5A dried osmanthus is a premium grade.

There are 4 levels of osmanthus, namely golden osmanthus, silver osmanthus, red osmanthus and laurel. The golden osmanthus is the most fragrant variety. Its flowers are golden yellow and it is the most advanced variety. The silver osmanthus is creamy yellow and has a strong fragrance. The red osmanthus is orange yellow and has a slightly lighter fragrance. The laurel is every season. The sweet-scented osmanthus that can bloom is highly ornamental.

Osmanthus is the customary name for many trees of the genus Osmanthus in China, also known as rock osmanthus. It is an evergreen shrub or small tree of the family Oleaceae. It has hard texture and thin bark, and its leaves are oblong and opposite, with pointed ends. It will not wither through winter.