Hydrangea, dignified and elegant, with large and beautiful flowers, is very suitable for raising on the balcony or courtyard. Large tracts of flowers are in full bloom, very lively and beautiful. The following is to introduce the cultivation methods and precautions of hydrangea.

Cultivation method of hydrangea

1, soil: hydrangea is not strict with soil, and loose and fertile sandy loam is generally used to ensure good ventilation and drainage performance, and basically no problems will occur. It can be made of 4 parts of humus soil +3 parts of garden soil +2 parts of river sand+1 part of cake fertilizer, or 6 parts of humus soil +3 parts of furnace ash residue+1 part of cake fertilizer.

The color of hydrangea will be affected by the pH of soil, so we can adjust the color of hydrangea and control the color by adjusting the pH of soil. Generally, acidic soil will make flowers blue, while alkaline soil will make flowers red.

2. Lighting: Hydrangea is a flowering plant with short sunshine. You can directly receive strong light every day, and you can't grow in a cool place for a long time. In summer, it is best to avoid the scorching sun, and it is about 60% ~ 70% cool.

3. Watering: In spring and autumn, it grows rapidly and the water demand increases. Need to water 1 time every 2~3 days. It is hot in summer, and the water evaporates quickly. You need to water it 1 time a day, when it is cold in the morning and evening. In winter, the temperature is low and the water demand is reduced. Water according to the dryness of the basin soil, and then water it after it is completely dried. It will take about 3 to 4 times throughout the winter.

4. Fertilization: When planting or changing pots, slow-release fertilizer, organic fertilizer or bone meal can be applied as base fertilizer, which can provide nutrients for plant growth.

Fertilize hydrangea carefully, not too much or too thick each time. During the growth of hydrangea, 1 times fertilizer with nitrogen fertilizer as the main fertilizer and phosphorus and potassium fertilizer as the supplement was applied every 2-3 weeks. During the growth and development of flower buds, topdressing with 0.2% potassium dihydrogen phosphate solution for 2~3 times can make the flowers bigger and brighter, and stop fertilization after the flower buds are colored.

Matters needing attention of hydrangea

1. During the maintenance of hydrangea, there is no problem with the dry spots of the soil, but there is no water in the soil, which will lead to poor breathing, fat damage, root rot and serious plant death. Pay attention to the rainy season, you need to keep plants away from the rain.

2, watering try not to pour water on leaves or flowers, water stays on leaves or flowers for a long time, there may be rotten leaves and rotten flowers.

3. Hydrangea is poisonous, so care should be taken when maintaining it.

The above are the cultivation methods and precautions of hydrangea, and all aspects of maintenance and management should be in place to ensure that hydrangea is big and bright and blooms in a large area.