Im not 100% positive but I think I saw a male can polinate like a mile or two away. Im not sure about a hermi but I would imagine its the same. As for hermis they are very common. Some people will do like I said and seperate them and let them polinate themself such I belive makes feminized seeds if done a certain way, but most people just chop them down. As for your seeded bags that will usually come from large grow opperations, usually a mexican field, where hey don't seperate males and females which produces ALOT of seeds