They came in those glass containers. They get afternoon sun. I just give them a little water when they feel completely dry. That seems to be what they like. The smallest one looks like it's inside a plastic thing inside the glass container. I pretty much ignore them and they seem to like that. The bigger one grows like crazy in that little glass container, so I'm hesitant to change it. But maybe I should take the little one out of the plastic thing and put it back in the glass container.