Neonfinetia Tamakongo spikes keep aborting, any suggestions?

[camille1585]

I bought a nice little Tamakongo last winter, and in late May it started growing a spike, which grew enough to be just visible above the leaf axil, and then it died. I don't think this plant has ever successfully bloomed before, there are 3-4 other aborted spikes from previous blooming season(s).

Yesterday I noticed another new spike growing. Is there anything I can do to prevent it from dying as well? I always water carefully to avoid getting the plants wet, so I don't think that was the cause. Any advice welcome, I really want to see this one bloom since it's my only bean leaf!