Discoloration on my Vanda

[Rothrock42]

I've had this Vanda Fuchs Ruby since last November. Since January/February I've been growing it in a large glass vase with no media. Every couple of days filled with water and soaked for a 15 to 20 minutes before dumping out.

It has got some discoloration on one of the more recent leaves. At first (a week or two ago) it was just slightly light green and I thought it might be just some mechanical damage. But now I'm not so sure.



Vase sits in a west window and gets good light -- don't know if it is enough to bloom

Lots of great root growth since I went to vase culture.

It has grown a couple of new leaves since I got it and this is one of them.

[Orchid Whisperer]

Possibly incipient fungus such as Phyllosticta. If true, the elongated yellow patches will eventually turn black. supply calcium and if it shows other signs of fungus, use a fungicide such as Cleary's. Gradually increasing the light if you can.

[Rothrock42]

Thank you for the advice. I started using MSU type fertilizer with calcium awhile ago but will be sure to continue.

It already gets all the light I can give it. I'm moving this weekend and maybe in my new place I can work out something better.

At what point would I need to remove the leaf? If any.




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