Opinions wanted:  yellow leaves on Bulbophylum Phalenopsis
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  #1  
Old 05-22-2024, 08:12 PM
Itr_hybrid Itr_hybrid is offline
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Opinions wanted:  yellow leaves on Bulbophylum Phalenopsis
Default Opinions wanted: yellow leaves on Bulbophylum Phalenopsis

Hi folks,

I have several leaves turning yellow on a plant I have had for years.

The leaf on the top is getting too much light and shows some sunburn. The other leaves are older leaves that were damaged a long time ago and I cut them short.

Historically I watered it by carrying to a sink and the leaves got beat up. More recently I have started watering in place.

Watering routine: Weekly K-lite (1 TBS per 5 gallon bucket with 1/2 TBS of Cal/mag thrown in). Mid week spraying of RO water to moisten.

Lights are high power led on for 14 hours a day.

It is possible it got too dry a few weeks back (out of town…) but would like expert opinions on does it look overwatered, underwatered, or just old leaves dying. Thank you!
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Last edited by Itr_hybrid; 05-22-2024 at 08:15 PM..
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  #2  
Old 05-22-2024, 10:10 PM
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estación seca estación seca is offline
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Opinions wanted:  yellow leaves on Bulbophylum Phalenopsis Male
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I don't have this. The people I know who grow it water almost every day and maintain high humidity. It's considered a deep shade plant.

14 hours of daylight is unneccessary and probably too much. 12 should be enough. New Guinea is about 5 degrees from the Equator and there will not be a lot of day length variation through the year.

Other Bulbos when underwatered drop leaves like that.
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Old 05-24-2024, 03:57 PM
Itr_hybrid Itr_hybrid is offline
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Opinions wanted:  yellow leaves on Bulbophylum Phalenopsis
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Thank you. I appreciate the input and the suggestions. When other bulbos have leaves yellow like that, do the leaves ever recover or stay yellow?
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Old 05-24-2024, 04:18 PM
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Opinions wanted:  yellow leaves on Bulbophylum Phalenopsis Female
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Can't speak to this Bulbophyllum, I don't grow the species. But in general, once leaves develop problems those don't go away. Your goal is to make sure that the newer ones are healthy. Don't cut ugly leaves - when the plant no longer needs them, they'll drop naturally but in the meantime, they're still contributing.
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