How to raise peony flowers? What are the breeding methods and precautions of peony? What is the ornamental value of peony?

Peony is afraid of strong sunlight, so it should be planted in a high-lying place, which is not easy to be flooded and faces east. Potted peony should be placed on the east balcony facing the sun. If it is placed on a balcony or roof facing south, it needs shading from the west to prevent trees from being exposed to the sun for a long time. Peony is a deep-rooted plant. Before planting, the soil should be deeply ploughed and applied with base fertilizer.

Peony flowers are cold-resistant and afraid of high temperature. If the temperature exceeds 25℃, plants will hibernate. The optimum flowering temperature is 17-20℃, but it must be treated at 1- 10℃ for 2-3 months before flowering. The minimum tolerance is -30℃, but appropriate measures should be taken to avoid freezing injury in winter in cold areas of northern China. The hot and humid weather in the south is very unfavorable to the growth of peony. Soil peony is suitable for fertile and loose soil with deep soil layer and strong drainage ability, preferably neutral or slightly alkaline soil.

Peony is harmed by grubs, red spiders and aphids. In order to prevent grubs from eating peony roots, red spiders and aphids can spray dimethoate. The main disease of Paeonia suffruticosa is brown spot, which appears on leaves in summer, leaves wither gradually in autumn, and even the whole plant dies.

Irrigation twice before planting. Water once before winter to ensure winter safety. In early spring, water supply and drainage should be carried out according to the wet area conditions of soil layer, but it is not necessary to irrigate too much. Generally, fertilizer is applied three times a year, and the first time is when flowers bloom, which is a powerful fertilizer to promote their excellent flowering. The second time was the fertilizer of China Association, and the first time was the organic chemical liquid fertilizer. The third time is fertilization in autumn and winter, mainly based on base fertilizer, to promote the growth and development of the next spring. In addition, we should pay attention to the hoeing of the soil, do not have weeds, and the soil should be shallow plowed.

Cutting propagation is a method of clonal propagation of peony, which uses adventitious roots on peony branches to propagate new plants. The method is to cut the cuttings from the mother plant first, and then insert them into soil or other substrates to make them take root and become new plants. Peony cuttings should be selected from soil buds at the root of peony. Therefore, the seedbed should be ventilated to the sun to build a high-bed nursery. Cutting, watering, inserting into ditch, watering.