White Hydrangea - Select Grade. Ideal medium cup flower  5,5 - 6,7 in  (14-17 cm), perfect for simple and elegant arrangements.  White Hydrangea - Premium Grade Large cup 7,0 - 7,8 in (18-20 cm), sophisticated and versatile flower for events and floral designs.  White Hydrangea - Jumbo Grade High impact flower with extra large cup 8,2 + in (21+ cm), ideal for luxury decorations. White Hydrangea in Select, Premium, and Jumbo grades 5.5 – 8.2+ in (14–21+ cm), offer pure White tones and elegant structure, ideal for floral arrangements, events, bouquets, and luxury decorations with lasting visual impact.