Floral trends are one of the fastest evolving design aspects of weddings. There are certainly those classic looks that are here to stay but there's a new look on the block that has quickly earned its spot as a top wedding trend with staying power: dried floral installations. It's easy to see why: they create ethereal settings, last well beyond the wedding day (how's that for staying power?), and are more cost efficient than fresh flowers. Creating a dried floral installation – whether…