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  #1  
Old 05-29-2016, 12:47 PM
Orchid dreams Orchid dreams is offline
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Sun burn cattleya Female
Default Sun burn cattleya

My cattleya was left out in full sun for a few hours on our first 90 degree day. The leaves have all turned black. How ever the feel of the leave has not changed. Do you think I will lose it? Any life saving suggestions?

** I was not the one who put the plant in full sun. Someone thought they were being "helpful"
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Old 05-29-2016, 02:14 PM
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estación seca estación seca is online now
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We aren't judging! It was a learning experience. Your plant will probably survive unless the rhizome was also burned. The plant will make new growths from the base. It will likely not bloom for a couple of years, though.

Those leaves are dead. Mild sunburn causes light brown patches that soon dry to a papery consistency. This would be no long-term problem. Severe sunburn causes leaves to die before drying out. They are still wet, and at risk of invasion by fungus.

I would cut off the leaves where they attach to the pseudobulb. If any of the leaves are black toward the tip and green closer to the pseudobulb, I would leave the green part of the leaf.

Cut just into the bright green. Dab cinnamon powder on the cut surface. Let the plant sit in the shade for a few days, and be sure it is completely dry before watering again.

Then resume watering. It should begin making new growths this summer. Remember a plant with no, or only a few leaves, cannot use as much water as one with a full set of leaves. It will not need watering as often now.
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  #3  
Old 05-30-2016, 09:39 AM
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Yikes! That sucks! Any pics?

The above advice is excellent, BTW.
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