Lilies are an ideal focal flower for wedding bouquets and arrangements. Silk lilies are often used in cascading and floral bridal bouquets to create a flowing silhouette along with other silk flowers and plants. Among the flower bouquets of lilies, stargazer and Casablanca lily bouquets are the most sought after. Silk lilies are beautiful, well-loved flowers and come in several different shapes and colors that have different meanings. White lilies mean purity and sweetness; yellow lilies have the meaning of falsehood and gaiety and other meanings of regal and majestic; orange lilies mean passion. Lilies also symbolize humility and dedication and some of the lily varieties have several different meanings that are wide and varied. Lilies are the 30th anniversary flower and lilies of the valley are the 2nd anniversary flower.