[why does the sweet-scented osmanthus tree not bloom] how does the sweet-scented osmanthus tree blossom

In recent years, many large sweet-scented osmanthus trees have been planted in roadside residential areas, government organs, enterprises and institutions. When the flowers are in full bloom, it should be fragrant all over the city, but it is very difficult to smell sweet-scented osmanthus. Why can't you smell the fragrance only when you see the flowers? Some people say that tall buildings in the city block the sun, and some people say that car exhaust pollutes the environment, but even in places where there is plenty of sunshine and few car exhaust pollution, sweet-scented osmanthus is not fragrant. Why?. It is mainly the relationship between the varieties of sweet-scented osmanthus. In recent years, what has been planted in large quantities is not the eight laurel with strong flower scent, but the four seasons osmanthus with little flowering and little aroma. There are many kinds of sweet-scented osmanthus, such as Jin Gui, Yin Gui, Dan Gui, Siji Gui and so on. Their characteristics and uses are different. Why don't sweet-scented osmanthus trees bloom?

Why sweet-scented osmanthus trees do not blossom needs to be analyzed from several reasons.

Reason one: did not meet the basic conditions of flowering, that is, the natural law of sweet-scented osmanthus flowering. If it is sowing and propagation, it will take about 10 years to blossom; most of the seedlings that are grafted, striped and propagated will blossom in the next year, and cuttings will not blossom until 4 years.

Reason 2: fertilization, watering and pruning failed to keep up. Sweet-scented osmanthus flowers should be fertilized mainly with phosphorus and potassium before August, and it is difficult to promote the flowering of the same year if they miss the season. If it is not watered in time during the summer drought, it will not work if Rain Water does not have timely drainage in the season. And should prune properly, concentrate the supply of nutrients, and promote the physiological balance of vegetative growth.

Reason 3: lack of light, if long-term lack of light or no light at all, there will be no flowering, or even make the whole plant stop blooming.

Reason 4: it is not blooming because of soot pollution. If the sweet-scented osmanthus is planted on the edge of the chimney of the coal yard, or if your own chimney is right opposite the sweet-scented osmanthus tree, and if the construction site is particularly polluted, it will not blossom.

Reason 5: diseases and insect pests lead to non-flowering, if sweet-scented osmanthus leaves withered, falling, moth-eaten, some branches withered, like this, how is it possible to bloom.

How does Osmanthus fragrans bloom

Generally, sweet-scented osmanthus trees are planted in May-June or August-September. If sweet-scented osmanthus trees are planted in May-June, they will have the height of 20CM in December. At this time, because of the high density, it needs to be transplanted to the field nursery.

By May and June of the following year, the general height of sweet-scented osmanthus seedlings is 50-70 cm, which has been able to adapt to a large number of transplantations. if the method is appropriate, the survival rate is more than 98%.

From March to April of the third year, the height of sweet-scented osmanthus seedlings reached 1.5-2 meters, and the pole diameter was as thick as 1 meter.

The third and fourth years are the cultivation period of young trees, during which the diameter of the main stem of sweet-scented osmanthus trees has changed from 1 to 3 meters, which is called the first "fierce".

Long term. "

In the fifth and sixth year, the stem diameter of young sweet-scented osmanthus trees increased from 3 to 6 meters, which is called the second "fierce period".

Five-year-old tree-5CM six-year-old tree-6CM seven-age tree-7CM eight-age tree-8CM

Sweet-scented osmanthus trees usually blossom after 4 years (and two years later), and trees with 5 years can begin to cut and cut seedlings. Six-year trees are not only a high-yield period for sweet-scented osmanthus, but also a good time for massive planting. Generally speaking, as long as the earth balls are dug and packed, they will live for about 30 days, even if they are not planted immediately, in the season suitable for transplanting.

As for how long you can get a profit from planting, it depends on how long you want to cultivate it.