Ok, but what happened to that colony? Does Rick know about it?
Rick doesn't know about it because Tara made them a promise not to tell anyone......it was for their safety.
I suspect they will eventually come in to play since they're the only group with firearms......
It is still there, the story hasn’t revisited it. Tara swore she would never reveal their existence. But knowing about their gun stash, she might just spill the beans?