The cultivation method of Xiuqiu flower and the top of attention

1 part of cake fertilizer, 4 parts of compost soil and 5 parts of sandy soil can be mixed into culture soil, and the basin soil should be kept moist in the process of culture, and it can be maintained in a semi-shady environment at ordinary times, and the suitable temperature for growth is 18-28 ℃. Generally, thin pancake fertilizer and water can be applied once every 15 days, 0.5% superphosphate soaking solution can be applied 1-2 times during budding period, and delicate branches and diseased branches should be cut off in time in March every year. Dysen zinc wettable powder and omethoate EC can be used to control diseases and insect pests.

First, choose soil

The main results are as follows: 1. Hydrangea planting soil should be sandy loam with fertile, loose and good drainage. When potted, we can choose 1 part of cake fertilizer, 2 parts of river sand, 3 parts of garden soil and 4 parts of rotten leaf soil to form culture soil.

2. Or mix 1 part of cake fertilizer, 4 parts of compost soil, 5 parts of sandy soil, or 1 part of cake fertilizer, 3 parts of sand or furnace ash, 6 parts of rotten leaf soil, pour the cultivated soil into the basin and put it indoors for maintenance, and then move out of the room in early May.

Second, regular watering

The main results are as follows: 1. Hydrangea leaves are relatively fat, so they need more water, so they should be watered frequently in spring and summer to keep the basin soil moist, while in the hot season in midsummer, water should be watered once in the morning and evening and shaded properly.

2. It is necessary to water less in winter, as long as the basin soil is in a moist state, and the basin soil should be fully watered in the process of growth, so that the basin soil can often be kept moist, especially in summer.

Third, reasonable lighting

1. Hydrangea is a short-day plant, which should be maintained in a semi-shady environment after leaving the room in spring, and can be moved to a well-ventilated shady place in midsummer to avoid sunburn in leaves.

The light intensity weakens gradually after February and September. In order to promote flower bud differentiation, the flowerpot can be moved to a place with more light for maintenance.

4. Suitable temperature

1. Hydrangea likes the warm environment, the suitable temperature for growth is 18-28 ℃, and the winter temperature should not be lower than 5 ℃.

2. Flower bud differentiation should be 6-8 weeks under the condition of 5-7 ℃. The temperature of 20 ℃ can promote flowering, and the temperature after flowering should be maintained at 16 ℃, which can prolong the viewing period. During this period, high temperature should be avoided and flowers will fade quickly.

5. increase the application of fertilizer

1. Hydrangea loves fertilizer and water. In the process of growth, it is generally necessary to apply thin pancake fertilizer and water every 15 days or so.

2. In order to ensure that the basin soil often maintains acidic reaction, 0.2% ferrous sulfate can be added in combination with liquid fertilizer to make it irrigated with alum fertilizer, and 0.5% superphosphate soaking solution can be applied 1-2 times during the bud pregnancy, which can promote the flower to be bright.

6. Pruning in time

The main results are as follows: 1. Hydrangea should cut off delicate branches and diseased branches from the base in early spring in March every year. 3-5 strong main branches can be retained and cut short, and each branch can retain 2-3 buds to promote new branches, which is conducive to flowering and luxuriant.

2. General pruning and shaping can make the tree compact, symmetrical, plump, with many flowers, large flowers and bright colors. If it is not pruned, the base of the old branches of more than 3 years will be lignified, so it is not conducive to sprouting new branches and is easy to form the emptiness in the lower part of the plant. affect the ornamental value of the plant.

VII. Prevention and control of diseases and insect pests

1. The common diseases of hydrangea are powdery mildew, wilt and leaf spot. During this period, 65% zinc wettable powder can be sprayed and controlled.

2. The common pests of hydrangea are aphids and bug bugs. During this period, 1500 times of omethoate EC can be used to spray and control.