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Osmanthus tree in general.
In winter, it is not deciduous and osmanthus is a genus of the family Rhinoceros.
Evergreen trees, evergreen all year round, are also the top ten traditional Chinese flowers.
One of them, set greening, beautification, fragrance in one of the ornamental and practical excellent garden tree species.
Osmanthus is the customary name for many trees of the genus Wood Rhinoceros in China, and the representative species of Wood Rhinoceros is also known as rock osmanthus.
It is an evergreen shrub or small tree of the family Rhinoceraceae, with firm and thin bark, oblong leaves and pointed faces, opposite, and does not wither in winter. Between the leaves of peanuts, the corolla petals are lobed, the shape is small, and there are many varieties of its horticulture, and the most representative one is golden cinnamon.
Silver cinnamon, cinnamon, laurel, etc.
Osmanthus is one of the top ten famous traditional Chinese flowers, osmanthus can be clear and dusty, thick and overflowing, can be called a must. Especially in the mid-autumn season, the cong gui is in full bloom, and when the night is quiet and round, the wine is appreciated and the osmanthus is fragrant, which makes people feel refreshed. In ancient Chinese Yonghua poems, the number of Yonggui works is also considerable.
Since ancient times, it has been loved by the Chinese and is regarded as a traditional famous flower. Osmanthus tea made with osmanthus as raw material.
It is a special tea in China, it has a soft aroma and delicious taste, and is loved by the public. Osmanthus has a wide range of applications in garden construction.
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Under normal circumstances, osmanthus trees do not lose their leaves in winter, and the leaves are emerald green, but if the root system of the plant is damaged, the leaves will turn yellow and fall off. During the maintenance period, an appropriate amount of watering and fertilization is required, if the growth rate of the plant is slow, it is necessary to control water and fertilizer, otherwise the root system will not be able to provide sufficient nutrients and water after damage, which will affect the growth of the plant.
Osmanthus is a common tree or shrub plant of the family Rhinoceros, with a plant height of between 3 and 5 meters, leaves oblong or lanceolate, verdant in color, and serrated edges. The plant is very cold-tolerant, under normal circumstances, in a low temperature environment of about minus 13 degrees, the plant will not be frostbitten, the leaves are still verdant, and there will be no yellowing and falling off.
During the winter, if the root system of the plant is damaged and cannot provide water and nutrients to the plant normally, the leaves of the plant may be yellowing or falling off. In general, it may be related to water and fertilizer, too much water and too high fertilizer concentration can threaten the root system, and when the root system is damaged, the ability to absorb nutrients and water will be reduced.
During the winter, the potted osmanthus planted at home needs to be moved indoors for maintenance before the winter comes, and can be placed on the balcony with sufficient sunlight, which can promote the growth of the plants. According to the growth of the plant, proper watering, if the light is sufficient, you need to increase the amount of watering, properly sprinkle the leaves with water, and replenish water.
Osmanthus likes temperature, during the maintenance period, the temperature suitable for plant growth is between 15 and 28 degrees, to ensure that the plant growth environment is warm enough. During its growth, the plant needs to be watered appropriately and kept in a warm and ventilated environment. If there is too much watering, the environment is closed, and the root system is damaged, and it is easy to induce pests and diseases, which will affect the growth of the plant.
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Osmanthus tree will not fall leaves in winter, osmanthus tree is an evergreen tree, in the case of healthy growth, a large number of leaves will not be lost in winter, the branches and leaves are still in a state of verdant and luxuriant, if the osmanthus tree loses a large number of leaves, it may be the cause of soil drought and excessive watering, it is necessary to take the correct watering method to remedy, and the osmanthus tree can not be transplanted in winter, the temperature is low at this time, and the survival rate after transplanting is low.
The osmanthus tree will not lose its leaves in winter, the osmanthus tree is an evergreen tree, in the case of healthy growth, there will be no large number of fallen leaves in winter, the branches and leaves are still in a green state, and the cold resistance of the osmanthus tree is strong, it can tolerate the low temperature of minus 13 degrees, and the osmanthus tree in the southern region and part of the northern region can overwinter in the open air.
Whether the leaves of the osmanthus tree can survive if they fall off, it is necessary to observe the growth state of the root system, after the leaves of the osmanthus tree fall off, the plant should be dug out, and a small hole should be made near the root with a knife, and the internal tissue is fresh, which means that the root system of the plant is active, and the leaves can grow again after careful maintenance, but if the internal tissue is dry and black, it means that the root system is dead, and the osmanthus tree can not survive.
A large number of osmanthus trees may be due to soil drought and excessive watering, the summer weather is hot, the transpiration of the plant is accelerated, the demand for water is larger, at this time do not water, the soil is dry, it will lead to leaf shedding, and the temperature in autumn and winter decreases, when the water evaporates slowly, frequent watering, the root system can not absorb, there will be water accumulation, resulting in rotten roots and leaves.
