The best garden wedding arch decoration ideas include the following: Building an arch with blooming and fragrant flowers Building an arch with blooming and fragrant flowers. A wedding arch is the most important feature of a wedding ceremony. So, it needs to be made with blooming flowers. The flowers that can be used for this purpose include The Best Garden Wedding Arch Decoration Ideas | ForGardening Please note: You are currently browsing img best of outdoor easter table decorations dream house that is 1631x1088px in size. This image is listed in best garden wedding decorations category. The Best Garden Wedding Arch Decoration Ideas ForGardening, 1631x1088 in 491.97 KB.