Our cocktail hour is held in a large greenhouse at our venue that is a separate room from the ballroom for our reception. I just realized that I haven't gotten anything to put on the tables at the cocktail hour. It's 9 of the high top tables without chairs and then two larger tables with chairs. The greenhouse is obviously all glass and looks out onto the gardens of our venue and they also have plants inside the greenhouse all around the edge of the room. I have a few other décor pieces for this space (a couple of cute little signs and such). Do I need to get additional centerpieces for these tables or do you guys think it would be fine to leave them plain since the space already has a lot of natural décor?