Dahlias are one of the most popular flowers for wedding centerpieces and bouquets. They come in a variety of colors and sizes, making them perfect for any type of wedding theme. Dahlias are also relatively easy to care for, so you can be sure your arrangement will stay fresh throughout the day. If you're looking for a unique dahlia arrangement, you can't go wrong with mums, ball dahlias or decorative dahlias. All of these varieties add an extra touch of elegance to any wedding setting.