Plant name: Delphinium. Latin name: Delphinium grandiflorum, nickname: Delphinium grandiflorum, pigeon flower, hundred grass, chicken claw, delphinium, dried bird grass, dill flower. Herbs perennial.
Strains, cuttings and sowing methods reproduce. Ramets: Spring and autumn can be carried out. Spring shoots grow up to 15-18 cm in length, and are transplanted after rooting. New shoots from the base can also be taken after flowering. Cuttage: The propagation is carried out in the spring. When the new shoot grows more than l5cm, cut the cuttings and insert into the sand. Sowing: Most of them are carried out in March-April or September. The germination temperature is about 15°C. Autumn sowing in late August to early September, the first broadcast into the open seedbed, before entering the winter into the cold or cold room, winter warm planting. The southern part of the country is exposed in early spring and the seedlings maintain a 25-50 cm spacing. The north was generally nursed in advance, and was planted in mid-April. When 2 to 4 true leaves were transplanted, 4 to 7 true leaves were planted. Pay attention to drainage in rainy days. The basal fertilizer was applied before planting and nitrogen fertilizer was used as the top dressing. Older plants grow weaker and need to be transplanted once every 2-3 years. Plants tall, easy to lodging or bending, need to support the fixed. Landscape use: Delphinium flower shape unique, elegant colors. Or cluster planting, planting flower beds, flower borders, can also be used as cut flowers.
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