Watermelon Empire No. 2 is a variety of watermelon that is known for its large size, sweet flavor, and thin, tough rind., Depending on the growing conditions, Watermelon Empire No. 2 seeds can take anywhere from 80 to 100 days to mature and be ready for harvest., Watermelon Empire No. 2 is known for its resistance to certain diseases and pests, which can help ensure a successful harvest.