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Currently, there are more than 20,000 varieties of roses grown in the diverse climate of the planet. For an ordinary grower, a huge number of seedlings are offered for every taste. But if experience is still not enough to decorate your garden with multi-colored rose bushes, then it is best to start with a very unpretentious Robusta rose variety.
- Rose varieties
- Planting and caring for a Robusta rose
- Reproduction of the Robusta rose
The classification system for rose varieties is very complex, especially if we take as a basis not only the phenological characteristics of a particular plant species, but also the history of their origin. So, the famous Robusta rose, recently referred to the class of scrubs, unpretentious shrubs for northern gardens.
They are sometimes called semi-climbing roses. This variety was obtained on the basis of an old rugosa or wrinkled rose in the Raimer Cordos nursery in 1979. In Germany, it was classified as a Rugosa rose hybrid. Bright red flowers adorn a huge bush covered with sharp thorns and dark shiny foliage throughout the season. This is one of the most striking rugoses.
First, an elongated bud is formed, and then brushes with small flowers in an amount of up to 10 pcs. The first wave of flowers appears in May, and then several more times per season. Repeated flowering of a rose is one of the great advantages of the plant.
On the basis of this variety, in 1986, the same breeder obtained the Pink Robusta variety with delicate pink flowers with a white spot in the center. The height of the bush, the size of the thorns are smaller, but the flowers, on the contrary, reach 10 cm in diameter. They are very resistant to bad weather, powdery mildew. Interesting is the Canadian variety Cordeo Robusta. All varieties of Robusta rose are frost-resistant and are most often used to create a beautiful hedge.
Planting and caring for a Robusta rose
Rose Robusta can grow even on the poorest of soils. But in order for the bush to develop faster and have a large number of bright inflorescences, it is recommended to prepare a place for planting in advance:
- The optimal feeding area for a rose is considered a planting pit measuring 0.7 by 0.7 m.
- It is advisable to apply mineral fertilizer, for example, Kemira Universal, in the amount of 100 g for each seat.
The surface of the soil next to the seedling can be covered with non-woven fabric to protect against fast-growing weeds that slow the rate of the rose engraftment. This also has a good effect on maintaining moisture in the soil. The plant is shade-tolerant and without special requirements for the composition of the soil.
An important agronomic measure in the process of growing a rose is its correct pruning, which is carried out in spring and autumn. In early spring, the sick are removed, directed to the middle of the bush and the shoots that have suffered during the winter. Most often, 7, 8 strong shoots are left on an adult bush. If the bush is young, then the number of branches for flowering should be less.
Each shoot is shortened by two-thirds of its length. Autumn pruning is very important for the growth of the bush next year. It is necessary to carefully examine the entire plant in order to avoid overlooking fungal diseases.
Unripe, weakened and shoots with buds must be removed, despite the fact that Robusta roses are winter-hardy and frost-resistant plants. You cannot cut short shoots. This weakens the overall flowering of the bush. Better to bend them to the ground. There is no need to cover strongly. On the contrary, with a relatively warm winter, this can lead to damping and death of the rose. The main thing is for any kind of rose to observe a certain moderation in pruning without abuse that violates the harmony of the bush and a thoughtful composition.
Since the rugosa rose occupies the main place in the genealogy of the Robusta rose, it is necessary to take into account an important point of the plant's special sensitivity to feeding with liquid chemical fertilizers. With their excess, the leaves turn yellow, and the bush quickly loses its decorative effect. An excess of nitrogen also acts when feeding with organic fertilizers.
The only effective method to prevent this effect is to pre-shed the soil under the rose bush. Liquid fertilizer is applied only to wet soil. Watering roses is done abundantly several times per season.
Reproduction of the Robusta rose
It is easiest to grow the required number of strong rose seedlings in a vegetative way. To do this, you can divide the bush, root the always available offspring or cuttings. In early spring, before bud break, several shoots can be sprinkled with earth. They take root easily, and by autumn they have their own root system, capable of providing active growth of the bush next year.
In order for the abundantly flowering Robusta rose bush to please its owner with bright red flowers for many years, a number of requirements for caring for it must be fulfilled. And this is the right site for planting, the presence of a healthy seedling, watering, feeding, pruning, pest control. And also roses are very fond of when people just talk to them.
Robusta rose bloom video: