Good Day, I have come across a collection of assorted orchids that I am trying to rehab. They are in SW Florida, outside under a canopy of Areca Palms or in a screen enclosure. I am attaching several photos of specific plants I am having trouble nailing down as to the problems. I know there are many smart people on this forum, so any and all ideas are welcome and appreciated. I will respond to all questions. Thanks for the help
They almost all are healthy, but underwatered. The Phalaenopsis has a spot on the leaf that might be fungus, sunburn or something resulting from insect damage. The Phal must have full shade in your climate.
I would move the Phal to shade. The others need watering more often. The white spots near the crease of the Cattleya might be fungus growing on the leaf but not into it, or maybe lizard droppings.
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I agree with ES that the spot on the Phal maybe fungal... I would suggest removing that part of the leaf, using a single-edge single-use razor blade. The other plants should do fine outside in your climate, but I think the Phal needs to come inside, at least for another month or so It may have gotten too cold, Phal violacea needs to be warmer than a lot of other Phals, probably would best kept above 68 deg F (20 deg C) at the lowest at night. Once you get into your Floridian summer it would be fine outside, in the shade.