Content
- 1 Breeding history
- 2 Description of the variety of hybrid tea yellow rose Kerio and characteristics
- 3 Advantages and disadvantages
- 4 Reproduction methods
- 5 Planting and caring for a Kerio rose
- 6 Pests and diseases
- 7 Application in landscape design
- 8 Conclusion
- 9 Reviews with a photo about the yellow rose of Kerio
Among all the variety of hybrid tea varieties of roses, there are classic species that remain relevant all the time. They are distinguished by the shape of the flower, the uniform color of the petals, the compactness of the bushes, high decorative qualities, and ease of maintenance. These include the Kerio rose of a bright yellow saturated shade. It can be found in the garden of almost every grower, as this variety is mesmerizing and cannot get lost even in a large collection.
Kerio is one of the brightest yellow varieties
Breeding history
This rose was obtained thanks to the employees of the Dutch company "Lex +", specializing in the development of unique varieties. The selection result exceeded all expectations. And in 2002, the Kerio rose was officially registered as a variety called Luxuries. It is ideal for cutting, as it features long shoots, goblet dense flowers and the ability to maintain decorativeness for up to 10 days in a vase. Therefore, this rose variety is widely grown on an industrial scale.
But gardeners did not ignore him either. Kerio has established itself as a highly decorative species, with good frost resistance, does not require special care. Therefore, it still occupies a leading position in the popularity rating among flower growers, and easily withstands competition with more modern varieties.
Description of the variety of hybrid tea yellow rose Kerio and characteristics
Rose Kerio belongs to the category of hybrid tea roses. Its bushes are of medium size, 60-70 cm high, and the diameter of growth is about 60 cm. Shoots are erect, densely leafy, with a moderate number of thorns. They can easily withstand the load during the flowering period, therefore they do not need support.
The leaves of the Kerio rose consist of 5-7 separate segments, which are attached to one common petiole. Their length is 10-12 cm. The plates have a dark green color with a shiny surface, along the edge they have a slight serration.
The root system of the Kerio rose consists of a tap skeletal root, which lignifies as it grows. It deepens to 50 cm. In addition, many lateral processes depart from it. It is they who perform the absorbing function and provide the aboveground part with moisture and nutrients.
This rose is characterized by high-centered goblet flowers. Their diameter reaches 12-15 cm. Kerio's petals are dense, which gives volume. When the buds are fully opened, the middle remains closed. The aroma of the flowers is light, combining notes of honey with lemon balm. The hallmark of the variety is the unique bright yellow shade of the petals, which, in combination with the dark green foliage, creates a contrast. The bright tone persists for a long time and only under the influence of direct sunlight at the end of flowering can it become paler.
The buds of the variety are apical, mostly they grow one by one on each shoot, but sometimes there can be 3-4 pieces.
Kerio is a re-flowering variety. The first time the shrub blooms in late May and early June. This period lasts 3 weeks due to the fact that the buds of this rose open slowly. The second wave of budding occurs in late July and early August, depending on the growing region.By the abundance of flowering, it is in no way inferior to the first and can continue until frost.
This variety has good frost resistance. The shrub easily tolerates temperatures down to -23.3 degrees. At the same time, the rose is not very susceptible to unfavorable weather factors.
Kerio's flowers are double, each of them consists of 45 or more petals
Advantages and disadvantages
This rose has a large number of advantages, which allows it to remain relevant to this day. But the variety also has its drawbacks, which are worth paying attention to. Only by comparing them with other species can you determine how critical they are.
Kerio flowers retain their decorative effect in the rain and gusts of wind
Main advantages:
- bright shade of petals;
- dense, large bud;
- long-term preservation of the freshness of flowers;
- strong, resistant shoots;
- long, abundant flowering;
- high commercial qualities;
- low susceptibility to weather factors;
- good winter hardiness;
- resistance to common diseases of culture.
Disadvantages:
- the variety is not capable of self-cleaning, therefore, wilted buds must be cut off;
- high cost of seedlings, against the background of increased demand;
- sensitivity to excess organic matter in the soil.
