Elegant charm, lush green leaves, evergreen seasons, fine branches and luxuriant leaves, and pleasant fragrance. Osmanthus fragrans is an evergreen broad-leaved tree with a height of15m and a crown of 400 square meters. Osmanthus fragrans seedlings have obvious taproots, developed and deep roots. Young roots are yellow-brown, and old roots are yellow-brown. The leaf surface is smooth, leathery, dark green on the paraxial surface and light green on the distal surface.
2? Edit this section as the distribution of origin.
Osmanthus fragrans is native to the eastern Himalayas in southwest China, and also distributed in India, Nepal and Cambodia. Wild osmanthus fragrans grows in southwest China, Sichuan, Shaanxi (south), Yunnan, Guangxi, Guangdong, Hunan, Hubei, Jiangxi, Anhui and other places, and is now widely planted in Huaihe River basin and south China. Its suitable area is north to the lower reaches of the Yellow River and south to Guangdong, Guangxi and Hainan. It is extremely common in the middle and lower reaches of the Yangtze River.
Osmanthus fragrans likes warm and humid climate, and it is a subtropical tree species, which is resistant to high temperature but not too cold. Osmanthus fragrans leaves are lush and evergreen, and the trees are long in age. They bloom in autumn and are full of fragrance. It is a unique ornamental flower and aromatic tree species in China. Osmanthus fragrans is mainly distributed and cultivated in the vast tropical and northern subtropical areas from the north of Lingnan to the south of Huaihe River in Qinling Mountains, which is roughly equivalent to 24 ~ 33 north latitude. The area has good hydrothermal conditions and suitable precipitation. The soil is mostly yellow brown soil or yellow cinnamon soil, and the vegetation is mainly subtropical broad-leaved forest. Under the influence of the above conditions, Osmanthus fragrans grows well, forming national famous commodity production bases of Osmanthus fragrans such as Xianning in Hubei, Taoyuan in Hunan, Suzhou in Jiangsu, Guilin in Guangxi, Hangzhou in Zhejiang and Chengdu in Sichuan.
Osmanthus fragrans is not strict with the soil. Except alkaline soil and low-lying land or soil that is too sticky and poorly drained, it can generally grow, but slightly acidic sandy loam with deep soil layer, loose and fertile soil and good drainage is more suitable.
Osmanthus fragrans is evergreen all year round, with lush foliage, crisp autumn air and overflowing fragrance, which can be described as "monopolizing Sanqiu over others". It is widely used in gardens, often used as landscape trees, including single planting, opposite planting and cluster planting. In the classical gardens of China, sweet-scented osmanthus is often accompanied by buildings and rocks and planted in the form of shrubs near pavilions. Old-style gardens are often planted relatively, which was called "double laurel in the court" or "double laurel leaves fragrance" in ancient times. Planting osmanthus trees around the house or in front of the window can receive the effect of "golden wind to send incense" Osmanthus fragrans is resistant to harmful gases such as sulfur dioxide and hydrogen fluoride, and it is also a good greening flower in industrial and mining areas. Osmanthus fragrans is a high-quality material for making high-grade furniture and carving. Osmanthus fragrans is as solid as rhinoceros, with delicate material, beautiful texture, luster, no breakage and no deformation. Furniture and wood carvings made of it are durable and give off the fragrance of osmanthus for a long time. Osmanthus tea has a refreshing effect. Osmanthus fragrans is slightly scalded in boiling water, and then picked up and dried. Crushed with white sugar and sealed in a bottle to keep its color and fragrance. It can be used as a food spice. It can also be compressed in a bottle to make Osmanthus Jelly.
3? Variety habit editing this paragraph
Osmanthus fragrans adapts to the vast subtropical climate. Sexual preference is warm and humid. The average temperature in the planting area is 14~28℃, the average temperature in July is 24~28℃, the average temperature in June is above 0℃, the minimum temperature is-10℃, and the optimum growth gas temperature is 15~29℃. Humidity is very important for the growth and development of osmanthus fragrans. If you encounter drought, it will affect flowering, and strong sunlight and shade are not good for its growth. Generally, you need 6-8 hours of light every day.
Some sweet-scented osmanthus bears fruit, while others bear no fruit. Drupe usually ripens in April-65438+February of the following year, and it usually takes 5- 15 years to blossom when sowing. Cutting branches, grafting and layering used for asexual reproduction can bloom in the same year. The Song Dynasty recorded: "When the moon is full of flowers, the flowers will be damaged, and the moon will be lost. It is important to know that everything in the world is in the clear autumn ",which points out the basic law of its flowering: that is, when the lunar calendar is full in August and May every year, osmanthus will bloom, and after half a month, the flowers will wither and the moon will be lacking.
