Mexican Sour Gherkin Cucumbers look like miniature watermelons but have a very sweet cucumber flavor combined with a tangy sourness. This variety yields a bounty of 1-inch cucumbers that have a thin rind and a very small seed cavity. Mexican Sour Gherkin Cucumbers are perfect for salads, snacks, and pickling. Mexican Sour Gherkin Cucumbers look like tiny watermelons but have a cucumber-like taste with a touch of lemon. They can be eaten raw as a snack and in salads or preserved by pickling. This variety is easy to grow and has ornamental vines that have tiny leaves and flowers.