Steam the canned pineapple for 15 to 20 minutes. Canned pineapple can be eaten after steaming it in cold water for 15 to 20 minutes. Pineapples will begin to appear in March and can be eaten until August. The pineapples from June to August are the most fragrant. Pineapples usually have four harvest seasons: spring fruits, which mature from April to May; summer fruits, which mature from June to July; autumn fruits, which mature from October to November; and winter fruits, which mature from December to January of the following year. Pineapple: Because the top leaves are like phoenix tails, and the flesh smells like pear, it is also called pineapple. It is a tropical plant of the Bromeliaceae family that likes hot, humid places. Pineapples came to China from distant South America between the end of the 16th and the 17th century (estimated: 1590 to 1699). In Guangzhou, pineapples have top leaves like phoenix tails, and the flesh smells like pears, so they are also called pineapples. It is a tropical plant of the Bromeliaceae family that likes hot, humid places. Pineapples came to China from distant South America between the end of the 16th century and the 17th century (estimated: 1590 to 1699), and settled in Guangdong, Guangxi, Yunnan, Fujian, Taiwan and other places.