Daylily, also known as day lily, valerian, is a perennial flower plant of the family Liliaceae. It is one of the few plants in the world that feed on flowers. "Viewing flowers, eating vegetables, and using medicine" is the most appropriate portrayal of Qingyang daylily. Su Dongpo, a poet of the Song Dynasty, wrote a sigh of praise: "The sedge of the sedge is a slight flower, and the lonely show can extricate itself."

Qingyang day lily quality technical requirements (a) varieties. Malian Daylily. (2) Site conditions. Loam and sandy loam with fertile soil, loose soil, deep soil layer and soil pH between 6.5 and 7.5 are required. (3) Cultivation management. 1. Selection of seedlings: It is required to use robust plants that are propagated by asexual reproduction as a seed. 2. Planting density: The planting density per hectare is not more than 108,000, and the hole spacing is not less than 40cm. 3. Fertilization management: Apply 30,000 kg to 60,000 kg of organic fertilizer per hectare. (4) Harvesting and grading. The harvest should be fully grown in the flower buds, the buds are not placed, the buds are yellow-green, and the tops are dark green spots. Fresh vegetables grading standards are as follows: Qingyang day lily fresh vegetables grading standard level sensory strip length (cm) flowering rate (%) first-grade color yellow-green, shiny, uniform size, top not open, thick and long, no handle Impurities. ≥13≤0 The second-grade color is yellowish, the length of the flower strips, the thickness is basically uniform, and there is no impurity in the handle. ≥12≤5 The third grade color is dark yellow, the strip is short and the curl is uneven, the gloss is poor, and there is a small amount of pedicle impurities. ≥9≤10(5) Quality characteristics. 1. Sensory features: (1) Dried daylily: The item requires a light yellow or light yellow color, allowing the head to be light brown. The wind has the clear aroma of daylily and no odor. The strips are compact, roughly thick and slender. The total quality of sensory-deficient vegetables (fried dough, green vegetables, flowering vegetables and stalks) is ≤ 2.5%. The quality of the impurity impurities is ≤0.5%. (2) Quick-frozen Daylily: The color of the item is yellow-green. The wind has the clear aroma of daylily and no odor. The mouth feels soft and refreshing. The product temperature is below -18 °C. No impurities 2. Physical and chemical indicators: dried daylily: project unit indicator water % ≤ 15 protein% ≥ 10.5 fat % ≥ 1.0 sugar % ≥ 45

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Producers within the scope of protection of the gerbera geographical indication products of Qingyang may apply to the Pingliang Entry-Exit Inspection and Quarantine Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.