Lots of good insight from everyone else. I would just say increase temps to above 75, along with higher humidity. If it is stressed, you don't want to prolong its winter slow period and give the stress a foothold. Raising the temperature along with humidity will give it a chance to start growing out of this stress damage. :)

My heating bill is already higher than I like it to be, so I am not going to turn my thermostat up.

I do have a 20 gallon aquarium that I could place him in. What kind of heater, and where do I find one? I think I have a lighted cover for the tank, but the tank wouldn't fit on the window sill. So this may not be enough light

Thanks leafmite, we definitely have different temps to deal with, so I guess I will just keep doing what I am doing. The thing that drives me crazy about orchids is always wondering if there is something I could be doing better. That's what makes this board so valuable, everyone sharing what works for them. But sometimes, ignorance is bliss too!

Hi Plantluvver! I'm just like you. My b. cordata is not doing well in clay pot with coarse soil. Only have two good leaves left, right now. It's in small cedar basket, no potting media. They don't do well in pot from what I've heard. Even thou, I live in west coast Florida. I'm hoping mine will get better soon. I wish you the best. :)
I have a question.... Did someone say that cattleya do have red spots from cold??? I thought it meant too much sun? My GOK cattleya do have red spots.



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Thanks for posting, everyone.