The fringe tree blooms like snow, and it is also an excellent rootstock for grafting osmanthus

The fringe tree (Chionanthus retusus) is a deciduous tree in the genus Chionanthus of the family Oleaceae, also known as April snow, shredded radish flower and tea tree, and it grows wild and is cultivated in many provinces across northern and southern China. The tree is tall with luxuriant branches and leaves, and it enters full bloom in late spring and early summer each year; the white corolla is deeply divided into four slender, spike-like lobes, and the tree covered in blossoms looks like it is blanketed in snow from a distance, giving it high ornamental value.

The fringe tree is dioecious, bearing oval drupes after flowering that turn blue-black when ripe. The same genus also includes the American fringe tree (Chionanthus virginicus) native to North America, whose flowers are similar in shape and likewise quite ornamental. In domestic gardens, this species is the main one used, for courtyards, parks and roadside landscaping.

Besides its flowers, the fringe tree is also a commonly used rootstock for grafting osmanthus. It belongs to the same family Oleaceae as osmanthus, has good graft compatibility, a well-developed root system and strong cold and drought tolerance; osmanthus grafted onto it grows vigorously and adapts well, making it especially practical in regions with colder winters. When grafting, vigorous seedling stock is usually chosen as the rootstock, and methods such as cleft grafting or cut grafting are used in spring.

For care, the fringe tree likes sunlight and tolerates slight shade; it is not demanding about soil and grows best in well-drained sites. It is cold- and drought-tolerant and relatively undemanding in management; when transplanting, keeping a good root ball and watering thoroughly after planting can effectively improve the survival rate. Propagation is mainly by sowing; the seeds have dormancy characteristics and need sand stratification to promote germination before sowing, and cuttings or grafting can also be used to raise seedlings.

It should be noted that the fringe tree does not grow fast, and seedling trees often take many years from sowing to flowering, so patience is needed when planting. However, it is very long-lived, and old trees still bloom with a full crown; some old stumps can also be trained into bonsai, offering white flowers in spring and form all year round, making it a native tree species with both ornamental and practical value.