Osmanthus trees can not be transplanted in winter, although the osmanthus tree has a certain cold resistance, but the premise of cold tolerance is normal growth, the osmanthus tree is dug out for transplanting in winter, the plant has not adapted to the environment, resume growth, the cold tolerance at this time is poor, can not be successfully wintered, so the osmanthus tree can not be transplanted in winter, the correct transplanting time is in the spring and autumn of each year.
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The osmanthus tree does not lose its leaves in winter, because the osmanthus tree is an evergreen shrub, the leaves do not fall off in all seasons and are evergreen, if the root system is damaged or infected with diseases, it is easy to fall. When maintaining osmanthus trees in winter, a layer of straw can be wrapped around the trunk to keep warm. When the temperature drops below 5, it is necessary to water the frozen water once to avoid frostbite on the roots.
You can also apply a layer of quicklime to the trunk to keep warm.
The osmanthus tree does not lose its leaves in winter, because the osmanthus tree is an evergreen shrub or small tree of the family Xyloberoceae, which does not lose leaves all year round, and is in an evergreen growth state in all seasons. Leaf loss may occur when the root system is damaged, causing the leaves to fall or if the leaves are falling due to root rot.
1. Wrap the trunk
In order to avoid leaf loss or frostbite of the osmanthus tree in winter, a layer of straw can be wrapped on the trunk and tied tightly with a rope to prevent the straw from being blown away by strong winds. After wrapping, it can play a better role in cold protection and warmth, so that the osmanthus tree can safely overwinter.
2. Watering and sealing frozen water
When the room temperature drops to 5 in winter, you can water the osmanthus tree once frozen water, in order to protect the root system from being frostbitten after winter, pay attention to the watering after watering the frozen water, do not water again, so as not to produce water in the soil, so that the root system of the osmanthus tree is rotten, and when the situation is serious, the whole plant will die.
3. The trunk is painted white
Before winter, you can apply a layer of quicklime water to the branches of the osmanthus tree, the white quicklime can reduce the absorption of heat by the trunk, reduce the temperature difference between day and night, thereby reducing the chance of freezing, and after applying quicklime water, it can also kill the germs and insect eggs produced on the trunk.
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Osmanthus leaves in winter may be caused by too low temperature, at this time you need to take thermal insulation measures for the plant in time, if it is a potted osmanthus can be moved to indoor maintenance. It can also be caused by overwatering, so it is best to control watering and keep the soil slightly dry.
1. Thermal insulation measures
The leaves of osmanthus are evergreen all year round, and the phenomenon of falling leaves rarely appears, if the osmanthus appears in winter, it is very likely that the temperature is too low, so that the plant produces frost damage, at this time it is necessary to take thermal insulation measures for the plant in time, you can wrap plastic film on the trunk, if it is a potted osmanthus, you can also move it to the indoor insulation.
2. Control watering
The phenomenon of osmanthus falling leaves in winter may also be caused by excessive watering, the growth of osmanthus is inseparable from sufficient water, but the temperature is low in winter, the osmanthus has less demand for water, and the water evaporates more slowly, so it will lose its leaves, at this time it should reduce the amount of watering, and it is most suitable to keep the soil in a slightly dry state.
3. Stop fertilizing
The weather is cold in winter, osmanthus grows very slowly, the demand for nutrients is not high, you can apply fertilizer once before winter, you should stop fertilizing when winter comes, otherwise too many nutrients in the soil will make the plant fertilizer, the phenomenon of falling leaves, this time you need to stop fertilizing immediately.
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1. Improper watering: the reason why the osmanthus tree is called the "expensive" tree, not only because it has a good meaning, but also because it can be regarded as delicate, too much watering is not good, too dry is not good, especially the newly transplanted, planted osmanthus tree, but also has certain requirements for watering, watering too much soil refers to too wet, it is easy to produce waterlogging, and the phenomenon of leaves slowly falling, too little watering, lack of water, will also cause the leaves to slowly turn yellow, dry up, and even fall, Osmanthus tree watering should be done to see dry and wet, too wet and too dry are not good.
2. Improper fertilization: for the newly planted osmanthus tree, there is a slow seedling growth period, during this period is to try not to fertilize, the root system of the osmanthus tree is not completely adapted to the new soil, the plant does not adapt to the new environment, there is a slow seedling process, the root system of the newly planted osmanthus tree itself will have different degrees of damage, at this time fertilization, the cautery of the root system is very serious, it is easy to occur due to the root cautery and the leaves turn yellow next to the ear missing, and finally fall off. For the newly planted osmanthus trees to slow down the seedlings, slowly increase the amount of fertilizer, remember to use some raw fertilizer and thick fertilizer, these are very disadvantages.
Do you need to hang a card for the osmanthus tree?
Osmanthus likes fertile and well-drained slightly acidic soil, it is a long-day plant, so the cultivation of osmanthus must give it sufficient light, insufficient light its branches will become very thin and very weak, and flower buds are difficult to form! We need to reduce watering before the shoots germinate. During its growth period, we can use a general-purpose water-soluble fertilizer every half a month or so to promote the germination of branches.
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The family plants a tree, and the osmanthus fragrance fills the courtyard.