Sonic Launches New Sour Shamrock Slush for St. Patrick’s Day

Get ready for a festive treat! Sonic is celebrating St. Patrick’s Day with their brand-new Sour Shamrock Slush. This vibrant green drink features a tangy green apple slush bursting with sour popping candy and topped with fluffy whipped cream and a fun rainbow candy strip. It’s a delicious way to celebrate the holiday. Grab this limited-time offer for just $3.99 but hurry it’s only available for a short time!

How to Get This Deal

Ready to try this unique St. Patrick’s Day drink Here’s how you can snag the Sour Shamrock Slush before it’s gone:

1. Find a participating Sonic Drive-In near you.
2. Visit Sonic any time from March 2, 2026 through the end of March 2026.
3. Simply order the Sour Shamrock Slush. This limited-time flavor is only offered in a 20-ounce size for $3.99 while supplies last.

Want more ways to save?

Loving the idea of tasty treats and smart spending? Don’t miss out! Explore all the latest deals we find daily or check out our food coupons for dining savings. Become a member to get the freshest offers first!