Content
Roald Dahl's rose is a novelty variety characterized by an almost continuous and abundant flowering. Moreover, he, like all English park species, has high frost resistance, strong immunity and undemanding care. All these qualities make it possible to grow Roald Dahl rose without any particular difficulties, even for flower growers who do not have many years of experience. The variety is suitable for landscaping household plots, parks, squares, as it can fit into any landscape design.
Rose "Roald Dahl" is not susceptible to adverse weather conditions
Breeding history
Breeding work for this rose variety began in 2009 in England, and was led by David Austin. The seedling was obtained as a result of experimental crossing. Further work to improve its characteristics was carried out for 8 years. And only after confirming all varietal characteristics, this species was officially registered in 2016 and presented at the flower show in Chelsea.
The park rose was named in honor of the 100th anniversary of the birth of the writer Roald Dahl, who published the novel "James and the Giant Peach" in 1961.
Roald Dahl's rose description and characteristics
This variety is characterized by dense, branched bushes, which acquire a lush, rounded shape during the growth process. The height of the Roald Dahl rose reaches 120 cm, and the growth diameter is 1 m. The shrub forms flexible, but strong shoots. They easily withstand gusts of wind and stress during flowering, so they do not need additional support. The bark of young branches is green, but as they mature, it dims significantly.
The leaves are bright green with a glossy surface, there is a slight jaggedness along the edge. They consist of 5-7 separate segments attached to a single petiole. The length of the plates reaches 12-15 cm.
The flowering period for the Roald Dahl rose begins in early June and lasts until autumn frosts with short interruptions. The shrub forms numerous pointed-rounded buds, which initially have an orange-red hue. As they unfold, they acquire a cupped shape, and the tone noticeably brightens and becomes peach.
The flowers of the Roald Dahl rose are evenly distributed on the shrub, which significantly improves the decorative effect. During opening, they exude a pleasant, unobtrusive aroma, reminiscent of a tea rose with the addition of fruity notes. Terry flowers of the Roald Dahl rose include 26-40 petals, so the middle is practically not bare. Rose buds form inflorescences of 3-5 pcs. They bloom gradually, giving the impression of continuous flowering throughout the season.
The diameter of the flowers of the Roald Dahl rose reaches 11 cm
The root system of the shrub is superficial, the diameter of its growth is 40-50 cm. It is located almost horizontally to the soil level, therefore, when growing the Roald Dahl rose in the central and northern regions, it must be covered for the winter. The shrub can withstand frosts down to -23.3 degrees, but in the absence of snow, its shoots may suffer.
Advantages and disadvantages of the variety
Rose "Roald Dahl" D.Austin has many advantages, so the novelty has gained wide popularity among gardeners around the world. But it also has certain disadvantages that are worth paying attention to. This will allow you to compare the characteristics of the variety with other park species and understand what its strengths and weaknesses are.
There are very few thorns on the stems
Main advantages:
- large flowers;
- increased resistance to disease;
- easily propagated by cuttings;
- good frost resistance;
- a small number of thorns;
- forms round bushes;
- abundant and long flowering;
- immunity to bad weather conditions.
Disadvantages:
- high cost of seedlings;
- during the heat period, the flowers quickly crumble;
- does not tolerate prolonged stagnation of moisture in the soil;
- without shelter in the northern regions, shoots can freeze slightly.
Reproduction methods
To obtain new seedlings of the English park rose "Roald Dahl", you need to use the cuttings method. To do this, at the end of spring, before flowering, cut off the ripe shoot from the bush and divide it into parts with 2-3 pairs of leaves.
For planting cuttings, you need a shaded place. Before this, the lower leaves should be removed, and the upper ones should be shortened in half to maintain sap flow. Then powder the cut at the bottom with any root former. It is necessary to deepen the cuttings into the soil up to the first pair of leaves, leaving a distance of 5 cm between them.After planting, a mini-greenhouse should be made to create optimal conditions.
Cuttings of the Roald Dahl rose take root after 1.5-2 months. During this period, the soil must always be kept moist, and the plantings must be regularly ventilated.
Growing and care
Park rose "Roald Dahl" (Roald Dahl) D. Austin must be planted in a sunny open area, protected from drafts. When planted in the shade, the shrub actively grows green mass, but blooms poorly.
This variety prefers soil rich in organic matter with good moisture and air permeability. In this case, the level of occurrence of groundwater at the site must be at least 1 m.
Caring for the Roald Dahl rose includes timely watering in the absence of rain for a long time. To do this, use settled water with a temperature of +20 degrees. Moisturize under the root so that moisture does not get on the leaves. You need to water the bush 1-2 times a week with the soil under the bush getting wet up to 15 cm.
It is necessary to feed this variety regularly. In the spring, during the period of active growth of shoots, organic matter or nitroammofoska (30 g per 10 l of water) should be used. And during the formation of buds, superphosphate (40 g) and potassium sulfate (20 g) for the same volume of liquid. Mineral fertilizers can also be applied dry. To do this, it is necessary to make a small ditch along the edge of the root circle and pour granules into it. After that, level the soil and water the plant.
At the base of the bushes, it is necessary to constantly remove weeds so that they do not take up nutrients, and to loosen the soil. Roald Dahl should be pruned annually in the spring. During this period, you need to remove all damaged and dry shoots. Also, during the season, it is necessary to shorten the branches that are knocked out of the total mass.
Every autumn, old shoots should be cut out, leaving no more than 7 pieces. on the bush
When growing roses "Roald Dahl" in the southern regions for the winter, the bushes need to be sprinkled with earth. And in the central and northern regions, it is necessary to additionally cover the shoots. To do this, you should make a wooden frame and wrap it with agrofiber.
Pests and diseases
This variety is highly resistant to powdery mildew and black spot. But in the case of a cool rainy summer, the likelihood of injury increases.Therefore, it is recommended to spray the shrub as a prophylaxis with copper-containing preparations.
From pests, aphids can cause damage to the Roald Dahl rose. This pest feeds on the sap of shoots and leaves of plants. In the absence of timely measures, it damages the buds, so the shrub loses its decorative effect. It is recommended to use Actellik for destruction.
Aphids are localized at the tops of young branches and on the back of the leaves
Application in landscape design
This variety can be used in single plantings and multilevel compositions. In the first case, the beauty of the shrub will be emphasized by a well-groomed green lawn. And also the rose will look spectacular against the background of stunted conifers, and its bare shoots below will be able to successfully disguise the boxwood border. In the second case, the Roald Dahl rose should be planted in the center or used for the background.
The rose can also be grown as a tub plant
Conclusion
Roald Dahl's rose is a variety with a unique peach color that forms a huge number of buds throughout the season. And its high resistance to common diseases and unfavorable weather conditions allows it to be grown in regions with a harsh climate. The only drawback is the high cost of seedlings in comparison with other species, but this does not stop gardeners.
Reviews with a photo about the rose Roald Dahl