Osmanthus fragrans likes warmth, strong resistance, high temperature resistance and cold resistance. Therefore, we can spend the winter in the open air in the areas south of Qinling and Huaihe rivers in China.
Osmanthus fragrans likes sunshine, but also can resist shade. In full light, it has lush foliage and dense flowers. In the shade, its branches and leaves are sparse and flowers are scarce. If potted indoors in the north, it is especially necessary to pay attention to sufficient light to facilitate growth and flower bud formation.
Osmanthus fragrans is relatively humid, and it is forbidden to accumulate water, but it also has certain drought resistance.
Osmanthus fragrans is not strict with the soil. Except alkaline soil and low-lying land or soil that is too sticky and poorly drained, it can generally grow, but slightly acidic sandy loam with deep soil layer, loose and fertile soil and good drainage is the most suitable.
Osmanthus fragrans has a certain absorption capacity for harmful gases such as chlorine and sulfur dioxide, and also has a strong adsorption capacity for dust, so it is often used for greening in cities and industrial and mining areas.
4? Change and edit this paragraph differently.
Osmanthus fragrans trees are divided into Bagui, Sijigui and Osmanthus fragrans [1], among which Jingui and Yingui are among Bagui. Osmanthus fragrans is the most fragrant and expensive variety among osmanthus fragrans varieties. Osmanthus fragrans blooms all year round, but its fragrance is very weak. The following are the differences between osmanthus varieties:
First of all, distinguish osmanthus trees by color:
1. Jingui: The color is different shades of yellow, the fragrance is strong or extremely strong, the flowers are easy to fall off, and the flowering period is autumn. It is the most common cultivation type in various places.
4. Yin Gui: The flowers are yellow, white or light yellow, with faint fragrance, firmly planted, and the flowering period is autumn. There is generally no cultivation.
[13] Dangui: The color is orange yellow or orange red, which is beautiful, but the fragrance is light, and it blooms in autumn. Although osmanthus fragrans is colorful, there are not as many plants cultivated in various places as osmanthus fragrans.
4. Osmanthus fragrans: The flowers are yellowish white or yellowish with light fragrance, but they bloom several times a year, especially in autumn. Because it blooms many times, although its fragrance is light, it is also very popular with the masses, and potted plants are often used for interior decoration.
Second, distinguish osmanthus trees from their leaf shapes:
Jingui: The leaf margin is serrated and wider than Dangui.
Yin Gui: The leaves are smooth and big.
Dangui: The tail tip is relatively long, and some leaf edge waves are also obvious.
Sijigui: The leaves are round, there is almost no tail tip, and the twigs are a little loose. It is easier to distinguish the flowering period.
Third, distinguish osmanthus trees from tree shapes:
The twigs of Jingui, Yin Gui and Dangui all grow straight up in a tree shape; The plants of Cinnamomum cassia are short and weak, usually shrubby.
The green seedling base of flower basket is the production and sales of millions of pure osmanthus, four seasons osmanthus and osmanthus, and one is also the wholesale price.
5? Edit the flowering conditions of this paragraph.
The ancients recorded a lot about the weather conditions of osmanthus flowers. Looking at the Moon at Fifteen Nights by Wang Jian in the Tang Dynasty includes "Coody Leng's Silent Wet Osmanthus fragrans", Liu Zongyuan's "Exposing Osmanthus fragrans in front of the mountain", Bai Juyi's "Steaming autumn air in the sky, golden waves picking yellow flowers in the middle of the month", and Lu You's in the Song Dynasty: "Exposing wet fragrance in the secluded path, drying small windows in the setting sun". "Coody Leng" and "Mi Lu" in the poem mean that it will be cold in the morning and evening; "steaming" means that the weather will have a higher temperature again. This cold weather in the morning and evening and sultry weather in the daytime is not only beneficial to the nutrient accumulation of osmanthus trees, but also can promote the formation of rain dew and accelerate the flowering of osmanthus trees. Suzhou people call it "turpentine steaming". Around the Mid-Autumn Festival, the weather suddenly gets hot, just like summer. Once the osmanthus is steamed, it will rot and bloom for a long time. Osmanthus fragrans flowers need both a certain humidity and a certain temperature difference.
6? Edit this historical story of osmanthus.
