Need help

[Neffmau5]

I have two plants that don’t have flower growth. And on does outside plants. No maintenance. Is the one without flower a male ? Tall thick stalk no flower. One bushy no flower. Other has nice flower growing. Help me out

 

[Jungle Joseph]

Got any pics? I probably won't be much help, but someone will.

 

[Phytoplankton]

If it has no flowers, there’s no way to be absolutely sure. An outdoor plant shouldn’t be in flower now (could have few pistols at the nodes) unless it’s an auto, or not getting enough light or your in the Southern Hemisphere . Pics might help.

 

[013]

Our crystal ball is in the shop for repairs, however pics will definitely help