Nandina domestica belongs to the genus Nandina of Berberidaceae, and is a kind of tree species with ornamental, ecological, medicinal and other values because of its homophonic nicknames such as Nantianzhu, Nantianzhu, Lantian Bamboo, Lantian Bamboo, and other names such as Maoer Umbrella, Diamond Yellow, Red Babbage, and Small Cycas. Its roots and leaves have the effects of strengthening tendons and activating collaterals, diminishing inflammation and detoxifying, and the fruit is an antitussive drug. But there is a danger of poisoning from overdose. Nantianzhu blooms in late spring and early summer, and bears fruit in autumn. Its branches are clustered, upright and straight, and its compound leaves are flat like feathers, forming a natural tree posture, and its shape and style are like bamboo, so it is also called Tianzhu.

The moral of Nandianzhu (flower language) is auspiciousness, luck, good omen and increasingly strong love. Giving Nandina domestica to the elderly represents a good wish for peace, health and longevity; Putting the fruit branches of Nandina domestica in bottles together with the blooming wintersweet and pine branches is a metaphor for the three friends of pine, bamboo and plum, representing chastity. Nandina domestica has a good moral, but it is poisonous, so it is necessary to avoid eating by mistake to avoid poisoning.

Nandina domestica, a common horticultural variety, has red bamboo, which is widely cultivated in various places at present. Young leaves are red and gradually turn green. If you get more sunshine, the green can turn red. Red fruits look like corals in winter. Nandina domestica, also known as Phyllanthus altissima, has a yellow ripe and shiny fruit, and its leaves turn yellow in winter, which is excellent for viewing. Multicolored nandina domestica is a foliage variety, most of which are fruitless, with short plants and soft leaves. The color of leaves changes with the seasons, from white to yellow, blue, red and purple, which has high ornamental value. It is a good material for making bonsai. Nandina domestica is a rare variety with blue fruit.

As early as the Ming and Qing dynasties, Nandina domestica was listed as a gardening plant in classical gardens, and then introduced into bonsai, which was deeply loved by bonsai circles.

Nandina domestica is native to the Yangtze River valley in China, and also distributed in neighboring countries in the southeast. Mostly in wet valleys, vegetable forests and bushes, it is a calcareous soil marker plant.

The stems of Nandina domestica are clustered, upright and straight, with nodes like bamboo, and the leaf sequence is horizontal and oblique, which is chic and elegant. Its tender leaves are yellow-green, then gradually turn green, and gradually turn red after winter. June-July is full of small white flowers, which bear fruit after flowering. The fruit berries are spherical and spike-shaped, with dozens of grains per spike. They are green at first, and then turn red. The fruiting period is10-1month, and they last until February of the following year, which makes people love them for a long time. In the Song Dynasty, Yang wrote a poem called "Southern Tianzhu": "When it rains, the red fruit will be lighter and rounder; Who can cure the hot brain in the world, as long as it is fragrant and pure. " Not only praised the flowers and fruits, but also explained their medicinal value.

First, the basic habits and advantages of Nandina domestica

Nandianzhu likes a warm, humid and well-ventilated semi-cloudy environment. Hardy. Resistant to slight alkalinity

Soil. Developed root system and strong germination. The trunk is upright and straight, similar to bamboo.

Nandina domestica is one of the excellent varieties for viewing leaves and fruits, with beautiful tree posture, green and green vegetables, and numerous red fruits. Whether planting potted plants in the ground or making bonsai, it has high ornamental value. In the Spring Festival, the folks in our country often use Nandianzhu, Chimonanthus praecox and pine branch bottles, which set each other off and become interesting.

Second, the production of Nandina domestica bonsai

To make nandina domestica bonsai, seedlings can be obtained by sowing, cutting and dividing plants. You can also dig up old piles by the stream, and after 2-3 years of cultivation, you can go to the fine basin to watch. Because the stem of Nandina domestica is not easy to be coiled, the processing and modeling are mainly patchwork and pruning. This kind of bonsai is preferably dry or jungle. When modeling, there should be dense vegetables, high and low, and distinct layers. Larger plants can also be used as a landscape. The planting of Nandina domestica is mostly carried out in the germination period of spring, and it is suitable to use loose, fertile, well-drained sandy soil rich in organic matter. Controlling water and fertilizer at the early stage of growth can control the height of dry stems. Short cutting and strong shearing before germination or growth period can promote lateral buds. Lazing before lignification can change the dry shape and direction. The potted plant of Nandina domestica should be medium-deep or shallow, mainly rectangular or oval, because it is for viewing green leaves and red fruits, and the colors of the potted plant should be coordinated. According to the beautiful, free and easy, tall and straight characteristics of Nandianzhu bonsai, rocks can be dotted in the basin, streams can be built, decorations can be placed, and it can also be planted with other plants to show a better theme.

Third, the maintenance of Nandina domestica bonsai

1 Site: Keep it in a warm, semi-shady and ventilated place for maintenance. Strong light will turn the leaves red and burn the young leaves. Places that don't see the sun all day long will be deformed in vain, and there will be less flowers and fruits, and in severe cases, leaves will fall. Planting the ground in the open air for winter and moving the potted plants indoors.

2 watering: Nandina domestica likes to be wet, but it can't accumulate water. Create a humid microclimate. It is not easy to water too much during flowering to avoid falling flowers. Controlling water in the early stage of growth can control the flourishing growth.

3 Fertilization: Nandina domestica is not easy to fertilize too much. Apply organic thin fertilizer solution twice in May-June. It should be noted that Nandina domestica is a calcareous soil marker plant. Before flowering every year, some calcium-containing substances or fertilizers should be added to the basin soil to ensure more fruits.

4 shaping: in the growing period, the useless branches sprouted from the roots should be removed frequently. In early spring, combined with soil replacement, it is necessary to carry out comprehensive shaping, cut off diseased branches and useless branches, and cut short long branches, weak branches and old branches to dwarf the plants. Applying growth regulators at the early stage of growth can shorten the distance between internodes and petioles.

5 pests and diseases: Nandina domestica has fewer pests and diseases, and occasionally scale insects occur, so it should be removed in time.