According to written records, Osmanthus fragrans has been cultivated in China for more than 2,500 years. In the Spring and Autumn Period and the Warring States Period, it was mentioned in Mountain Scenery in the South of Mountains and Seas that the swaying mountains were covered with laurel trees. Shan Hai Jing Xi Shan Jing mentioned that there are many osmanthus trees in Gaotu Mountain. Qu Yuan's "Nine Songs" includes "Helping Beidou to drink osmanthus pulp and faithfulness as a laurel flag". "Lu's Spring and Autumn Annals" praised: "The beauty of things is the glory of showing off". Yue Jue Shu, compiled by Yuan Kang and others in the Eastern Han Dynasty, contains Ji Ni's words: "Give birth to laurel, and history will give birth to children." It is obvious that Guangxi has been loved by people since ancient times.
From the Han Dynasty to the Wei, Jin, Southern and Northern Dynasties, Osmanthus fragrans became a valuable flower and tribute, and became a symbol of beautiful things. "Miscellanies of Xijing" records that when Emperor Wu of the Han Dynasty first built Shanglin Garden, his ministers presented more than 2,000 kinds of flowers, including ten osmanthus trees. In BC11/year, Emperor Wu invaded South Vietnam, and then built a rich palace in Shanglinyuan, where exotic flowers and trees were planted widely, including 100 osmanthus plants. Most of the plants planted at that time, such as bananas, osmanthus, henna, longan, litchi, olives, citrus and so on. , dead, osmanthus is lucky to survive. Sima Xiangru also mentioned osmanthus in Shang Fu Lin. It seems that Osmanthus fragrans was successful in the early stage of entering the palace and had a certain scale.
It is recorded in the Southern Vegetation of the Jin Dynasty: "When Guangxi leaves Hepu, it will be born on the top of the mountain, evergreen in winter and summer, with its own forest and no miscellaneous trees." Nanjing is the ancient capital of China. During the reign of Emperor Wu of the Qi Dynasty (483-493 AD), Hunan Xiangzhou sent osmanthus trees to plant in Fanglin Garden. According to "Southern Fireworks", (583-589 AD) a "Gui Gong" was built in the courtyard for the beloved princess Zhang Lihua, and a osmanthus was planted under the tree, which made Zhang Fei domesticate a white rabbit, called the Moon Palace. It is conceivable that the legend that the moon and Chang 'e, osmanthus tree and jade rabbit were regarded as the moon palace was quite popular at that time, indicating that osmanthus tree was used for garden cultivation in China as early as 2000 years ago. At present, there is also a Chinese osmanthus in the holy water in the southeast of Hanzhong City, Shaanxi Province. According to legend, it was planted by Xiao He of Emperor Gaozu Liu. Its trunk diameter is 232 cm, its crown area is more than 400 square meters, and its branches and leaves are lush and magnificent.
In the Tang Dynasty, it was very common for literati to introduce osmanthus, and singing osmanthus became a common practice. Liu Zongyuan moved more than ten osmanthus plants from Hengyang, Hunan Province to plant Lingling. Bai Juyi is the secretariat of Hangzhou and Suzhou. He brought cinnamon from Tianzhu Temple in Hangzhou to Suzhou for planting. In the Tang Dynasty, Li Deyu collected a large number of flowers and trees in recent twenty years, among which the red laurel in Tunxi, the laurel in Zhongshan, the laurel in Qushan, the purple laurel in Yongjia and the Zhen Hong laurel in Zhongshan were all introduced to his villa on the outskirts of Luoyang. At this time, it is more common to plant osmanthus in the garden temple.
Myths and legends of osmanthus constantly appear, especially the story of WU GANG cutting osmanthus in the novels of the Tang Dynasty, which is widely circulated among the people in China. Legend has it that there is a laurel tree in the middle of the month, which is 500 feet high. WU GANG, a native of Hexi in Han Dynasty, was punished for disobeying the rules when he was studying immortals. He cut down trees in the middle of the month, but he couldn't cut them down. Thousands of years have passed, and WU GANG has been cutting down trees hard every day, but that magical osmanthus tree is still full of vitality and fragrance every Mid-Autumn Festival. Only on the Mid-Autumn Festival did Wu take a rest under the tree and spend the festival with the world. Chairman Mao's poem "Ask WU GANG what he has, and WU GANG holds out osmanthus wine" is from this allusion.
