Folded thuja is one of the popular varieties that can often be found in city parks, squares, as well as in summer cottages. This look is very decorative. It has other names - giant thuja, red cedar. Breeders bred several varieties. The description and features of growing one of them under the name Kornik are contained in the article.
Description
A tree of the Kornic variety grows to a maximum height of 50 m. Crohn's it is formed in the form of a pyramid. It is thick. In diameter reaches three meters. The branches are short, horizontally located, hanging, powerful.
Needles of bright green color. Young needles grow with yellow ends. This gives the crown an overall golden hue.
- The plant is valued because of these characteristics:
- high level of frost resistance;
- decorative appearance throughout the year;
- low soil requirements;
- long life.
Did you know? Thuja wood is called a “negligee” because of its high resistance to decay. It is often used to make boats, canoes, and tops of racing yachts.
Landscape design application
Landscape designers use thawed Kornik in single and group plantings. It can be planted in summer cottages with large areas, in city parks, alleys, squares. Most often, in landscape design, hedges are made from these trees, which are able to protect the site from wind and dust. In group plantings, the Kornik variety combines well with other conifers, including the western variety of thuja, creating original decorative compositions with them.
Landing
The further growth, development and decorativeness depend on how correctly the tree is planted. Planting thuja is easy.
The main thing is to follow a few simple rules:
- Observe the recommended planting dates for this crop.
- Select a place to grow according to the preferences of the plant.
- Get high-quality healthy planting material.
- Adhere to landing technology.
Best time
Thuja quickly and well takes root if planted in the spring - in April - May. Planting should be scheduled for morning or evening hours. The main thing is that there should be no scorching rays of the sun.
It is not forbidden to plant thuja in the fall - in September - October. However for seedlings with an open root system this time is not suitable. During the autumn planting, seedlings may not have time to take root in the ground. The risk of frostbite increases by 10%.
Important! During autumn planting, arborvitae may turn yellow and fall off the leaves. This is a natural process that cannot be treated, since the needles will recover in the spring.
Site selection and preparation
For thuja Kornik, you should choose a site that is well lit by sunlight. Landing in light partial shade is allowed. The place must be protected from the winds. It is advisable that groundwater does not approach the surface of the earth closer than 1 m. Otherwise, you need to organize a high layer of drainage.
Thuja grows well on moist, fertile, drained soil with acidity in the range of 4.5–6 pH.
Landing pit must be prepared a few weeks before planting. It must be dug 60–80 cm deep. If the plant is planted from the container, then the pit should be prepared 2 times deeper and 3 times wider than the earthen lump. The pit must be filled with a fertile mixture composed of turf or leafy soil (2 parts), peat (1 part) and sand (1 part). Nitroammophoska (50 g) should also be added.
At the bottom of the pit, it is necessary to lay a drainage layer of broken brick, pebbles, expanded clay, crushed stone. The recommended layer height is 10-15 cm. If several plants are to be planted, a distance of 0.5–3 m should be left between the planting pits.
When organizing a hedge in 2 rows, the spaces between plants should be 0.5–0.7 m, in a row - 0.4–0.5 m.
Step-by-step instruction
Landing thuja - the process is quite simple. It is not much different from planting other crops. Nevertheless, it has its own nuances.
When landing a thuja from a container, you should follow the step by step instructions:
- A day before moving into the soil, it is good to water the seedling.
- Remove thuja from the container without destroying the earthen coma.
- Put the seedling in the center of the pit.
- Align so that it is flush with the ground.
- Fill the hole to the top with prepared soil mixture.
- Trample with light movements.
- Make a groove along the entire diameter of the trunk circle at a distance of 20–25 cm from the trunk.
- Pour 10 liters of water into it.
- Mulch with pine bark or peat.
If a seedling with an open root system is planted, then before putting it into the soil, the roots need to be dipped into the root forming agent, for example, “Kornevin” or “Heteroauksin”. Cron should be treated with an anti-stress agent. These procedures will allow the seedling to adapt faster in open ground and grow.
