Trap question

[Mac]

First I have two flytrap in my bedroom.I don't know why all the trap are very small and turning black. Sometime it not open.Can you guy tell me why?

 

[Alvin Meister]

Hi Mac.
The traps will turn black after a few months and they are replaced by new traps being grown. If it's happening all at once, make sure they are sitting in a saucer full of distilled or rainwater only, they are on a sunny windowsill and you are not near an air conditioning unit.

 

[Kyle6002]

I think your question would be better ansered if you gave us more specifit details like where how mush water sunlight wind temps humidity and how long youve had it