After Tang and Song Dynasties, Osmanthus fragrans was widely used for cultivation and appreciation in gardens. There is a famous sentence in the poem Lingyin Temple in the Song Dynasty, "Osmanthus fragrans is in the middle of the moon, and the fragrant clouds float outside", so later generations also call it "Tianxiang". In the poem Gui Fu, Li Bai wrote, "Ghost in Nanshan, An Zhi, with green leaves and fragrant roots hanging down. Yin Qing can also entrust, why not plant Yuan Jun? " It shows that the poet should be planted in the laurel garden, which can be watched and encouraged from time to time. This demand leads to the growing popularity of osmanthus in gardens. For example, in the Song Dynasty, Mei wrote "Lin Xuangui": "There are no evil trees in the mountains, but there are green laurels." In Ouyang Xiu's Xie Shuanggui Shuzi, "Fu, Yao Lanqu" implies that osmanthus fragrans have been transplanted to the peony railing in the poet's courtyard. In Song Dynasty's Song of Osmanthus fragrans by Mao Kun, "Jade steps show graceful autumn osmanthus shadows" means planting osmanthus fragrans in front of the jade steps. In Ni Zan's poem Osmanthus fragrans in Yuan Dynasty, "Osmanthus fragrans is Ye Wan in color, and the autumn light is pale" points out that Osmanthus fragrans is planted in front of the window.
Zhou Kewen records: "The word diameter extends for more than forty miles, and all the thoroughfares are stacked with pines and laurels, and even the clouds cover the sun. People walk in the sky and smell ten miles, and the number reaches 65,438+07,000, which is really beautiful." It can be seen that pine trees and laurel trees were used as street trees at that time. In modern gardens, osmanthus fragrans follows the example of ancient times and makes full use of its lush foliage and evergreen characteristics as a greening tree species. Its configuration forms are eclectic, which can be opposite planting, scattered planting, group planting and row planting. Traditionally, it has been known as "two osmanthus flowers in the courtyard" and "two osmanthus flowers leave fragrance" since ancient times. Four traditional famous flowers, Magnolia, Begonia, Peony and Osmanthus fragrans, are often planted in front of the courtyard to express the homophonic meaning of jade, hall, wealth and preciousness.
Among many famous flowers, osmanthus fragrans is a long-lived plant. According to the survey data of 15 provinces and cities in China, there are more than 2,200 species of ancient osmanthus plants over 100, and about 0.5% of them are over 1000. These ancient osmanthus plants are precious heritages left by our ancestors, which provide us with very valuable materials for excavating osmanthus culture, conducting scientific and technological research and developing tourism resources.
Someone has done a special study on the flowering habits of osmanthus fragrans. The flowering of osmanthus fragrans is mainly annual branches, and the amount of flowers is closely related to the branching ability, the number of axillary buds and the weight of flowers.
7? Symbol editing this paragraph
People like osmanthus. At present, 16 provinces (autonomous regions), cities and counties in China regard osmanthus fragrans as the city flower, provincial flower and county flower. Five old osmanthus producing areas in history: Xianning in Hubei, Wuxian in Suzhou, Guilin in Guangxi, Manjuelong in Hangzhou, Xindu in Sichuan and Changde in Hunan.
Osmanthus fragrans is a symbol of nobility, chastity, honor, friendship and good luck. Those who succeed in official career are called "laurels". The myth of "Moon Palace Fairy" has given the world endless reverie. In the long historical development process, Osmanthus fragrans has formed profound cultural connotations and distinctive national characteristics.
8? Cultivation methods Edit this paragraph
8. 1? summary
Osmanthus fragrans (also known as Japanese Osmanthus fragrans) blooms in all seasons and smells fragrant in all seasons. Summer and autumn are full of fragrance, and spring and summer are slightly fragrant. Cultivation in four seasons can beautify the environment and can be used as medicine. Its root stew is used to treat toothache and sore throat caused by deficiency fire. Balcony and courtyard can be cultivated. The cultivation techniques are as follows:
8.2? Balcony cultivation
It is most suitable to choose young plants for balcony cultivation. For seedlings with a height of 30 ~ 50 cm, spread a layer of gravel with a thickness of 4 cm on the flowerpot, drill a few small holes in the bottom of the flowerpot (convenient for watering), and then put the flowerpot on the gravel. Then, fill the flowerpot with fine soil to cultivate osmanthus seedlings. After planting, the roots of the seedlings are covered with fine soil with a thickness of 4-5 cm, and the soil is compacted. Finally, pour root water (with clear water) to soak the soil in the flowerpot. When the seedlings survive and show new buds, pry open the soil at the roots and apply 100g fermented oil cake to each plant. After 3 months, each plant should be drenched with100g ammonium bicarbonate once with 500g manure water, and it should be applied less and more later.
