Osmanthus fragrans aurantiacus (scientific name: Osmanthus fragrans aurantiacus group) is a plant of the family Oleaceae and the genus Oleaceae, which represents a kind of cultivated plant variety with deep color in Osmanthus fragrans. The plants are tall, mostly small and medium-sized trees, often with obvious trunks, up to 3-8 meters (sometimes more than 12 meters), and a few varieties are in the form of clustered shrubs. The bark is grayish brown and the branchlets are yellowish brown. Leaves leathery, elliptic, oblong or elliptic lanceolate. Cymes clustered in leaf axils, or nearly broom shaped, with many flowers in each axil; Bracts broadly ovate, thick; Calyx ca. 1 mm long, lobes slightly irregular; Stamens are inserted in the middle of corolla tube and filaments are very short. Fruit skew, oval, purple black. The flowering period is short, mainly from August to November in autumn. The flower color is deep, light orange yellow, orange yellow to orange red or deep orange red.

Growth habit:

It likes sunshine and bears half shade. It is advisable to select the acid sandy loam with deep soil layer, fertile soil and good drainage for planting. It likes warm and humid climate and is resistant to high temperature but not cold. It is a temperate tree species.

Curing method:

In the tree tray with the trunk as the center and the diameter of 1 meter, the middle tillage, soil loosening and weeding shall be carried out. The newly planted osmanthus must be watered. If possible, the crown of the plant should be watered to maintain a certain air humidity. Osmanthus is not resistant to waterlogging, so it should be drained in time. Fertilization shall follow the principle of "thin fertilizer and frequent application", with organic fertilizer as the main and chemical fertilizer as the auxiliary. Spray medicine to protect the shoots in time.