Shop for fresh watermelon from ALDI. Watermelon is a refreshing summer treat that can be enjoyed alone, in salads, and even blended in a delicious fruit smoothie. However you choose to enjoy, discover fresh produce and fruit options at an ALDI near you. How to Pick a Watermelon When selecting a watermelon, choose a symmetrical one with dried stems and yellowish undersides. Watermelons should be dark green in color and relatively heavy in size.