8.3? Courtyard cultivation
① The seedlings with a height of 50 ~ 100 cm should be cultivated by digging holes. This nest is 40 cm deep and 50 cm wide. After the nest is made, the soil in the nest is not fine. Then cultivate and cover the seedlings with fine mud with a thickness of 7- 10 cm. Then pat the soil tightly, and finally pour a root of water (with clear water) to soak the soil in the nest. (2) If the big plant is larger than 100 cm, dig a pit for cultivation. This nest is 60 cm deep and 80 cm wide. After digging the nest, the soil in the nest is not fine, and then cultivate the seedlings. After planting, cover the soil 10 ~ 15 cm. After the soil is compacted, root water is still sprayed (with clear water) to soak the soil in the nest. When the big and small seedlings survive and sprout, apply 1 kg of human and animal manure once per plant. Three months later,1.50g ammonium bicarbonate was applied with manure water again. It is better to be diligent and less in the future.
8.4? Do plastic surgery
① Osmanthus fragrans cultivated on the balcony should be trimmed and arranged in a spherical shape with beautiful appearance. ② Osmanthus fragrans cultivated in the courtyard should be pruned to add interest and beauty to its umbrella shape.
9? Edit the maintenance points of this paragraph.
I. Three Important Periods of Osmanthus fragrans Maintenance
1, low temperature period of osmanthus trees (65438+February to February of the following year)
At this stage, the vegetative growth and reproductive growth of osmanthus trees coexist at the same time, and the flowers between shoots and leaf axils continue. When the average temperature is above 7℃, the shoots begin to grow, and the young flower branches and vegetative branches begin to grow. Inflorescence leaves degenerate, with branch length 1cm ~ 5cm and more than 20 ~ 30 buds. The vegetative branch has 2-8 leaves and 6-20 flower buds, which are located in the axils of purple buds. At the same time, the flower buds formed in the leaf axils of lignified branches have also blossomed into leaf axils, all of which are cymes. The flowers in this period are white, with a diameter of 4 mm to 6 mm and a slight fragrance.
2. Optimum temperature and flowering period (March-April and 9-165438+1October)
The temperature rises in March and April, when axillary flowers and tender-tip flowers open at the same time, and the aroma becomes stronger. In September, when the temperature dropped to about 20℃, the new shoots were lignified one after another, and lignified leaf axils mainly appeared. A number of compound inflorescences with lignified branches in the axils of opposite leaves opened one after another, and the flowers kept blooming. At this time, the color is light yellow, and the flower diameter is 6 mm ~10 mm. Because of the large amount of flowers, suitable temperature, many aromatic substances and strong fragrance.
3. High temperature period (May to August)
When the temperature is above 22℃, summer shoots with flower buds (buds) appear. Because of the high temperature and rapid vegetative growth, flower buds are inhibited, and young shoots appear buds without flowering. When the temperature is above 25℃, the bud disappears, and the new bud has no bud and no flower. However, in rainy weather, axillary flowers can also appear, and there are still a few adventitious flowers on the old stems of the main branches and lateral branches of mature trees. This period is the light flower season of osmanthus fragrans, but because of the high temperature, the aroma of axillary flowers and adventitious flowers is very rich and far away. The ecological characteristics of Osmanthus fragrans can be summarized as follows: it is most suitable for planting in the place where the annual average temperature is 10℃ to 15℃, the minimum temperature is -2℃, and the extreme maximum temperature does not exceed 25℃. It likes sunny, cool and humid climate, has wide adaptability and strong resistance, and grows well in neutral and acidic soil rich in organic matter. It can not only be used as a landscaping tree species, but also be used for the cultivation of perfume plants and medicinal plants.
Second, the maintenance technology
1, water drainage
Osmanthus fragrans is mainly watered within one month after new planting and in the summer of the same year. The newly planted osmanthus must be watered, and it can be watered in time according to the weather and site conditions. Conditionally spray water on the crown of the plant to maintain a certain air humidity and reduce the evaporation of water from the seedlings. In addition, in order to promote the early flowering of osmanthus fragrans, in mid-September, when the flower buds begin to germinate, appropriate amount of water should be used to keep the soil moist. Osmanthus fragrans seedlings do not need a lot of watering during normal maintenance, but can be properly watered in particularly dry summer and autumn. Osmanthus fragrans is not tolerant to waterlogging, and poor drainage will cause a lot of fallen leaves, root rot and even death. Drainage or transplanting waterlogged plants in time and planting with a certain amount of sand can promote the growth of new roots.
