Located in the southeastern part of Henan Province, Huangchuan County has a warm climate and abundant rainfall. It is located in the northern part of the subtropical zone and is a suitable habitat for the northward movement of tropical flowers and trees and the temperate vegetation. "Gwangju" volume 28 records: "The genus of wood has laurel, a hibiscus flower, there are three kinds of red, white and yellow." From the northwest of the ruins of the ancient city of Huangguo, there is a hilly ridge that stretches for dozens of kilometers. Since ancient times, osmanthus has been planted on a large scale. Every time in the golden autumn, the sweet-scented osmanthus blooms and the fragrance floats, so it is named "Guihualing". The Huangchuan people have a custom of playing "Osmanthus cake", "Osmanthus sugar" and "Osmanthus wine" on the holidays.

Huangchuan Jingui quality technical requirements (a) provenance. Jin Gui. (2) Site conditions. Brown loam and paddy soil with groundwater level ≤1.5m, soil pH 6.3 to 7.0, organic matter content ≥1.5%. (3) Cultivation management. 1. Seedling: Seedlings by cutting and grafting 2. Planting time: spring or autumn. 3. Cultivation density: 1666 to 2500 plants/ha. 4. Fertilization: The base fertilizer is mainly composed of decomposed organic fertilizer, and the annual fertilization amount is ≥7500 kg/ha. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. From late September to early October, the plants are harvested immediately after entering the flowering period, and harvested in 3-4 days. (5) Drying. The collected flowers are dried within 10 hours after the miscellaneous. To maintain color, the drying temperature should be controlled between 60 ° C and 80 ° C. The drying time should be controlled within 1.5 to 2.5 hours, and the water content after drying should be controlled at 6% to 9%. (6) Quality characteristics. 1. Sensory characteristics: color: light yellow, the color is basically the same; pattern: small flower, petal oval, uniform, single petal length 2 mm to 3 mm, width 1mm to 1.5mm; aroma: strong fragrance. 2. Physical and chemical indicators: moisture content 6% to 9%, total amino acid ≥ 12%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

Apply to：
The producers of the Huangchuan Jingui Geographical Indications Product Protection Area may apply to the Huangchuan County Quality and Technical Supervision Bureau of Henan Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Henan Provincial Bureau of Quality and Technical Supervision. The General Administration of Inspection and Quarantine announced the approval. The legal inspection agency of Huangchuan Jingui is designated by the Henan Provincial Bureau of Quality and Technical Supervision.