Quote:
Originally Posted by bellini girl
Another great suggestion often given here on OB that I personally try, is to take the plant out of the pot and examine the roots. Usually that is a key to what may be wrong with the plant. If the roots aren't in good condition, they usually cannot take up any nutrition
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This suggestion is a good one. Particularly if the problems being experienced are recent. There's nothing wrong with checking the roots again to see if things have changed since the time you repotted.
Quote:
Originally Posted by RosieC
If it is sitll moist after two weeks I would start looking the other direction.
Maybe your plants are dehydrating because they are being kept too wet and then the roots have rotted.
Usually I would expect that if the medium is not drying completely in two weeks then it is not drying fast enough to avoid rot.
Have you taken a look at the roots? what condition are they in?
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Rosie took the words out of my mouth.
I've used Aussie Gold before. I still do for certain plants such as Oeceoclades calcarata because this species likes water.
Aussie Gold retains a lot of moisture. I mean a lot. You could take a cup of water, and a good portion of that water will be absorbed by the media.
Another thing with Aussie Gold is that if there's too much coconut coir in the media, it could suffocate the roots on your plant by not providing enough air circulation and by retaining too much moisture.
If I may, I'd suggest using a large grade bark medium instead. And if there isn't enough moisture, use a thin dressing of moss over the bark.
FYI, the roots on many orchids, Phalaenopsis included are photosynthetic. Another good suggestion others have made include using a clear plastic pot.
1. It allows photosynthesis to happen in the roots.
2. You can see what's going on.
Other methods of growing a Phalaenopsis that you may want to look into in the future is mounting them onto wood or using semi-hydroponics.
You can use still use the Aussie Gold when using the semi-hydroponic method, but I'd remove the coconut coir and just use the diatomite.
Other than that, I can't speak too much about the semi-hydroponics method, because I don't use it. There is a section here on the OB where you can read up on it and post questions there.
As for mounting the Phals, that's how I grow all my Phals.
The advantage of mounting is that there is control over how much water the plants receive, and they get to photosynthesize in their roots.
A disadvantage is how often you have to water them.
If you want to mount your Phals in the future, there's also a place on the OB where you get to read up about it and post questions. Just scroll down and you'll find it on the forum listings page.
Hope this isn't too much info in one go. Whatever you choose, I wish you and your plant the best.
Feel free to ask any other questions you may have.