“暑宝”是北京市农业技术推广站最新育成的中熟无籽西瓜新品种，具有优质、高产、稳产、抗逆性强、适应性广等特点，全生育期１０５天左右。雌花开放到果实成熟需３３天左右。植株长势中等，第１雌花着生在第６节前后，雌花间隔５～６节，极易坐果。果实呈圆形，瓤色红，肉质 “Summer Treasure” is the latest maturing new seedless watermelon cultivated in Beijing Agricultural Technology Extension Station. It has the characteristics of high quality, high yield, stable yield, strong resistance and wide adaptability. The whole growth period is about 105 days. Female flowers open to the fruit mature takes about 33 days. Plant growth medium, the first female flowers born before and after the first 6, female flowers interval of 5 to 6, very easy to sit. Fruit is round, red color, fleshy