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Barberry Koronita is a spectacular accent of a sunny garden. The shrub will be in the spotlight throughout the warm season, thanks to the exquisite decorativeness of the leaves. Planting and care on the shoulder, even novice gardeners.
Description barberry Thunberga Coronita (Coronita)
This squat beautiful shrub grows in the range from 50 cm to 1,5 m. . Densely growing shoots are prickly, equipped with simple reddish spines, almost invisible against the background of foliage, 1-1,2 cm long. Oval-ovate leaves with smooth edges are small, elongated up to 1,4-0,5 cm, only 2 cm wide. Their original and decorative feature – brownish-red shades of the leaf blade with a narrow green-yellow border. The border stands out brightly in spring and early summer.
Young shoots of barberry Thunberg Coronita are bright red with the same leaves. Then the bark darkens to brown. Reddish buds up to 5 mm in size. Shoots of a young barberry grow vertically, with age they become picturesquely curved. Small flowers of barberry Thunberg Coronita bloom in May. They are collected in small brushes or single. Corollas light orange. They bloom for almost 2 weeks, sometimes until the first decade of June. By October, red oblong fruits ripen, adding bright colors to the burgundy autumn bush, and then still remain in the winter. The berries are inedible.
Planted in the shade, this variety loses its original leaf color.
Barberry Coronita in garden design
The barberry of the Koronita variety focuses on itself, like a bright spot among garden greenery. Designers use shrubs in various compositions and options:
- emphasis on a specific group of garden bushes;
- contrast for a group of conifers;
- tapeworm among the lawn;
- component of rocky now;
- a natural element of an oriental-style landscape, since the plant is a native of the southern slopes of the mountains in China and Japan;
- the main component of the border or hedge.
The thorn bush will grow into an impenetrable barrier in 6-7 years. For this purpose, plants of the Coronita variety are placed close to each other. Another feature of the barberry is plasticity during shaping. Using skillful pruning, masters of topiary art create interesting compositions. A photo of the barberry Thunberg Koronita shows how brightly the plant solos on rock gardens, in borders or rockeries.
Planting and caring for Coronita barberry
A shrub that is undemanding to conditions is grown without much hassle.
Seedling and planting preparation
Barberry Koronita is quite unpretentious to soil types. It develops very well on loose sandy loams and loams, where the acidity index is 5-7,5 units. It is important that the site is well-drained. Barberries are not suitable for swampy places or areas with stagnant water after melting snow or rain. Grows luxuriantly in fertile land, but can thrive in dry and poor areas. The only immutable requirement is placement in the sun. Light partial shade is allowed for several hours, but the leaves will lose a little in red saturation.
According to the description, the barberry of Thunberg Koronita has superficial roots. It is recommended to purchase seedlings in specialized stores or nurseries grown in containers. During the development, the bushes have already acclimatized and will take root more easily in a particular area, which is located in the same area. Before planting, the container with the seedling is placed in a large container with water. The soil is saturated with moisture, and the plant can be easily removed from the pot without injuring all the small roots.
Rules of landing
When planting barberry Coronita in groups, they retreat 1,6-2,2 m between the bushes. For hedges, holes are placed densely, with an interval of 50-60 cm. Pits are dug 40-50 cm deep with the same diameter. A drainage layer is applied, then a substrate, where sand and humus are mixed in one part with two parts of soddy land.
Landing algorithm:
- a seedling of the Coronita variety is carefully removed from the pot, trying not to damage the roots;
- put on a mound of substrate in a hole so that the root neck will be 4-5 cm under the soil;
- the roots are sprinkled with a substrate, compacting around the stem;
- water and mulch;
- cut the shoots to 3 buds that go out.
For a month, the young Coronita barberry is watered after 7-10 days.
Watering and top dressing
Care, as well as planting barberry Thunberg Koronita, are simple. From the moment of moving, the trunk circle is kept clean, removing weeds and regularly loosening the soil. If it rains, do without watering. In hot summers, moisten the area with warm water 3-4 times a month. Fertilize in the spring with humus, compost or ready-made preparations for shrubs. In autumn, Coronita barberries are mulched with peat, humus, compost.
Trimming
A neat, compact bush of barberry Thunberg Koronita practically does not need formative pruning, as it grows small. For decoration, a certain selected silhouette of the bush is created. The optimal period for pruning is early spring, when sap flow has not yet begun. Hedges are formed not only in spring, but also in summer, in June and August, so that the wall of the plant is neat. Old bushes are heavily pruned, removing all shoots. New branches grow quickly by early summer. Sanitary pruning to remove frostbitten tops is carried out in mid-spring, when the buds open and the affected areas on the branches are visible.
Preparation for winter
Barberry Thunberg Koronita is winter-hardy, withstands – 28-30 ° C. Sometimes even at such temperatures, if the bush is under the flow of the north wind, the tops of annual shoots are damaged. They are pruned in the spring, the bush is well restored due to the dormant buds at the bottom of the plant. In autumn, barberry bushes Koronita are mulched or spudded with ordinary soil to a height of 10-12 cm from the root collar. In the spring, the soil is removed. In winter, snow is thrown to the plant for warming.
Reproduction
There are enough ways to increase the number of barberry bushes of the Koronita variety on your site. The plant reproduces:
- division of the bush;
- layering;
- undergrowth;
- cuttings;
- seeds.
New shoots grow from the root system of the barberry Thunberg Koronita every year. Early in the spring, as soon as the soil thaws, or in September, they dig out the mother bush. With a sharp shovel, the plant is divided with a sharp movement so that there are enough roots and 4-7 shoots on the divisions. Parts of the bush are quickly seated so that the roots do not dry out.
For layers of barberry Koronita in the spring:
- dig in the lower branches, leaving the tops above the ground;
- shoots are fixed with garden staples;
- watered regularly;
- after 16-25 days, the first shoots appear, around them the soil is slightly loosened, watered once a week;
- transplanted to a new place in autumn or spring.
The shoots are separated from the maternal roots and immediately transplanted if their root system is sufficiently branched.
2 types of shoots of barberry Thunberg Coronite are cut:
- those that are already half lignified – the branches are cut into fragments 15 cm long;
- green shoots that are cut from below at an angle of 45 °.
The cuttings are treated with root formation stimulants Heteroauxin, Kornevin, Zircon and planted in a substrate of sand from above and non-acidic peat below. Cover with a plastic dome and maintain high humidity. The cuttings take root in a month, planted in the ground in autumn or spring.
Seeds of barberry Thunberg Koronita germinate poorly, only 16-45%. They are stratified for 3 months in the refrigerator, sown in a container, or sown directly into the soil in the fall. Young seedlings are moved after 2-3 years.
Diseases and pests
Barberry Thunberg Coronita is a fairly resistant plant to diseases and pests. But in a situation of mass spread of pathogens of such fungal infections as powdery mildew, drying of shoots, rust, leaf spot, the shrub will also suffer. From powdery mildew, a whitish coating on the leaves, get rid of the use of colloidal sulfur. Bright orange spots signal a rust infection. The infection is fought with the treatment of Bordeaux mixture.
After the appearance of brown or yellowish spots on the leaves of the Coronita barberry, which lead to their shedding, it is advisable to spray the plant with copper-based preparations.
Barberry plants suffer from infestations of aphids, sawflies and moths. Noticing pests that feed on leaves, Fitoverm or other insecticides are used against them. Aphid colonies can be fought with a solution of laundry soap, tobacco decoction.
Conclusion
Barberry Coronita is easy to grow, shrub care is not laborious. A light-loving and drought-resistant plant will create an attractive bright accent in the garden, favorably emphasize the picturesque compositions.