Further care
Folded thuja does not require much attention. But to keep her healthy and decorative all year, she should be regularly looked after. Care consists in timely moisturizing, fertilizing. It is also important to carry out pruning, spraying with fungicides and insecticides and other necessary measures to prevent infection with diseases and pests.
Video: Thuja Kornik
Watering and feeding
Thuja Kornik loves high humidity, so you need to make sure that it is not in overdried soil for a long time. Young plants should be watered once a week or more often, depending on weather conditions. Moistening of mature trees is allowed to be carried out 1 time in 10 days.
Check out
After rains, weeding and irrigation, loosening is necessary. This procedure is necessary so that a hard crust does not form on the soil surface, preventing the flow of water and oxygen to the roots. It allows you to significantly improve the condition of the soil.
If there is often no opportunity to water thawed, then the soil in the near-stem zone should be mulled. The mulch layer will help to maintain the optimum level of humidity longer, reduce the number of loosening and weeding.
To improve decorativeness and growth, make the tree more robust allow fertilizer application. Feeding should start when 2 years have passed after planting. It is best to use universal fertilizers, for example, Kemiru-Universal. Mineral mixtures specially designed for conifers are also suitable.
The dosage and frequency of top dressing must be agreed with the instructions.
Pruning
To form a beautiful crown and protect the tree from diseases and pests, you need to trim the thuja every year. When forming, the branches are trimmed moderately, no more than a third. In the spring, before the start of the growing season, the plant should be cut for sanitary purposes.
Important! You cannot use the same tool to trim different plants. Starting to cut each tree or shrub, a pruner or other device should be sanitized.
During this pruning, all old, damaged, dry, frostbitten, diseased branches are removed. Trimming should be done exclusively with a sanitized tool. Slices should be immediately treated with copper sulfate and greased with garden var or RanNet.
Disease and Pest Prevention
Thuja Kornik is distinguished by strong immunity. But if it is improperly planted or not taken care of, then it can be affected by pathogenic fungi, bacteria, viruses and harmful insects.
As a rule, after such a defeat, the decorativeness of the plant suffers greatly: it turns yellow, turns brown or falls off needles, the branches dry out. Treatment of diseases and getting rid of pests is usually a long and troublesome procedure.
Did you know? The name Thuja in Latin came from Greek and translates as incense, sacrifice. In ancient times, thuja wood was burned during sacrifices in order to propitiate the gods.
Therefore, it is better not to bring to them, but to act in advance, by conducting the following preventive measures:
- Conduct a thorough cleaning of the site from plant debris in the autumn.
- To dig the soil in the tree circle on a bayonet in the fall.
- To spray a tree crown in spring and autumn with copper-containing agents.
- Inspect the plant regularly to detect the problem at an early stage and begin treatment as soon as possible.
Against diseases like late blight, rust, shute, browning shoots, in the early spring, before juices are put forward, it is necessary to carry out treatments with systemic fungicides, for example, Fundazolum, KhOM, Abiga-Peak, Bordeaux liquid, Topsin-M.
To prevent the spread of pests in the following ways:
Insect name | Preventive measures |
Spider mite |
|
Leaflet |
|
False shield |
|
Speckled Moth |
|
Wireworm |
|
Video: How to deal with a thuja false shield
Wintering Rules
So that young trees do not suffer from frost, they must be wrapped in burlap immediately after the first frost, and the root system should be insulated with a high layer of mulch in the near-trunk zone. It is necessary to remove the shelter at the end of March - in April.
Adult plants do not need shelter for the winter. They are able to tolerate low temperatures up to –25 ... –30 ° С. But their crown must be protected from the dangerous first rays of the sun, which can burn needles, so in February the trees must be wrapped in burlap, kraft paper or other opaque material that can not let in sunlight.
So that the snow does not damage the branches, they should be tightly pulled around the trunk.
So, thuja folded varieties Kornik has an original crown shape and a beautiful color of needles, due to which it can be used for landscaping various sites: country, homestead, garden, park. This tree is not very demanding on conditions and care. Subject to the recommendations for cultivation, it will delight year-round decorativeness for several decades.