2. Rational fertilization
The principle of applying thin fertilizer frequently should be followed, with available nitrogen fertilizer as the main fertilizer, and medium and large seedlings should be fertilized three or four times a year. In early spring, before the buds begin to swell, the roots begin to move and absorb fertilizer. Therefore, in early spring, organic fertilizer should be applied to the tree tray to promote the growth of spring shoots. Spring shoots are branches that bloom in autumn that year. Spring seedlings are growing vigorously and will bloom more in the future. After Osmanthus fragrans blooms in autumn, in order to restore tree vigor and supplement nutrition, inorganic fertilizer or garbage miscellaneous fertilizer should be applied in early winter. In the meantime, fertilization can be applied once or twice according to the growth of osmanthus fragrans. The newly transplanted osmanthus fragrans has weak absorption capacity because of its damaged root system, so it is not appropriate to topdressing too early. The base fertilizer of the transplanting pit should be mixed with soil and covered with soil, and the root system should not be in direct contact with the fertilizer, so as not to damage the root system and affect the survival rate.
Fertilizer must be applied where the roots can absorb it. Seedling roots are concentrated, and transplanting is easy to survive. Therefore, fertilization in nursery should not be too far away from seedling crown, otherwise the root system will expand outward. But it is not suitable to be applied under the trunk, which is not conducive to the absorption of fertilizer.
3, plastic pruning
Pruning osmanthus fragrans is an important measure to cultivate single-dried osmanthus fragrans. Timely and reasonable pruning can make it ventilated and transparent, strengthen photosynthesis and reduce pests and diseases, so that osmanthus fragrans grows rapidly, its trunk is straight and its tree shape is beautiful.
(1) When osmanthus fragrans germinates, the buds on the trunk and base can also germinate. The useless buds at the lower part of the trunk should be peeled off in time to concentrate water and nutrition, promote the development of the upper branches and form an ideal tree shape.
(2) To cultivate dried osmanthus fragrans by thinning branches, we should consciously cultivate the trunk straight from the beginning of seedlings, maintain a certain height under branches, and cut off useless branches. Generally, the height under the branches of osmanthus fragrans is about 1.5 meters.
(3) Cut the overgrown top branches to keep the height of osmanthus fragrans at about 3.5 meters and the crown width at 2.5 ~ 3 meters. When transplanting Osmanthus fragrans, in order to maintain a complete tree shape, it is not advisable to cut it forcefully, but only cut off dead branches, disease and insect branches, sparse overlapping branches, cross branches and thin branches, and control long branches. [2]
10? Seedling editing this paragraph.
The cultivation of osmanthus fragrans seedlings is mainly based on cutting and asexual propagation. The problems of seed collection, seed treatment and sowing date of osmanthus fragrans are as follows:
1. Seed collection time: generally from the end of May to the beginning of June each year. When the seed skin changes from blue-green to blue-black and begins to fall off the tree, collect the whole seeds from the tree or the ground.
2. Post-harvest treatment: mix the seeds with river sand, grind off the exocarp until there is no fleshy residue attached to the yellow-white bone seed shell, and float the hollow seeds.
3. Seed storage: Osmanthus fragrans seeds are physiologically post-ripe, and must be stored in sand for a long time before they can germinate and emerge. Therefore, the washed seeds can be mixed with wet sand and stored in a large flowerpot or water tank, and the mouth of the flowerpot or water tank can be covered with glass (or wood board) to keep moisture and prevent rats, and it can be kept indoors in winter without freezing. During storage, sand is always wet, and the water holding capacity of sand is 10% at the initial stage of sand storage, and it can be increased to 50% at the middle and late stage.
4. Sowing time: In the first ten days of February-April of the following year, when the seeds are white, the seedlings can be sown.
5. Sowing requirements: Generally, drilling is adopted. After sowing, a small amount of straw is covered for shade, and the height of seedlings in that year can reach 15-20cm. After being cultivated in the nursery for 2 years, it will be transplanted in the spring of the third year, and will bloom after 10 years. [3]
1 1? Edit this paragraph for gardening.
Commonly used in gardens, residential areas, gardens, schools, institutions, factories, hillsides, courtyards, roadsides and buildings. When in full bloom, the flowers are full of branches, the fragrance is overflowing and the ornamental value is high; It is an ideal tree species to beautify the courtyard.