Garlic scapes are the curled flower stalks of hard-necked garlic, which is a family of garlic varieties that are grown in colder climates. These stalks are cut off by farmers to encourage better bulb growth. Pickled garlic scapes are an easy way to keep the lightly garlicky flavor of these garlic scapes around a little longer. These are easy "Refrigerator pickles, " Which means they require no heat processing, but they must be kept in the fridge.