Reproduction methods
To obtain new seedlings of this variety, it is recommended to use the cuttings method throughout the warm period. To do this, you should cut off the ripe shoots of the current year and divide them into pieces 10-15 cm long. Each of them should have 2-3 pairs of leaves. Cuttings of a Kerio rose should be planted in open ground. To do this, it is necessary to remove the lower leaves, and reduce the upper ones by half, which will preserve the sap flow.
Planting should be carried out in a moist substrate, deepening to the first pair of leaves. In this case, the lower cut of the cutting should be powdered with any root former. At the end of the procedure, a mini-greenhouse should be made from above, which will create favorable conditions. Rooting of Kerio rose cuttings occurs after 2 months. During this period, the substrate should be kept slightly moist.
Planting and caring for a Kerio rose
This variety can be planted in the southern regions in the fall, and in the central and northern regions in the spring. In the first case, the last decade of April is considered the optimal period, and in the second, the end of September. For Kerio's rose, you should choose lighted areas with light shading at midday and protected from drafts.
The soil should have good moisture and air permeability, and the acidity level should be in the range of 5.6-7.3 pH. At the same time, it is important that the occurrence of groundwater in the area is at least 1 m.
For planting, you need to prepare a hole 50 by 50 cm in size.At the bottom of it, lay a layer of broken brick 7 cm thick.And the rest of the volume is 2/3 filled with a nutrient mixture of humus, turf, peat and sand in a ratio of 1: 2: 1: 1.
Two-year seedlings of the Kerio rose with a well-developed root system and 2-3 mature shoots take root in a new place most quickly.
Algorithm of actions:
- Make a small elevation in the center of the pit.
- Put a seedling on it, spread the roots.
- Sprinkle them with earth, fill in all the voids.
- Compact the surface at the base, water abundantly.
You need to plant roses in a row at a distance of 40 cm from each other.
When growing this variety, you should adhere to the standard agricultural practices. Watering is carried out 1-2 times a week with the soil getting wet under the bush up to 20 cm. It is also important to periodically weed the root circle and loosen the soil. For full flowering, you need to feed the bushes three times per season. The first time in the spring during the active growing season. At this time, organic matter or nitroammophos can be used.Subsequently, during the formation of buds in the first and second wave of flowering. During this period, superphosphate and potassium sulfate should be used.
For the winter, the Kerio rose needs to be covered. In the southern regions, it is enough to sprinkle the base of the shrub with earth and slightly compact. And the central and northern ones should be additionally covered with spruce branches or agrofibre on top, while shortening the shoots to a height of 20-25 cm.
Pests and diseases
Rose Kerio is highly resistant to powdery mildew and black spot. But if the growing conditions are not followed, the immunity of the shrub decreases. Therefore, it is recommended to spray the rose 2-3 times per season with copper-containing preparations as a preventive measure.
Of the pests, aphids can damage the shrub. This small insect feeds on the sap of young leaves and shoots of the Kerio rose. With mass distribution, the development of the shrub slows down, and the buds are deformed. To combat the pest, it is recommended to use the drug "Actellik".
Aphids do not allow shrubs to fully develop
Application in landscape design
Rose Kerio looks good both in single and group plantings. As a tapeworm, it is recommended to plant it against the background of a green lawn. The beauty of flowers can also be successfully emphasized by conifers, as a background.
For group planting, it is recommended to combine the Kerio rose with clematis, delphinium, Carpathian bell, thyme, geranium.
Joint planting of a Kerio rose with other roses
When planting Kerio with other roses, yellow shades should be avoided, since against the background of this variety they will all seem too pale.
The following species can become the best neighbors:
- Red Intuition;
- Black Magic;
- Super Trouper
- Hitch Magic (High Magic);
- Moody Blue;
- Ebb Tide.
Conclusion
Rose Kerio is a unique variety with a bright shade of petals that cannot leave indifferent any grower. And the unpretentiousness of the shrub to care only contributes to the growth of its popularity. However, when choosing this species, it is necessary to carefully select partners for him, since he is able to outshine any other variety.
Reviews with a photo about the yellow rose of Kerio
