2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
Weigela Japanese (lat. Weigela japonica) - ornamental shrub; species of the Weigela genus of the Honeysuckle family. It occurs naturally in the mountains of Japan. A rare species, rarely used in landscaping Russian gardens, which is associated with low winter-hardy properties.
Characteristics of culture
Weigela japonica is a low-growing deciduous shrub up to 1 m high with a dense, wide-rounded crown and thin, glabrous or pubescent shoots in two rows. Leaves are green, short-petiolate, simple, whole, rather dense, crenate-serrate, ovate ooze elliptical, slightly pubescent, pointed at the ends, with a wide-wedge-shaped base, up to 10 cm long. The foliage changes color in early October, leafy leaves in winter, which serves as an additional shelter. Flowers are single or paired, carmine, bell-funnel-shaped, slightly pubescent outside, up to 2-3 cm long, formed in leaf axils on short shoots.
The fruit is a capsule with winged seeds. Flowering occurs in June, fruits ripen in October. Differs in average winter hardiness, can withstand temperatures down to -23C. In severe and snowless winters without shelter, it completely freezes and dies. In the presence of shelter, individual shoots may freeze slightly, but in spring they quickly recover and often bloom in the same year. This is a distinctive feature of all representatives of the Weigela genus. Weigela japonica, like other species, is characterized by a high shoot-forming ability, even after severe frosts (subject to shelter), it retains its shape and continues to develop actively, unless, of course, we are not talking about freezing of the root system.
Application
Despite the fact that Japanese weigela is highly decorative, it is reluctant to use it in landscaping Russian gardens. In Japan and China, it is used to decorate rocky areas, including rockeries and rock gardens. Often it is planted along tall ornamental trees and shrubs, as well as in curtains on the lawn. Weigela garden is attractive both in a single copy and in groups. It can be successfully grown in hedges that are not sheared.
If there are several types and forms of weigel on the site, you can create several groups that are distinguished by the color scheme. The group includes up to three shrubs, which are harmoniously combined in the shape of the crown, color of flowers and, of course, in terms of flowering. With a rare planting, perennials are placed between the shrubs. When creating mixed plantings, Japanese weigelu is combined with cotoneaster, barberries or junipers. With both deciduous and coniferous crops, shrubs will look spectacular.
Vegetative propagation
Weigela garden perfectly reproduces by seeds, green and semi-lignified cuttings, as well as by shoots. The seed method is rarely used, since it takes a lot of time, and the seedlings require careful maintenance. That is why vegetative propagation methods are very popular among gardeners. The best results are obtained by green cuttings - up to 90%. Young shoots of the current year are taken for cuttings. Leaves are cut completely or shortened by 1/2 part.
The cuttings are treated with growth stimulants, this procedure will speed up the rooting process. Cuttings are planted in a mixture of coarse washed sand and peat. A three-centimeter layer of sand is poured over the mixture. To create a greenhouse effect, the cuttings are covered with plastic wrap or glass. Caring for cuttings consists of watering and airing. The following spring, rooted cuttings are planted in open ground in a permanent place. If the cuttings are not rooted enough, they are left to grow.
Some gardeners propagate Japanese weigela by layering. To do this, the lowest branch is laid in a groove, secured with brackets, covered with fertile soil and watered. The main thing is not to break it by tilting the branch, because the shoots of the bushes are too fragile. At the point of contact with the soil at the branch, part of the bark is cut off and treated with growth stimulants. The rooted cuttings are separated from the mother plant next spring and immediately transplanted to a permanent place. Japanese weigela can also be propagated by young shoots from a stump.
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