Cymbidiums with yellow leaves
G'Day all, this is my first post on the forum so please be gentle.
I have a small (but precious) collection of mostly cymbidiums with a couple of zygos thrown in, and they have had a very healthy and strongly growing summer (in Oz) and are now starting to spike - you can see a spike on one of the cymbids in the second last picture and one on a zygo in the last.
But you can also see a number of yellow leaves right? I've always understood that the occasional yellow leaf was a normal part of the plants life cycle but right now I have at least one yellow leaf on almost every plant!
So my questions are; is this normal? If not, is it a watering issue or a fungal thing?
Finally, given the flower spikes on some plants, should I stop feeding now or wait until all the spikes are up?
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