Processing and utilization technology of rhododendron

I. harvesting and processing

Pick flowers at the end of spring, leaves in summer, roots in autumn and winter, fresh or dried.

II. Utilization

Landscaping: rhododendron has high ornamental value, showing beautiful and dignified tree shape and poise throughout the year, not only beautiful flowers, but also the leaf color of the whole plant for a long time, and its shape changes with the seasons. Xizang thin-leaf rhododendron and Yunnan scale rhododendron have a layer of ice-blue fruit cream on their leaves, which is very spectacular. Yunnan Leather Leather Rhododendron has a beautiful color of yellow-brown shaved new leaves or shiny white young leaves on the silver-gray tender stems in spring. The petals of azaleas are like light gauze, full of color, and the azaleas blooming all over the mountains are colorful, as if sprinkled with rouge in the green bushes; from afar, the trees are full of new greens, the breeze is blowing, and the flowers are like countless girls dancing in red. This flower is in full bloom, full of poetic and picturesque flavor, as the ancient poem says, "Azalea and birds, resentful rain, suspected blood in the mouth, dripping into flowers on the branches." Although the flowers have gone through the wind and rain, they are still burning and lovely, and the leaves are still green and luxuriant, even though they are subject to frost and snow. Rhododendron in landscaping, regardless of the combination of flowers and colors and the combination of other plants, will produce a different atmosphere and different scenery. For example, the large-flowered rhododendron and the giant cuckoo in the big-leaf rhododendron are planted with majestic trees to produce a tropical atmosphere. Pastoral rhododendron and Yunnan curly-leaf rhododendron have soft sloping narrow leaves and a muddy atmosphere. Yushan rhododendron, with compact plant shape, round-leaf rhododendron and semicircular rhododendron, dense leaves and uniform tree shape, is a common landscape in Japanese gardens; on this basis, it is backed by shrubs, or a forest. Magnolia, loquat leaf, potato, apricot and peach trees form a mirror garden with rhododendrons in front of them. Along the periphery of the garden, they surround the elegant meadows to form a hidden rhododendron garden; the garden is divided into zones, with rhododendrons as the theme, hedges, basic planting, rock garden flower mirrors, etc., because of their wide variety and wide range of choices, they are more natural and chic than a flower bed-style rhododendron garden.

In landscaping, it should also be taken into account that the collocation of azaleas with different background colors and varieties in different flowering periods, and the collocation of colors all give people a kind of stimulation. Such as red, purple, orange, pink and other colors, although there are differences in color, but all based on red variants, together with a sense of coordination, belonging to the approximate tone of harmony, emotional will cause mild excitement, decorative. The contrast of the safflower cuckoo on the big lawn is red with green, which is particularly eye-catching, but the color block should not be too large. White rhododendron can be used to isolate two tones, can not be planted alone, too monotonous, mixed species can easily dilute the tones of other flowers. Due to different varieties, it can be suitable for application in all aspects of greening. Produced in Yunnan calyx rhododendron, camellia rhododendron, bright-scale rhododendron, red-brown rhododendron, broken rice rhododendron, orchid rhododendron produced in Xizang, these varieties are suitable to be used as hedges in landscaping. These varieties such as curved column rhododendron, purple-backed rhododendron, recumbent rhododendron and stem rhododendron produced in Yunnan can be used as land. Produced in Sichuan dwarf sparse leaf rhododendron, Qinghai dense branch rhododendron and other varieties can be used as land and edge decoration. Produced in Xizang white rhododendron, white-backed rhododendron, Yunnan rhododendron, blood-like rhododendron, calyx rhododendron, gray-backed rhododendron. Yaku rhododendron produced in the former Soviet Union and Yinghong rhododendron in North China are suitable for basic planting of landscaping.

Edible: the roots and flowers of rhododendron are edible. Fresh or dried azaleas can be drunk after soaking in wine for 24-48 hours. Azaleas make soup, delicious and delicious. Making method: split the pig's hoof into two slices, cover them with boiling water, rinse with clean water, cut spring onions and ginger into slices, boil them all over high heat in chicken soup, add soy sauce, cooking wine, salt and sugar to boil. Remove the stems of the washed azaleas, add the shredded azaleas when the pig's feet are rotten, add and stir, put the flavor and adjust the taste.

Medical applications: rhododendron root, sour, astringent, warm, toxic. Remove rheumatism, activate blood circulation, remove blood stasis and stop bleeding. Leaves, flowers, sweet, sour, flat. Heat-clearing and detoxification, resolving phlegm and relieving cough, relieving itching, rhododendron contains anthocyanin, cypermethrin-3-glucoside, 3mine 5-diglucoside, two pigments exist at the same time. It also contains flavonols: rhodoflavin-3-rhamnoside, dihydroflavonoids in leaves, fern glycosides and so on. The root contains tannin. The antitussive effect of leaves is very good. 50g rhododendron leaves, 100g hairy peaches, 40g Houttuynia cordata, 25g Elaeagnus angustifolia cotyledons, 15g sheep ear chrysanthemum, soak 30min in 3 bowls of warm water, then boil 40min in low heat and take it twice a day for 10 days.