Hydrangea serrata 'SMNHSI' (FLAIR&FLAVOURS® FROZEN SMOOTHIE is a truly unique hydrangea that produces flowers both at the top of the branch and along the entire stem. It flowers from spring until the first frost with large umbels that are either pink (neutral/alkaline soil) or lavender blue (acid soil). Vibrant dark red leaves in autumn make FROZEN SMOOTHIE an attractive plant for the garden or patio from spring to autumn. This Hydrangea is bred by Mr T Wood of Spring Meadow Nursery from Grand Haven (USA), plant breeders' rights protection has been applied for. The plant was submitted for novelty testing by Valkplant BV from Hazerswoude-Dorp.