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  #1  
Old 01-04-2020, 09:55 AM
Princy10 Princy10 is offline
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Potting Orchid Seedlings
Default Potting Orchid Seedlings

Hello.
I bought 14 orchid seedlings(13 dendrobium and 1 oncidium) and potted them in 3 inch net pots with coconut chips as the potting medium.
It has been over a week. Some of them seem to be doing well. But as for 5 of my plants, I noticed slight yellwing of leaves. Also, there are some parts of the leaves where there are dehydrated patches.
I am worried about their health as it is my first time with orchids.
Please help me out with it.
P.s. I have uploaded some images of the plants.
Thanks
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Potting Orchid Seedlings-img_20200105_192315-jpg   Potting Orchid Seedlings-img_20200105_192307-jpg   Potting Orchid Seedlings-img_20200105_192255-jpg  

Last edited by Princy10; 01-05-2020 at 10:29 AM..
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  #2  
Old 01-04-2020, 04:13 PM
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fishmom fishmom is offline
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Welcome, Princy10. Can you give some information about your growing conditions: temperatures, air flow, watering, humidity, the size of your coconut chips? Also, pictures will help some of the experts here give better guidance.


As a guess, I'd think that coconut chips in net pots might dry out pretty quickly. How often are you watering, and how are you monitoring the water needs?
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  #3  
Old 01-05-2020, 12:21 AM
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Fairorchids Fairorchids is offline
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You have not told us how small or large the seedlings are.

Very small seedlings (straight out of flasks) need VERY high humidity, LOW light and temperatures a bit higher than mature plants of the same genus.

At that stage, I prefer community pots. Nurseries with large scale production tend to use plug trays.

After 10-15 months, they are ready for individual pots, the larger ones going into 3" pots, the smaller ones into 2" pots. Standard greenhouse humidity & temperature is fine at this stage, but I still keep them in slightly deeper shade for another year or so.
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  #4  
Old 01-05-2020, 10:16 AM
Princy10 Princy10 is offline
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Quote:
Originally Posted by fishmom View Post
Welcome, Princy10. Can you give some information about your growing conditions: temperatures, air flow, watering, humidity, the size of your coconut chips? Also, pictures will help some of the experts here give better guidance.


As a guess, I'd think that coconut chips in net pots might dry out pretty quickly. How often are you watering, and how are you monitoring the water needs?
Hi. The temperature here ranges between 60 Fahrenheit to 74 Fahrenheit. The air circulation around the plants is pretty good.
From what I read, Orchids should be watered once in winters. I bought these on 1 January. That's when I potted and watered them. Finally, today i.e after 4 days, i watered them again. Humidity is about 60%.
The coconut chips are small in size, roughly between 0.5 inch to 1 inch in length.

As I was worried about the plants not doing well, I added a small amount of perlite to the mix.
I'll be uploading some pictures of the plants.
Hope that'll help with analysing with the problem they have.
Thanks

---------- Post added at 07:46 PM ---------- Previous post was at 07:44 PM ----------

Quote:
Originally Posted by Fairorchids View Post
You have not told us how small or large the seedlings are.

Very small seedlings (straight out of flasks) need VERY high humidity, LOW light and temperatures a bit higher than mature plants of the same genus.

At that stage, I prefer community pots. Nurseries with large scale production tend to use plug trays.

After 10-15 months, they are ready for individual pots, the larger ones going into 3" pots, the smaller ones into 2" pots. Standard greenhouse humidity & temperature is fine at this stage, but I still keep them in slightly deeper shade for another year or so.
Hi. The seedlings are about 6-8 inches in height. I'll be uploading the pictures for clarity.
Thanks
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  #5  
Old 01-05-2020, 10:26 AM
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Fairorchids Fairorchids is offline
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At 6-8" in height, I would categorize them as large seedlings (unless they grow to 3'+ at maturity).

You can treat them pretty much as mature plants, though I tend to water them a bit more (young plants do not like to dry out).
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Kim (Fair Orchids)

Founder of SPCOP (Society to Prevention of Cruelty to Orchid People), with the goal of barring the taxonomists from tinkering with established genera!

I am neither a 'lumper' nor a 'splitter', but I refuse to re-write millions of labels.
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  #6  
Old 01-05-2020, 10:32 AM
Princy10 Princy10 is offline
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Quote:
Originally Posted by Fairorchids View Post
At 6-8" in height, I would categorize them as large seedlings (unless they grow to 3'+ at maturity).

You can treat them pretty much as mature plants, though I tend to water them a bit more (young plants do not like to dry out).
Hi. Could you please check the images and tell me what part of the care am I missing?
They are placed near a window where they get mild sunlight for 4-6 hours.
It does get a bit cold at the night but the temperatures have improved.
Thanks
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