I grow mine in an east facing window, no direct sun, water when the medium is slightly dry (by spraying the top of the medium, untill it is wet, as the roots of this species do not go deep), I fertilize every week, with 8-12-12 fertilizer. About 68 F during the day, and 54 during night, 65% humidity. I don't think it is in a poor growing environment. The roots are ok, checked them last week.