When Does The Shamrock Shake Come Back 2025. Mcdonald's highly anticipated shamrock shake and oreo shamrock shake are making their seasonal comeback, with the minty treats rolling out nationwide starting february. The seasonal shamrock shake is back at mcdonald’s nationwide, including locations in connecticut.

Mcdonald’s just brought back its vibrantly iconic shamrock shake and oreo shamrock mcflurry for a limited time. Mcdonald’s shamrock shake officially has a release date for 2025.