Drying out Dendrobium, yellow leaves dry roots
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  #1  
Old 02-15-2010, 11:20 AM
Brandyb Brandyb is offline
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Default Drying out Dendrobium, yellow leaves dry roots

I purchased a Dendrobium in October and it was very happy and flowering. The blooms fell off and there was a lot of new growth at the base of the plant. Subsequently new shoots came up and new flower buds came on, but before the buds could open all but one of the buds dried up and fell off. Now all of the growth at the base of the plant is dried up and the leaves have been yellowing and dropping off one by one. I have been fertilizing, changed location to a sunnier one, and watering every week to two weeks when the soil feels dry. The roots look like they are browning and drying up.... Please help!!! I really want to try to revive this plant!
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  #2  
Old 02-15-2010, 11:38 AM
nutgirl nutgirl is offline
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Welcome to Orchid Board!

Sorry about your Dendrobium. Is it possible to post pictures? It would really help.

Maureen
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  #3  
Old 02-15-2010, 01:22 PM
King_of_orchid_growing:) King_of_orchid_growing:) is offline
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First of all, hi!

Okay, on with the show...

Quote:
Originally Posted by Brandyb View Post

I purchased a Dendrobium in October and it was very happy and flowering.
I have to stress this point, please don't take offense.

Flowers are the plant's reproductive organs (flower = plant genitalia).

They are not the best indicator of a plant's overall health. They can be one form of indication. But it's not indicative of a healthy plant.

I'm going to make an analogy here...

When you catch the flu, do you look at your own genitalia and say you're all good?

I'm sure you don't.

You've still got a fever. You've still got a runny nose. You still feel weak. Just because all the parts of your privates are there and they work fine, doesn't mean you're free from the symptoms of the flu.

Like I said don't take offense, it took me a while to get it too. I had to change my plant selection habits just like everyone else does.

Quote:
Originally Posted by Brandyb View Post

The blooms fell off and there was a lot of new growth at the base of the plant. Subsequently new shoots came up and new flower buds came on, but before the buds could open all but one of the buds dried up and fell off. Now all of the growth at the base of the plant is dried up and the leaves have been yellowing and dropping off one by one.
Okay...

Can you post what the cultural parameters are?

Light?

Temperature range?

Humidity?

Air movement?

What kind of pot are you using?

What kind of water are you using? RO/DI? Distilled? Tap?

What kind of fertilizer are you using? Brand name? N-P-K ratio, please. What type of nitrogen does the fertilizer utilize? Urea? Nitrogen? Ammonia?

What kind of Dendrobium is it (if you know). If it's a NOID (aka no ID) Dendrobium, do you have a pic of the flowers?

Quote:
Originally Posted by Brandyb View Post

I have been fertilizing, changed location to a sunnier one, and watering every week to two weeks when the soil feels dry. The roots look like they are browning and drying up.... Please help!!! I really want to try to revive this plant!
Don't panic. Keep your cool and take it one step at a time.

1. First step is to leave it in one location! Moving it around stresses it out. It has to adjust to each place you put it in.

2. Second find a location that has moderate to bright indirect light.

3. Third step is to have the temperature range be around (60 F - 90 F).

4. Fourth step is to get the relative humidity to be about 60% or higher.

5. Fifth, and this is actually pretty important...

Give it some air circulation. You don't have to simulate a gust of wind like a storm, but a gentle breeze.

Try to post a pic, and we'll go from there.

Last edited by King_of_orchid_growing:); 02-15-2010 at 02:13 PM..
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  #4  
Old 02-15-2010, 01:36 PM
dounoharm dounoharm is offline
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hi and welcome!
dont forget to mention what media your dend is in...ie, moss or bark mix.....
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  #5  
Old 02-15-2010, 01:44 PM
King_of_orchid_growing:) King_of_orchid_growing:) is offline
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Quote:
Originally Posted by Brandyb View Post

...watering every week to two weeks when the soil feels dry...
I forgot...

You said soil.

Are you growing in potting soil? This is a BIG no-no!

Dendrobiums are epiphytes (they grow on trees).

Dendrobium is Latin for "tree life", aka "tree dweller".

Here's the breakdown of the genus name:

Dendro: from the Latin word dendros - meaning tree.

bium: from the Latin word bios - meaning life. It's the same "bio" from the word biology.

Last edited by King_of_orchid_growing:); 02-15-2010 at 01:51 PM..
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  #6  
Old 02-15-2010, 01:53 PM
King_of_orchid_growing:) King_of_orchid_growing:) is offline
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I know these are not exactly your Dendrobium type, but I wanted to show you Dendrobiums in the wild:

http://farm4.static.flickr.com/3148/...cae87f.jpg?v=0

http://www.orchidspecies.com/orphotd...draphyllum.jpg

http://images.google.com/imgres?imgu...M5XyswO4icXLCA

http://www.rv-orchidworks.com/orchid...p-borneo-s.jpg

Just to prove I'm not lying.

Last edited by King_of_orchid_growing:); 02-15-2010 at 01:56 PM..
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  #7  
Old 02-15-2010, 07:04 PM
Brandyb Brandyb is offline
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I am having trouble getting a good photo this evening. Please let me know if you need better photos.

I have the plant in a window facing Southeast. It is in a plastic pot that is set into my clay pot because I thought I shouldn't repot until blooming is finished. The temps range from 65-70 degrees. I have been watering when it is dry between one and two weeks between waterings and fertilizing with Schultz Orchid Food. 19-31-17
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  #8  
Old 02-16-2010, 12:32 AM
King_of_orchid_growing:) King_of_orchid_growing:) is offline
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Quote:
Originally Posted by Brandyb View Post
I am having trouble getting a good photo this evening. Please let me know if you need better photos.
Did you post any pics? I don't see them.
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  #9  
Old 02-16-2010, 09:22 AM
Brandyb Brandyb is offline
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Sorry... pictures are up now. I didn't have time to figure out how to post them last night. They are all in my picture gallery.
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  #10  
Old 02-16-2010, 09:28 AM
Brandyb Brandyb is offline
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Wow on the orchids in the wild! That is definitely NOT New Jersey!

As far as my potting medium... My plant is still in the container that I got it in because it hasn't stopped flowering. It looks like a bark mix. It is kept in my office with moderate temps and no breeze. I will work on that.
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