Prunes usually bloom in May each year and mature in August-September. It is a fruit in summer and autumn. French plum is generally listed in the middle and late August of each year (Beijing area).

Hong Ximei, if it is in Beijing, is generally listed in the middle and late August of each year; If it is in Shandong, it will be listed in mid-August every year. Blue honey prunes are generally listed at the end of August each year (Beijing area).

Stanrexime is generally listed in mid-September every year (Beijing area). Plum blossoms are generally listed in mid-August every year (Beijing area). The goddess plum blossom is usually listed around mid-September every year.

Richard was born early and usually goes public in early September every year (Xiong Yue area). Lake Macy is generally listed in late August every year and lasts until late September. Juzaoximei is generally mature and listed in mid-July every year.

Introduction to pruning features:

The ebony fruit is ovoid to oblong, with a diameter of about 1-2.5cm, and usually has obvious lateral grooves. The color of the peel is divided into red, purple, green, yellow and blue, and the surface is covered with fruit powder, which is generally grayish white.

The pulp is usually yellow and a few are green (for example, Richard was born early). The pulp falls off or becomes sticky. The stone has a broad oval shape, a sharp top, a smooth surface, ups and downs or slight honeycomb protrusions.

In China, prune planting areas are mainly concentrated in Xinjiang. In the United States, prune growing areas are mainly concentrated in California. It is understood that by 1900, the planting area of prunes in California is as high as 90,000 hectares, and the total output of prunes accounts for 99% of the total output of prunes in the United States and 42% of the total output of prunes in the world.