Content
Barberry Coronita 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 is within the reach of even novice gardeners.
Description of barberry Thunberg Coronita
This stocky beautiful shrub grows in the range from 50 cm to 1.5 m.On average, drooping, gracefully curved branches of the Thunberg Coronita barberry form a rounded, spreading crown 1 m high, 1.2-1.4 m in diameter.The root system is shallow from the surface ... Densely growing shoots are prickly, equipped with simple reddish spines 0.5-2 cm long, almost invisible against the background of foliage.Oval-ovoid leaves with even edges are small, elongated to 2.5-3 cm, only 1 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 a brown hue. Reddish buds up to 5 mm in size. Shoots of young barberry grow vertically, with age they become picturesquely curved. Small flowers of the Thunberg barberry Koronita bloom in May. They are collected in small brushes or single. Corollas are light orange. 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 Koronita in garden design
The barberry of the Koronita variety focuses on itself as a bright spot among the garden greenery. Designers use the shrub in various compositions and variations:
- focus on a specific group of garden bushes;
- contrast for a group of conifers;
- tapeworm among the lawn;
- a component of a rocky garden;
- a natural element of the landscape in an oriental style, since the plant is an indigenous inhabitant of the southern slopes of the mountains in China and Japan;
- the main component of a curb or hedge.
The thorny bush will grow into an impenetrable barrier in 6-7 years. For this purpose, Coronita plants are placed close to each other. Another feature of barberry is plasticity during formation. Applying skillful pruning, the masters of topiary art create interesting compositions. Photo of barberry Thunberg Koronita shows how brightly the plant solo on rock gardens, in borders or rockeries.
Planting and caring for barberry Koronita
An unpretentious shrub is grown without much hassle.
Seedling and planting plot preparation
Barberry Koronita is rather unpretentious to soil types. It develops very well on loose sandy loam and loam, where the acidity index is 5-7.5 units. It is important that the site is drained. Barberries are not suitable for swampy areas or areas with stagnant water after melting snow or rain. Thrives on fertile land, but can thrive in arid and poor areas. The only indisputable requirement is sun exposure. Light partial shade is allowed for several hours, but the leaves will slightly lose their saturation with red.
According to the description, the Thunberg barberry Koronita has superficial roots. It is recommended to purchase seedlings from specialized stores or nurseries grown in containers. During development, the bushes have already acclimatized and will more easily take root in a specific area that is located in the same area. Before planting, the container with the seedling is placed in a large container of water. The soil is saturated with moisture, and the plant can be easily removed from the pot without injuring all the small roots.
Landing rules
Planting barberry Coronita in groups, they retreat 1.6-2.2 m between the bushes. For a hedge, holes are placed densely, with an interval of 50-60 cm. The holes 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 sod land.
Landing Algorithm:
- the seedling of the Coronita variety is carefully removed from the pot, being careful not to damage the roots;
- put on a mound from the substrate in a pit so that the root collar is 4-5 cm under the soil;
- the roots are sprinkled with a substrate, compacting around the stem;
- water and mulch;
- cut off shoots up to 3 buds coming out.
During the month, young Coronita barberry is watered after 7-10 days.
Watering and feeding
Care, like planting the Thunberg Koronit barberry, is simple. From the moment of movement, the trunk circle is kept clean, removing weeds and regularly loosen the soil. If it rains, they do without watering. In hot summer, 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.
Pruning
A neat, compact bush of Thunberg Koronita barberry practically does not need formative pruning, since it grows medium-sized. For decorative purposes, a certain selected silhouette of the bush is created. The optimal period for pruning is early spring, when sap flow has not yet begun. Fences 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 strongly pruned, removing all shoots. New branches grow rapidly 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.
Preparing 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 cut in the spring, the bush is well restored due to the dormant buds at the bottom of the plant. In autumn, the Koronita barberry bushes are mulched or spud 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 insulation.
Reproduction
There are enough ways to increase the number of Koronita barberry bushes on your site. The plant reproduces:
- dividing the bush;
- layering;
- undergrowth;
- cuttings;
- seeds.
New shoots grow from the root system of the Thunberg Koronit barberry every year. In early spring, as soon as the soil thaws, or in September, the mother bush is dug up. With a sharp shovel, divide the plant with a sharp movement so that there are enough roots and 4-7 shoots on the divisions. Parts of the bush are quickly planted so that the roots do not dry out.
For Koronita barberry cuttings in spring:
- dig in the lower branches, leaving the tops above the surface of the earth;
- 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 the fall or spring.
The shoots are separated from the maternal roots and transplanted immediately if their root system is sufficiently branched.
Cut 2 types of shoots of Thunberg Koronit barberry:
- those that are already half lignified - the branches are cut into fragments 15 cm long;
- green shoots, which are cut from the bottom at an angle of 45 °.
Cuttings are treated with rooting 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. Cuttings take root in a month, planted in the ground in autumn or spring.
Seeds of barberry Thunberg Koronit do not germinate well, 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, shrubs will also suffer. Powdery mildew, whitish bloom on the leaves, get rid of the use of colloidal sulfur. Bright orange spots indicate rust infestation. The infection is fought by treatment with Bordeaux liquid.
After the appearance of brown or yellowish spots on the leaves of the Koronit barberry, which lead to their shedding, it is advisable to spray the plant with preparations based on copper.
Barberry plants suffer from aphid infestations, sawflies and flower 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 broth.
Conclusion
Barberry Koronita is easy to grow, bush care is not laborious. A light-loving and drought-resistant plant will create an attractive bright accent in the garden, and will favorably emphasize the picturesque compositions.
