Cymbidium bud blast symptoms?

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Hello,

I am new to orchid growing and am trying to grow a cymbidium in Wisconsin. It was outdoors all summer under a lilac bush where it got dappled sun all day (the bush is trimmed like a tree so it did get some sun) until the temperature regularly got down to 30. The instructions I have say to fertilize it with 30-10-10 from February through July and 10-30-20 from August until it starts to bloom, using the fertilizer every other watering, which I did.

In November I brought it indoors and put it in the coolest room I have in the west window, watering it once a week. It made a huge flower spike with 14 buds and then just sat there for a month and a half.

It didn't seem like the buds would open in the cool temperatures (55 during the night and low 60's during the day) so I brought it into a warmer room (high 60's during the day and low 60's at night and put it in the south window. There are also large west windows in that room.

I gather this was my mistake because the buds started to turn red at the base of the bud and then the bud stem turned yellow and all the buds eventually fell off without opening.

Is this bud blast? What should I do in the future? How long does it normally take for the buds to open? The cymbidium is now making new leaves. Thanks for your help.