Cascading Silk Bouquet with Roses and Wisteria Flowers - Cream New from Balsa Circle - ready-made bouquets with roses, hydrangea, tulip and wisteria silk flowers! Each order is for one (1) silk bouquet. Each bouquet is made with approx. 8 roses, 1 hydrangea, 1 tulip flower and 3 cascading wisteria flowers. Each bouquet measures approx. 8" wide in diameter and 10" long frop top to the bottom tip of wisteria flowers.. The green stems are tied together with green rope.