Shamrock Season 2026

McDonald's brings back the Shamrock Shake® and OREO® Shamrock McFlurry® starting Feb. 17 for a limited time. The Shamrock Shake blends vanilla soft serve with Shamrock syrup, topped with whipped cream. The OREO® Shamrock McFlurry combines vanilla soft serve with Shamrock syrup and OREO® cookie pieces. Both are seasonal and available at McDonald's for a limited time.