Evergreen plant fence (recommended seedlings as fence)

Hedge is a common landscaping technique in modern gardens. It is a conventional planting form, in which plants are densely planted in rows, forming different forms of tree walls and hedges. Hedgerow is an important part of greening landscape, which plays an important role in improving ecological environment and beautifying landscape. At the same time, it also has the functions of shielding bad viewpoints, isolation protection, dust prevention and noise prevention, and guiding tourists to watch the route.

Types of hedges and green walls

The opaque wind structure of any regular forest belt consists of one or two rows of shrubs or small trees at equal intervals, which are called hedges and green walls.

According to the function, it can be divided into: sound barrier, dust barrier and decorative barrier.

According to ecological habits, it can be divided into evergreen hedges, semi-evergreen hedges and deciduous hedges.

According to the ornamental value, it can be divided into evergreen hedges, flower hedges, fruit hedges and colored leaf hedges.

According to the height, it can be divided into: green wall, high hedge, hedge and short hedge.

Hedges and green walls-Any hedge with a height above 160cm can block people's sight and make them unable to look out. These hedges are called hedges and tree walls.

High fence-the height is below 160cm, and the average person's chest height is above 120- 130cm. People can still see through it, but they can't jump over it. This kind of hedging is called high hedging. A variety of doorways and landscape windows can be opened in the high hedge to decorate the landscape. The hedge materials can be selected from Broussonetia papyrifera, oak, france holly, Ligustrum lucidum, Sabina vulgaris, dustpan willow, elm, Caragana, Amorpha fruticosa and so on.

Middle hedge-any hedge whose height is below DBH 120cm and above 50cm, which people must struggle or jump over, is usually called middle hedge. Hedge is the most commonly used hedge in general garden green space. The middle hedge should be made of flower hedge, fruit hedge and leaf hedge, and the hedge materials can be gardenia, colorful orchid, Michelia, hibiscus, red mulberry, bell flower, chamomile, Ligustrum lucidum, Phnom Penh coral, Ligustrum lucidum, Qilixiang, Pittosporum fortunei, pyracantha fortunei, Ilex cornuta and tea.

Dwarf hedge-any hedge with a height less than 50 cm that people can pass through without difficulty is called a dwarf hedge. This kind of hedge can be seen everywhere on the edge of flower beds and green belts in many parks and urban streets. Dwarf hedges can be set permanently or temporarily, and plants can be renewed, including woody and herbaceous plants, which are highly variable. Generally, plants are required to be low, flowers, leaves and fruits have ornamental value, rich fragrance, bright colors and strong variability. Commonly used plants are Rosa chinensis, Buxus buxus, Alnus cremastogyne, Gardenia dwarf, Xuezhong, Sabina vulgaris, Evergreen, Kochia scoparia, Bunge Red, Colored Grass, Zhu Dinghong, Berberis amurensis, Jasmine, Rhododendron and so on.

When the hedge wall has no background, the plants are tall, usually 3/2 of the height of a story, and some naturally cling to the building, which can not only make the background thick, but also soften the stiff lines of the building. You can choose plants, such as bananas, bamboo, osmanthus and so on.

When the hedge wall has a background, as the finishing touch of the foreground, it can not only make it more integrated into greening, but also improve its quality. Select plants: model trees, shrubs and flowering plants.

What kind of trees are suitable for hedges?

1, which can be densely planted.

Hedges are mostly planted in rows, and the distance between them and adjacent trees is very small, so it is necessary to choose trees suitable for close planting.

2. High density of branches and leaves

To get shelter, the density of branches and leaves should be high. Try to choose tree species with small leaves and fine branches.

3. Slow growth

As a fence, hedges must maintain a certain width, depth and height. If it grows too fast, it will be troublesome to prune it many times a year, so choose a variety that grows slowly.

Step 4 resist pests and diseases

Because it is densely planted, it is difficult to treat the disease. Therefore, it is best to choose varieties that are resistant to pests and diseases.

1, arhat pine

Podocarpus has strong resistance to pests and diseases, and the maximum length can reach 20 m. The height of the tree can be controlled by pruning. Don't need much maintenance, the best time for planting is March-April, and pruning is June-July.

2. evergreen juniper

Evergreen all the year round, resistant to pruning, can be used as a hedge side by side, with a height of 0.8-4 meters. Its nature likes sunshine, sunshine, warmth, drought resistance, cold resistance, certain anti-pollution, virus, and lax requirements for soil.

3. Hibiscus

Hibiscus has strong adaptability to the environment, is arid and barren, does not have strict requirements on soil, likes warm and humid climate, is resistant to pruning, heat and cold, but needs protection in northern China. Important flowering shrubs in summer and autumn. Hibiscus has strong resistance to harmful gases such as sulfur dioxide and chloride, and also has strong dust retention function.

4. Erythrina

Coral trees are flourishing, with good shielding effect and pruning resistance. Coral trees have a strong anti-toxic function and can be used to absorb toxic gases in the atmosphere.

5. Pyracantha fortuneana

Strong light, barren resistance, drought resistance and cold resistance; Plant in the open area south of the Yellow River. Strong adaptability, pruning resistance, like germination, as a hedge has advantages. Strong natural resistance, less pests and diseases. As long as you are diligent in pruning, the hedges planted that year will be effective that year. Good dust filtering effect, strong absorption and resistance to sulfur dioxide.

6. Ligustrum lucidum

Ligustrum lucidum can grow to 5 meters high, and the height can be adjusted by pruning. Ligustrum lucidum has strong adaptability and high ornamental value. The more branches are pruned, the denser they are. Very suitable for hedges.

7. Boxwood

Buxus buxus has strong adaptability, straight growth, single stem straight up, the height can be from 0.5 meters to 2.5 meters, and the growth rate is fast. Light-loving, shade-tolerant, lax in soil requirements, long life, strong germination and pruning resistance; It has the characteristics of cold resistance, drought resistance, strong ability to resist pests and diseases, strong ability to absorb harmful gases, and strong ability to resist harmful gases such as sulfur dioxide, hydrogen and hydrogen fluoride. Widely used in northern China.