After just a few growing seasons, your 20th Century Asian Pear Tree will reach an age at which it is mature enough to produce flowers and fruits. The first few harvests that this tree provides may be somewhat small. However, over the years, this plant shows an incredible ability to increase its fruit production dramatically. Year-to-year, the harvests, a 20th Century Asian Pear Tree can produce, may double or triple. By the time this plant is mature, you can expect its harvest to be massive.