Growth habits and planting methods of Rhododendron

It is distributed in all the north and south provinces except China, especially in Yunnan, Xizang and Sichuan, which is the distribution center of rhododendron in the world.

There are many species of rhododendron with different habits, but most of them are produced in high altitude areas, like cool and humid climate, and hate hot and dry. Acid soil rich in humus, loose, moist and PH value of 5.5-6.5 is required. Some varieties and horticultural varieties have strong adaptability and are resistant to drought and barren, and the soil PH value can also grow at 7Mel 8. But in the viscous or poor permeability of the soil, it will grow badly. Du Uighur flowers have certain requirements for light, but are not resistant to exposure. There should be deciduous trees or shade sheds to block the scorching sun in summer and autumn, and the ground should often be sprayed with water.

Rhododendron shoots are usually in spring and autumn, mainly spring shoots. The most suitable growth temperature is 15 Mel and 20 degrees. Growth stagnates when the temperature is above 30 degrees or below 5 degrees. There is a short dormant period in winter, and then the flower buds expand gradually with the increase of temperature. generally, the flower buds bloom in the open field from March to May and as late as July to August at high elevations. Cultivated in greenhouse in the north, it can blossom in January to February.

Rhododendron is resistant to pruning, and hidden buds are easy to germinate after stimulation, which can be used to control the shape of the tree and rejuvenate the tree. Generally pruning before May, the new shoots can form buds in the same year, and flowering will be affected if they are too late. Generally speaking, the new shoots germinated before and after the Beginning of Autumn can still be lignified. If the formation of new shoots is too late, it is easy to suffer frost damage in winter.

Growth habits of rhododendron the efficacy and function of rhododendron

When the azaleas were in full bloom, just when the cuckoo birds were singing, the ancients left many poems and beautiful and moving legends, and there was the custom of taking flowers as festivals. Azaleas are mostly shrubs or small trees, which have their own living habits and shapes due to different ecological environment. The smallest plant is only a few centimeters tall, cushion-shaped and close to the ground. The largest is as high as a few feet, standing tall and magnificent. So, what is the effect of azaleas? Let's get to know it.

I. growth habits of rhododendron

The habits of azaleas range from evergreen to deciduous, from low ground cover plants to tall trees. First cultivated in the mid-17th century for garden viewing is the dense hair alpine rhododendron (Rhirsutum), up to 1 meter (3 meters) high. Others range from mat dwarf species only 10 cm (4 inches) in height to trees more than 12 m tall, such as the creeping rhododendron (Rprostratum) native to Yunnan, China, and the tree rhododendron (Rbarbatum), and the big tree rhododendron (Rgiganteum) native to Asia. Except for Yingshanhong, the leaves are thick, leathery and evergreen; the flowers are usually barrel-shaped to funnel-shaped and vary widely in color, such as white, yellow, pink, scarlet, purple and blue.

China is the distribution center of rhododendron, with about 530 species, which are distributed in all provinces except * and Ningxia. The southeast of Xizang, the southwest of Sichuan and the northwest of Yunnan are the most concentrated producing areas, accounting for more than 100 species respectively. The varieties of rhododendron in Yunnan alone account for more than half of the national varieties. Many countries in the world are introduced from here.

Rhododendron is a large genus, with more than 900 species in the world, distributed in Europe, Asia and North America, while there are 850 species in Asia, of which there are more than 530 species in China, accounting for 59% of the world. It is especially concentrated in the Hengduanshan vein area of Yunnan, Xizang and Sichuan provinces, and is the birthplace and distribution center of rhododendron in the world. There are also many species in Bhutan, Sikkim, Nepal, Myanmar and northern India in the Himalayas, while only a few species are found in Japan, North Korea, Siberia of the Soviet Union and the Caucasus.

Second, the efficacy of rhododendron

Rhododendron, also known as Yingshanhong, is known as Xi Shi in flowers. Its flowers, roots, stems and leaves can be used for medicinal purposes, picking flowers in early spring, leaves and roots in autumn and winter. Azaleas taste sour, sweet and warm. It is generally believed that its medicine is relatively peaceful and has the effect of harmonizing blood, regulating menstruation and dispelling rheumatism. It is suitable for irregular menstruation, amenorrhea, metrorrhagia, injury caused by falling, rheumatism, hematemesis, etc. Clinical application shows that azaleas, leaves and roots all have the function of hemostasis, but also can stop cough, expectorant, antiasthmatic, mostly used for acute and chronic bronchitis, cough phlegm and other respiratory diseases.

[cough cough phlegm] Azalea 30 to 40 grams, single water decoction, can be used for chronic bronchitis, cough phlegm; can also be used purple rhododendron tablets, 5 tablets, 3 times a day, warm water. At present, the capsules and Kechuan oral liquid of Manshanhong (Rhododendron family) preparation are commonly used in bronchitis and can be selected under the guidance of doctors.

