Miltoniopsis not opening flower buds
Dear Orchid Lovers and Experts,
Greetings from the middle of the US. Few months ago (in september to be more precise) I purchased a beautiful miltoniopsis at an orchid show. She came with two spikes in bloom and two with buds. I am relatively new to orchid care, but decided to take the leap and get one of the more difficult orchids. She is now at the south window (together with other orchids) behind a sheer lace curtain. The leaves are fine, but the buds never opened. A week ago I got a humidifier as it gets really dry in the house and I felt that the orchids suffered (as well as two temperamental episcias), The miltoniopsis buds suddenly darkened, the stems went yellow, and all potential flowers went limp and died. Otherwise I water regularly, check the medium for moisture (and thus not overwater) and keep them at 68F. What went wrong? There are no changes otherwise to the outer appearance of the plant. I have not looked into the roots (I am terrified of disturbing it right now). Many thanks for your help and advice.
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