A decorated wedding trellis is a beautiful backdrop for a wedding altar. They look stunning for a garden or outdoor wedding, but would also make a lovely addition to an indoor ceremony. Decorating a wedding trellis is easy to do, but give yourself some time to accomplish the task in case you need to make quick trips to the store for extra supplies. How to Decorate a Wedding Trellis | Our Everyday Life Please note: You are currently browsing img this one is 5 feet tall by 3 feet wide and is made of 34 that is 1362x1811px in size. This image is listed in garden trellis decorations category. How to Decorate a Wedding Trellis Our Everyday Life, 1362x1811 in 950.21 KB.