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1. Humus soil
Hydrangeas grow best on humus soils, so you need to choose 3:3:2:
2. The mixed soil of humus, river sand, garden soil and cake fertilizer can also be used according to the 5:4:1 prepared humus, sand soil and cake fertilizer mixed soil.
When breeding, pay attention to changing pots once a year to make it grow better.
2. Water and fertilizer management
Hydrangeas in the growth period have high nutrient requirements, so they should apply thin cake fertilizer once in about half a month, and apply superphosphate about twice in the flowering period to make them bloom better. Usually it can be watered once in about 2 or 3 days, and its frequency can be increased in summer, once in the morning and once in the evening. <>
3. Suitable light temperature
In the cultivation method of hydrangeas, it is necessary to provide it with a suitable temperature of 18 28, and it is best to maintain a temperature of more than 5 in winter, and it should be placed under scattered light, receive sufficient light to grow vigorously, but do a good job of strong light shading in summer to avoid sunburn.
4. Topping and insect prevention
When breeding, it is also necessary to pluck the topping when it grows to a certain height, respectively, when the new branches are 12cm long and the branches are 10cm long, and the residual branches should be pruned in time to make them grow healthily. And to do a good job of insect control, spray zebsen zinc wettable powder and dimethoate emulsifiable concentrate for effective control.
5. Propagation by cuttings
In the process of cultivating hydrangeas, it can also be propagated by cuttings, generally in spring and autumn, the suitable branches are cut down, keep its length between 10 15cm, and only 2 3 leaves at the upper end, and then insert it into the soil for maintenance, 10 15 days or so the branches will grow new roots.
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1. Light. The cultivation of hydrangea should create a semi-shady environment for it, preferably with large trees or other shades, and ensure 3 to 6 hours of light every day.
2. Soil. The potting soil should be loose, fertile, and has strong water and fertilizer retention ability, and can be mixed with garden soil, humus soil, and river sand in proportion.
3. Watering. Hydrangeas have a relatively large water storage capacity and a large amount of evaporation, so keep the potting soil in a moist state, otherwise it will wilt.
4. Temperature. The growth of hydrangea is suitable for greenhouse between 15 and 25 degrees, below 5 degrees it will stop growing, above 35 degrees it will also be inhibited.
5. Prevention and control of diseases.
Hydrangeas are prone to leaf disease and yellow-spotted flowers during the maintenance period, and can be sprayed with pesticides to apply acidified fertilizers or regulators to promote its normal growth.
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1. Check and depotting: The hydrangeas bought in the flower market or online are often brought with a nutrient bowl with a mound, and we buy it home, and the hydrangea should be taken out of the nutrient bowl, taking care not to hurt the root system, let alone break up the mound. Cherry potatoes.
2. Transplanting and planting: Prepare a flower pot that is a little larger than the mound, transplant and plant the hydrangea with the mound into the pot, and the gap between the mound and the pot is filled with soil that is not the same as the original mound of soil, gently compacted, and watered once permeable.
3. Post-planting maintenance: The planted hydrangea is placed in a cool and ventilated place to pot slowly, and the soil is close to drying and watering thoroughly, and the hydrangea can be maintained normally after ten days and half a month of slowly adapting to it.
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1. Soil: The soil used to breed hydrangea is best a slightly acidic soil with good drainage, good air permeability and rich humus. However, it is important to note that the soil needs to have a little water retention while draining well, so that the roots of the hydrangea will not be too dry.
2. Temperature: Each potted plant has its own optimal growth temperature, and the best growth temperature for hydrangeas is between 18 degrees and 28 degrees. However, when the temperature is below five degrees, we need to take measures to keep warm so that the hydrangeas do not freeze to death.
When the temperature is higher than 30 degrees, cooling measures need to be taken to prevent the hydrangeas from yellowing and wilting.
3. Water: Hydrangea is a water-loving plant, so it has a greater demand for water. But when we water the hydrangeas, we must pay attention to the potting soil can not have stagnant water, so as not to rot the roots of the hydrangea and be infected with germs.
The method of watering is to penetrate the potting soil, but not to accumulate water. Especially in the hot summer months, we need to increase the humidity in the air by spraying the leaves with moisture.
4. Fertilization: In order to make the hydrangea flowers bloom better and have a longer flowering period, we need to fertilize it during its growth period, and the time of fertilization is once every half a month, and the fertilizer applied can be cake fertilizer or thin liquid fertilizer.
5. Light: Long-term too dark light will affect the flowering and growth of hydrangeas, such as late flowering, no flowering, slow plant growth, etc. Too much scorching light will also cause the leaves of hydrangeas to turn yellow and wither, so it is best to provide bright astigmatism light conditions for hydrangeas.
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1. How to maintain hydrangeas.
2. Hydrangea cultivation methods and pruning.
3. Hydrangea cultivation method cuttings.
4. Cultivation methods and precautions for hydrangeas in summer.
1.When cultivating hydrangeas, try to keep the temperature at 18 28 to avoid the temperature being too high or too low, and the winter temperature should be above 5.
2.It is a semi-shade plant, which should be maintained in a mild astigmatism environment, not exposed to direct sunlight, but it should not be short of light for a long time, and the lack of light will affect the flowering of the plant.
3.The cultivation soil should be moist, the soil should not be too dry during the vigorous growth period, and watering can be appropriately reduced in winter.
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1. The color of most hydrangeas can appear in different colors with different soils. Acidic soils produce blue flowers, while alkaline soils produce red flowers. Neutral soils produce both red and blue flowers.
According to this characteristic, you can choose different toning fertilizers according to your favorite color, blue or red. Flower color fertilizer is generally used when the flower buds first appear, that is, in March and April every year. 2. Hydrangea is a kind of flower that likes half shade and half yang, such as too strong sunlight in summer, and the leaves are easy to be sunburned.
Due to the large number of hydrangeas that bloom, they need adequate water and nutrients. Therefore, hydrangeas are afraid of both dryness and waterlogging, so they should always keep the soil moist but not waterlogged. Fertilizer should be applied after flowering to replenish the nutrients consumed by flowering.
And regularly spray the leaves with nutrient solution or water-soluble fertilizer.
3. Most of the hydrangea flowering is concentrated in the branches that grow in the first year, so the residual flowers should be cut off after flowering, and topping should be carried out in time in spring or autumn to promote the growth of more side buds, so that they can burst the pot quickly and make more flowers next time.
Judge with Xiaoqing what is the reason for the yellowing of the fallen branches of hydrangea.
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Yes, sand grows more easily than soil.