McDonald's Shamrock Shake is coming back. Here's when you can get one and the new Oreo Shamrock McFlurry.
2:00am PST - February 5th, 2020 st. patrick's day - USA TodayWhen is the Shamrock Shake available in 2020? McDonald's says Feb. 19 is the lucky day and the shake will be joined by the new Oreo Shamrock McFlurry.