1, water twice before planting. Irrigation 1 time before winter to ensure its safe overwintering. After spring, water should be supplied according to the dry and wet conditions of the soil, but don't water it too much. Generally, fertilizer is applied three times a year, and the first time is 1 time before flowering, and quick-acting fertilizer is applied to promote flowers to bloom well. The second time is fertilization after flowering, topdressing 1 times organic liquid fertilizer. The third time is autumn and winter fertilizer, mainly base fertilizer, to promote the growth of the next spring. In addition, attention should be paid to intertillage weeding, and the soil can be loosened by shallow tillage without leaving weeds.
2. Pick the flowers and prune them in time after the flowers wither, and prune them according to the natural growth of the trees. At the same time, put a callose antiseptic film on the pruning mouth to protect the wounds and prevent the invasion and infection of germs. If the plant is low and the flowers are dense, it should be cut short to inhibit branch expansion and tillering. Generally, it is advisable to leave 5 ~ 6 branches per plant.
3. Potted peony can blossom in the Spring Festival by forcing flowers in winter. The method is to select peony varieties with full scales and buds (such as Zhao Fen, Luoyanghong, Shengdanlu, Gejinzi, Zhusha Base, Dazihu, Mokui, Wulong Peng Sheng, etc.). ) 60 days before the Spring Festival, take it out with soil to minimize root damage, and dry it in the shade 12 ~ 13 days. When placing the flowerpot, the size of the flowerpot should match the plant to achieve a satisfactory plant type. After pouring water, it is managed normally. 50 ~ 60 days before the Spring Festival, move into a greenhouse around 10℃, and spray water 2 ~ 3 times a day to keep it moist. When the scale buds expand, gradually heat them to 25 ~ 30℃, and the temperature at night is not lower than 15℃, so that flowers can be seen in the Spring Festival.