posts: 383
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I've been growing Nodosa's for years, indoors and in a greenhouse. The red tint is a good thing and will probably flower nicely for you under your current light conditions.
Tess
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04-25-2007, 08:59 PM
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1 Orchid,2 Orchid, 3 ...
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Join Date: Apr 2006
Zone: 5a
Location: Quebec, Canada
Posts: 2,580
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Tess, That is fabulous!! It must smell amazing 
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Gloria
"If you don't ask, you'll never learn"
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04-25-2007, 09:34 PM
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Senior Member
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Join Date: Jan 2007
Zone: 3a
Location: Edmonton, AB, Canada
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Whoa! That is a great blooming!
 I think the red leaves are a good thing
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Fren
Orchidacea are the largest and most diverse of the Angiospermae, and includes 800 genera and 30 000 species
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04-25-2007, 09:51 PM
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Orchid Poor Member
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Join Date: Oct 2006
Zone: 6b
Location: Maryland
Posts: 383
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Thank you!! She's one of my favorite plants.
Let them go dry too, don't over water.
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