Love this idea! I would have more than one glow stick on hand in case one doesn't put out enough glow. I would also put the glow sticks in sealed plastic baggies for safety in case they opened up. This site has several good ideas for Halloween.
X - Sherri Cassara Designs: Newland Barn Wedding. This might be a good idea. Get some cheap blankets in the early spring. I don't think it'll get that cold at night but I want people to be comfortable.
Oh, how we're loving gold this season! With gold, you can lean towards the luxury and feel of a Great Gatsby themed wedding, or you can go for a more whimsical Kate Spade bridal theme with a gold polka-dot motif. Either way, you can't go wrong!