When is St Patrick's Day? St Patrick's Day is always on March 17th. Select from our St Patrick's Day accessories and promotional products for your next St Patty's Day party. Choose from our green Irish or shamrock items with your personalized logo imprint on them. We can also create custom St. Patrick's Day T-Shirts and custom printed St Patrick's Day accessories and decorations for your party. Can't find the items you're looking for on our website? Contact us now for inquires about our vast selection of products!