1. Illumination: Hydrangea is afraid of insolation, but lack of light will affect its flowering. In summer, attention should be paid to shading and sun protection. In spring and autumn, it should be exposed to the sun in the morning and evening. It should be maintained by astigmatism at noon. In winter, it should be maintained by full sunlight. It should be planted in the corner or under the shade of a tree.
2. Fertilizer and water: In the growth period of hydrangea, soybean cake and chicken manure can be topdressed once every 2-3 weeks to make decomposed diluted liquid fertilizer to promote plant growth and flower bud differentiation; in the early flowering period of hydrangea, phosphorus and potassium fertilizers such as bone meal and chicken manure can be topdressed to promote flowering.
3. Temperature: If you want the hydrangea to bloom, you can put the plant in the environment of 5-7 for 6-8 weeks, and then put the hydrangea in the environment of 20 to force the flower, and after the flower bud appears, keep the maintenance temperature at 16-18 , and the hydragea will bloom in about two weeks.
1, Hydrangea in the most common is the big flower hydrangea, this kind of hydrangea only old branch can blossom, so in each plant flower failure, must be pruned in time, and to complete the pruning before the end of August each year, otherwise hydrangea flower bud differentiation in September, then cut the next year certainly no flowers to see.
2. When pruning, the two pairs of leaves under the residual flowers and flowers should be cut off. After pruning, the hydrangeas will grow two full buds in the axils of the leaves at the top of the branches. One branch will become two branches. In the coming year, they will blossom crazily on the old branches.
