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That is a good reminder, raybark, regarding new plants and their introduction to their new environment. This is a lesson learned a long time ago. I cannot emulate the plant's environment before I purchased it, that wouldn't impact its acclimatization to my environment. Often times, if the plant is in bloom, flowers and flower buds terminate. My experience with Neofinetia in my environment is that it usually takes an entire year for it to resume what I expect.
A side note, it seems that new plants acclimate quicker when they are purchased in the Spring time when harsh winter weather has passed. At least that is for my geography: Fort Wayne, Indiana.
When I lived in Louisville KY, a grower there - anyone remember Ward Helphingstein? - recommended that you only buy plants from growers north of you, as the conditions will improve, coming to you farther south.
I'm sure there was something to that, but I have found it not to be universally true.
I noticed that your leaves look on the dark side. Usually that is a general light-level indicator.
The trigger for blooming in Vandas - and many other vandaceous plants too - e.g. phalaenopsis, is temperature drop.If they are growing well, then take some to a cooler place - a drop of 10 degrees C would be fine - 5 might work, too. A few days ( or nights for example) is usually enough to initiate the flowers, then take back to the warmth and stand back and wait. But not many of those I can see in your pic look big enough. I had a couple of hundred large flowered Vandas at one time, and really big strong plants capable of doing two spikes at once, were 40 or 50 cm high. They did not flower from any of the top 3 or 4 pairs of leaves , so my practice was to pick out plants where the last spike was 5 pairs down, and hang outside for a week - not in the UK winter, but any time when the night time temperature was expected to be in double figures - above 10 C. 3 out of four would respond with a spike visible within a month. Hope this helps !
I have the set up in the dinning room, it gets cooler than the rest of the house. I have no trouble blooming cattleyas and Neos. in that room.
It looks your Vanda trees color too dark Green. For blooming it require light Green color leaves I suppose.