How to make hydrangeas bloom and what to do after they bloom

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1. How to make hydrangeas bloom

2. What to do after flowering?

If you want hydrangea to bloom, you need to give the plant suitable light, shading in summer and full sun in winter. During the growth period of hydrangea, apply a balanced fertilizer and water of nitrogen, phosphorus and potassium, and switch to phosphorus and potassium fertilizer before flowering. If you want hydrangeas to bloom quickly, you can also place the plants in an environment of 5-7℃ for 6-8 weeks, and then place the hydrangeas in an environment of 20℃ to encourage flowering. After the flower buds appear, keep the maintenance temperature at 16-18℃ ℃, hydrangeas will bloom in about two weeks.

1. How to make hydrangeas bloom

1. Light: Hydrangeas are afraid of exposure to the sun, but lack of light will affect flowering. Pay attention to shade and sun protection in summer, bask in the sun in the morning and evening in spring and autumn, and maintain astigmatism at noon in winter. Full sunlight maintenance, ground planting should be planted in the corner or under the shade of a tree.

2. Fertilizer and water: During the growth period of hydrangeas, you can topdress diluted liquid fertilizer made from bean cakes and chicken manure every 2-3 weeks to promote plant growth and flower bud differentiation. In the early flowering stage, topdress phosphorus and potassium fertilizers such as bone meal and chicken manure to promote flowering.

3. Temperature: If you want hydrangeas to bloom, you can The plants are placed in an environment of 5-7℃ for 6-8 weeks, and then the hydrangeas are placed in an environment of 20℃ to encourage flowering. After the flower buds appear, keep the maintenance temperature at 16-18℃, and the hydrangeas will be ready in about two weeks. Flowering.

2. What to do after flowering

1. The most common hydrangea is the large-flowered hydrangea. Only the old branches of this type of hydrangea can bloom. Therefore, every time the plant loses flowers, it must be pruned in time, and the pruning must be completed before the end of August every year. Otherwise, the hydrangea will not bloom. The flower buds differentiate in September. If you prune again, there will definitely be no flowers in the second year.

2. When pruning, cut off the remaining flowers and the two pairs of leaves under the flowers. After pruning, the hydrangea will grow two full buds at the axils of the leaves on the top of the branch. The branches turn into two branches, and they will bloom crazily on the old branches next year.

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