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Jasmine (scientific name: Jasminum sambac (L.) Aiton) is an upright or climbing shrub of the Oleaceae, Frangipani genus, with a height of 3 meters. Branchlets cylindrical or slightly compressed, sometimes hollow, sparsely pilose. Opposite leaves, simple leaves, paper leaves, round, elliptical, ovate-elliptic or obovate, rounded or obtuse at both ends, sometimes slightly heart-shaped at the base, slightly concave or concave on the top, convex on the bottom, thin Veins are often obvious on both sides and slightly convex. Except for the lower veins, which are often tufted with hairs in the axils, the rest are glabrous; lobes are oblong to nearly round, with rounded or blunt apex. The fruit is spherical and purple-black. Flowering period from May to August, fruiting period from July to September. Jasmine's flowers are extremely fragrant, which is a famous raw material for scented tea and an important flavor material; the flowers and leaves are used medicinally to treat red eyes, swelling and pain, and have the effect of relieving cough and reducing phlegm.

Adapt to the climate

Jasmine likes to be warm and moist, and grows best in a well-ventilated, semi-shady environment. The most suitable soil is slightly acidic sandy soil containing a lot of humus.

Potted jasmine: water early and late every day in summer. If the air is dry, you need to add water spray; during the dormant period in winter, you must control the amount of watering. If the pot soil is too wet, it will cause rotted roots or fallen leaves. During the growth period, apply thin pancake fertilizer once a week. After changing pots in spring, you should often topping and shaping. After the blooming period, you should re-cut to facilitate the germination of new branches, so that the plants are neat and strong, and the flowers bloom vigorously.

Jasmine seed planting method

1. Sowing: In the north, you can grow seedlings in a greenhouse or a geothermal seedbed. The seeds are removed from the seedbed, and the ground temperature is controlled at about 20℃. After the seedlings emerge, the ground temperature should be stopped. The seeding rate per square meter is about 300 grams. When there is 1 pair of true leaves, the seedlings are transplanted once, and a single plant becomes a seedling. 5-7 days before planting, cooling and enlarging the seedlings by wind, and planting after the final frost. It can also be seeded in a small arched shed without transplanting, and seedlings can be grown at one time, and the seedlings can be seeded at a distance of 7 cm x 7 cm.

2. Soil: If you want jasmine to grow well, it is recommended that you choose fertile sandy and semi-sandy soil for family potted jasmine soil.

Planting in slightly acidic soil with a value of 6 to 6.5 will have dense roots and vigorous growth. If the soil is heavy, lack of substrate, low fertility, and poor ventilation, the root system will be less, the plants will be short, the stems and leaves will be slender, and the flowers will be few and small.

3. Watering: Jasmine is not drought-tolerant, but avoids water accumulation. In rainy season, dump the water in the basin in time, otherwise the leaves are easy to turn yellow. Water twice a day on a hot and sunny day in summer, once in the morning and once in the evening. If you find that the leaves are curled, you should spray water on the leaves to promote growth. In the rainy season, you need to loosen the soil frequently to prevent water from accumulating in the basin. Pour water once every few days in spring and autumn. In winter, keep the pot soil moist. If you water too much, the roots will turn black and rot, and the leaves will turn yellow and fall off.

4. Light: Jasmine loves hot, humid, ventilated and breathable environment, and needs sufficient light. Jasmine is chilly, and potted jasmine in the south can be cultivated outside for the winter. In the north, it is necessary to keep warm in autumn and winter and move it indoors and place it in a southerly direction. Strong sunlight makes the branches strong, the leaves are dark green, and the flowers are many and fragrant. If the sun is not enough, the flowers are sparse but not fragrant. The stronger the light, the more developed the root system of jasmine, the stronger the plant growth, and the stronger the ability to resist stress.

5. Temperature: Jasmine is more sensitive to temperature, requires warm and humid climate, and can adapt to higher temperatures; but it is not resistant to low temperatures and has poor cold resistance. When the temperature is below 10°C, jasmine grows extremely slowly and even stops growing. Buds can germinate at around 19°C, and flower buds can grow at temperatures above 25°C. Flower buds form and develop well at 30-40°C. If the room temperature is controlled at about 20°C in an air-conditioned room, the bud opening time can be delayed by about 10 hours. After the low temperature is released, the room temperature will rise to a suitable temperature for the bud opening, and the jasmine can open quickly and have a strong fragrance. pure.　　

6. Fertilization: The high temperature season in midsummer is the peak season for jasmine growth. Apply more organic fertilizers and phosphorus and potassium fertilizers, such as peanut meal, bone meal, superphosphate and multi-element flower fertilizer, and apply twice a month. Jasmine often has luxuriant branches and leaves but does not bloom during the summer growth period. The main reason is that excessive nitrogen fertilizer is applied, which causes the branches and leaves to grow. In this situation, control the fertilizer and water, increase the application of phosphorus and potassium fertilizers, and promote the development of flower buds. Move jasmine to a sunny and well-ventilated place.

7. Prevention and control of pests and diseases: Jasmine often has moth larvae, scale insects and red spiders.

It is the most serious from September to September. It often eats flower buds. It can be sprayed with all-purpose powder or pyrethroid with water 200 times, sprayed once every half month, even if there is no disease or insect damage, it should be sprayed, so that the prevention is first, and the spraying time is sunny. It is advisable to spray at 9 am and 4 pm at noon to prevent phytotoxicity.

Note:

1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.