Sorrel drink, Hibiscus tea, Agua de Jamacia, Zobo, Bissap and many more delicious beverages owe their pink color and tart, floral flavor to this beautiful calyx. It's also the star in many savory dishes. If you're using it for drinks it stores well in the freezer.
If you're making a big batch of something a few ounces just isn't going to cut it. Grab a pound at a discounted price. This isn't available all the time so stock up while you can.