I have one which I've grown and bloomed for at least 5 years, in my living room in NY. No special treatment. It grew under Phal light or lower and bloomed on and off throughout the year. My house was cool in winter, summer I grew it in a screened, bright sunroom or outside in bright shade.

BTW, I did not provide any extra humidity. It grew in normal household conditions.
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Jane

Grow and bloom Vandas without difficulty, same with angreceums. No Aerides yet. Have them in a Greenhouse with night temps down to 55F. Lots of light, hanging just under the roof getting the most light possible. (Vandas that is, not the Angrecoids). They are growing bare-root and I have the watering hose parked in their area. Whenever I'm in their area, I hose them off. This may happen several times a day or once every 2 to 3 days depending on my presence. I have no hesitation to leave for the weekend and let them get dry for a maximum of 4 days but normally they get watered multiple times every day.

Nick

Try to increase the night time temperature by five more degrees and humidity to 80%. Does it has enough light? Show us your growing area. May be we can help.