I used a mix of herbs, citronella candles, and decorative plants to fill them with. These are great I your a wine-o like me and need something for a boring blank wall like this! - My Crafts Your Crafts
garden wall made of recycled bottles, diamond drill bit for glass and some steel poles and you could easily make one of these yourself. I think I might start saving all of my wine bottles for a garden gate next year.