1, when pruning hydrangea, cut off its residual branches and weak branches. Residual branches are mainly manifested in the damage of branches and incomplete branches. All the remaining branches connected with the main stem need to be cut off; Weak branches are mainly weak branches, not strong branches and thick branches. Cutting them off after discovery can effectively ensure the nutritional components of hydrangea.

2. In the illustration of hydrangea pruning method, it is necessary to prune after flowering; After the hydrangea blooms, some buds that have not fallen will still grow on the branches, which has no effect. They will only waste the nutrients of hydrangea, cut off the branches at the 3 cm bud and apply disinfectant properly.

3. Autumn is the season for hydrangea to grow, and reasonable pruning can make it grow better; Cut off the long branches at the fork and keep the upward branches; Trim off the redundant leaves, with no more than three branches on the main stem; Increase proper fertilization and maintain it in astigmatism.

4. There are requirements for the pattern of hydrangea, which can be trimmed; Generally, it is trimmed into a ball shape, and it is slowly trimmed in an arc shape from top to bottom, cutting off excess buds and petals, taking care of the flowers subdivided at the bottom, and adjusting the details at the edge.