[treatment of phlegm drink cough and asthma] 10 grams of azaleas, 3 grams of genkwa, 10 grams of winter flowers. Pan-fried suit. This prescription has good antitussive, expectorant, antiasthmatic and drinking effect. It is suitable for long cough, excessive phlegm, stopping drinking in chest, dyspnea, chest tightness, shortness of breath, puffy face, blue lips and so on.

[treatment of hemoptysis] 10 grams of rhododendron, 30 grams of crane grass, 10 grams of white and 10 grams of licorice, fried with water, 1 dose a day.

[treatment of epistaxis] Azalea 15g / 30g, fried in water. It is effective in treating nosebleed.

[irregular menstruation] for those with irregular menstruation and abdominal pain, 10 grams of rhododendron, 5 grams of rose, 20 grams of motherwort, 1 dose a day. Menstrual closure, dry and thin, can be used Yingshan red 60 grams, water frying service, in the disease namely stop.

[treatment of skin diseases] Azalea fresh leaves soup bath, can treat urticaria. 60 grams of azaleas, 30 grams of paulownia flowers, baking and grinding, apply with tung oil (shaving the head before applying medicine) in the affected area, which can cure tinea capitis (mangy head).

Note that generally used rhododendron plants are pink, yellow rhododendron plants and flowers contain toxins, which can cause poisoning after accidental eating; white rhododendron flowers contain tetracyclic diterpenoid toxins, which can cause vomiting, dyspnea, limb numbness, etc., which should not be eaten or used medicinally.

The function of rhododendron

1. It has certain medicinal value. Azaleas are sweet and bitter, flat and fragrant, and have certain medicinal value in medicine. Azaleas are commonly used in folk to boil pig feet, which can remove rheumatism, regulate menstruation and blood, calm nerves and dryness, treat female leucorrhea, and have the effect of whitening and freckle for long-term drinking. As a very famous Chinese herbal medicine the leaves and flowers of rhododendron can treat urticaria and have a significant effect on antitussive and expectorant treatment of acute and chronic bronchitis. Every part of rhododendron is very useful, its flowers, leaves and roots can be used as medicine, and the taste is acidic, which can activate blood circulation, stop bleeding and dispel rheumatism. The effect of irregular menstruation is significant. Generally you can use 10 grams of rhododendron 5 grams of rose and 20 grams of motherwort.

2. It has other functions. Rhododendron is an excellent bonsai material with luxuriant leaves, beautiful and colorful, strong germination and resistance to pruning. In the garden, it is most suitable to be planted in clumps on the edge of the forest, by the stream, by the pool and beside the rocks, or under the sparse forest. Rhododendron is also a good material for flower hedge, and rhododendron can be pruned and cultivated into various forms. Some are also edible, the flowers of Yingshanhong are sour and can be eaten raw; the flowers of rhododendron and rhododendron are beautiful vegetables of the people in central Yunnan up to now; they are soaked and retted with the branches, leaves and flowers of rhododendron, which can be used as insecticidal pesticides. And some kinds of bark, leaves are rich in dipping, can extract tannin extract. In addition, rhododendron wood, root pocket, delicate texture, tough, can make bowls, chopsticks, pots, bowls, pipes, roots and other daily workers, arts and crafts.

As an excellent ornamental value of flowers, azaleas can have so many functions, but also very rare, like friends might as well raise a pot.

How to cultivate Rhododendron and its Propagation method

Rhododendron is a kind of herb of Compositae. It is only half a meter tall and has feathery green leaves. The azaleas surrounded by green leaves are very beautiful, elegant and unique. Next, I would like to share with you the breeding methods of azaleas. Propagation methods of Rhododendron

What is a rhododendron

Rhododendron is one of the top ten famous flowers in China, with many species and beautiful colors. Rhododendron is deeply loved by everyone, because of its high ornamental value, and can decorate the courtyard, so it is known as the laudatory name of Xi Shi.

II. Propagation methods of rhododendron

When azaleas breed, we should pay attention to the growth habits of azaleas. Azaleas are plants that like to be cool but avoid summer heat, so we must pay attention to the shading treatment of azaleas to a certain extent, and it is best to know how to avoid the direct light of the hot sun. Azaleas don't like dry soil, so prepare a moist soil for azaleas to live in. Azaleas have higher requirements for acidic soil, so azaleas can not be planted on saline-alkali soil. Azaleas prefer lighter soil and cannot be planted on heavy soil. The second is to use excellent drainage performance, can not cause soil stagnant water.

Third, how to raise azaleas-- the site

Rhododendrons can be planted indoors or outdoors in the open air. Planting rhododendrons should have a drainage slope. If they are planted in flowerpots, they need to be equipped with partitions.