Ivory White Wedding Hydrangea Flowers are famously versatile, and perfect for nearly any occasion. Hydrangeas are made from small, four-petaled flowers, which are all clustered together on a single stem. This gives the illusion of one large, fluffy white bloom that is ideal for making elegant and beautiful classic arrangements. Bunch together stems of hydrangeas for airy centerpieces, or pair with blooms like new love baby's breath, eskimo white roses, and white spray bulk roses.