Rose of Grandiflora (Grandiflora)

Grandiflora - this is the name for floribunda roses (profusely flowering), which are distinguished by especially large flowers. In Russian, the name of the group is pronounced as "grandiflora". As a rule, these are unpretentious hybrids that do not require complex maintenance. Even inexperienced growers can grow bushes. The most important thing is to adhere to the recommendations of specialists regarding care.

Further, a more detailed explanation: rose grandiflora - what it is, as well as a list of the most interesting varieties. Of course, issues related to the rules of disembarkation, care and reproduction will be raised. Special attention will be paid to diseases and pests of this group of rose bushes.

One of the varieties of this group

Description of the variety

Roses of grandiflora are powerful sprawling rose bushes, the height of which reaches 150-200 cm. Erect shoots are literally covered with foliage and covered with sharp thorns. The leaf plates are naturally ovoid and painted in a dark emerald palette. Their outer parts resemble jagged edges.

Each loose inflorescence consists of 4-5 double buds. One bud contains 40 petals. Flowers can be up to 15 cm in diameter.

Flowers can be colored in:

• white;
• pink;
• red tones.

Advantages and disadvantages

Roses of the Grandiflora group are endowed with a number of advantages. Thanks to the painstaking work of breeders, this variety of plants with thorns:

• growing rapidly;
• blooms magnificently;
• able to tolerate minor night frosts;
• can be pest resistant when properly cared for.

Among the shortcomings, it is worth highlighting the need for strict adherence to recommendations for care. Otherwise, flowering may not occur.

Use in landscape design

Large-flowered roses of grandiflora are often used by landscape designers when ennobling the territory. Tall bushes are planted in the background of flower beds. Green spaces often function as a hedge or a separate tapeworm.

Rose Queen Elizabeth, named after the Queen of Great Britain

Variety stamp forms

Among the best varieties of roses, Grandiflor is worth highlighting:

1. Queen Elizabeth is a variety whose bushes reach a height of 100-110 cm. Sprawling bushes are strewn with goblet-shaped buds. The diameter of each flower is in the range of 9-12 cm. As it grows, the goblet outlines of flowers are replaced by a flat-bowl shape. Roses bloom throughout the summer, filling the area with a delicate scent.
2. Sonya (Sonia Meilland) - bushes, characterized by tough and erect shoots, the height of which reaches 100-110 cm.The flowers are painted in pink-coral shades. The diameter of flowers, endowed by nature with an amazing fruity aroma, is within 10-11 cm.
3. Gold Medal. The bushes of this variety can reach a height of 75-80 cm. The golden-yellow flowers, which are 11 cm in diameter, have an amazing aroma. Flowering continues throughout the summer months.
4. Komsomolsky light. Bright velvet red flowers literally pour gold in the central part. The diameter of the opened buds exceeds 12 cm. Low-double flowers can decorate any garden. The height of the bushes can exceed 120 cm. Thanks to the painstaking work of breeders, the bushes are resistant to most diseases.
5. Love (Love) - a variety with an incredible color of the petals. The vibrant red palette is gracefully intertwined with silvery-white hues. The flowering of the Love variety is abundant. Dense double flowers cover the main part of the leaf blades. The diameter of the buds, endowed with goblet outlines, can reach 12-13 cm.

Amazing Grade of Grandiflora Gold Medal

Growing a rose of grandiflora

It is recommended to plant seedlings in the first weeks of May, when the threat of night frosts has passed. When choosing a landing site, you should give preference to a well-lit area.

The soil for planting is prepared independently. The soil mixture should include:

• peat;
• sand;
• wood ash;
• complex mineral fertilizers.

Step-by-step planting process:

1. Having picked up a site for disembarkation, it is necessary to dig a hole, the depth of which reaches 55 cm.
2. The roots of the seedling are dipped for several hours in a basin filled with a liquid clay mixture containing mullein.
3. After a specified period of time, the seedling is placed in the dug recess. The root system is carefully leveled. The root collar is buried 5-6 cm below the soil surface.
4. The pit is filled with self-prepared soil mixture.
5. 20-25 liters of water is poured under the bush.
6. The area of ​​the trunk circle is mulched with sawdust or needles. The mulch layer should be up to 5-6 cm.

Grandiflora on the plot

Care features

In order for grandiflora roses to please with lush flowering, they must be systematically watered. In summer, 15-25 liters of water is poured under the bush every 5-7 days. If it is raining outside the window, then there is no need to moisten the soil additionally.

After watering, the soil around green spaces must be loosened if mulching is not used. It is important to remove weeds from the beds in a timely manner.

The following should be used as fertilizer for plants with thorns:

• mineral complexes;
• potassium-phosphorus preparations;
• superphosphate and potassium nitrate.

To give the bushes the correct shape and increase the volume of flowering, it is necessary to systematically prune the formative and sanitary type. Pruning is done with a well-sharpened knife. Slices should be oblique. Deadwoods are cut off under the base. Each place of cuts should be treated with garden varnish.

Preparing for winter

Preparing bushes for the winter cold should be done in the first weeks of October.

Green shoots of bushes are removed. Plants are cleared of buds, leaf blades and flowers. Each bush hounds. The shoots pressed to the surface of the soil are covered with polyethylene material. On top of the polyethylene, wooden boards and a layer of spruce branches are placed.

As soon as the first frosts come, you can throw another layer of polyethylene material on top.

Bloom

Blossoming of grandiflor roses usually begins from the second week of June and lasts until autumn. Terry flowers are found in large numbers on the bushes, covering most of the leaf blades. The diameter of the flowers can reach 14-15 cm. The aroma of the buds is poorly expressed, but on windy days the smell still spreads over the garden area.

In case of non-compliance with the recommendations of specialists regarding the cultivation and care of plants with thorns, they may cease to please with flowering. A similar problem can occur in the background:

• planting bushes in a draft;
• improper trimming;
• lack of dressing;
• bacterial damage to green spaces;
• lesions of the bushes by the disease.

Reproduction

To propagate the bushes of grandiflora, you can use the method:

• cuttings;
• dividing the bush.

To use the method of dividing a bush, you need to dig up a plant. Using a sharp shovel, divide its root into a couple of parts and transplant the seedlings into separate pre-dug grooves.

The step-by-step process of grafting is presented below:

1. For harvesting cuttings, you need to pick up healthy and mature bushes. It is best to cut off the branches on which the buds have already bloomed.
2. Each cut should contain a pair of internodes.
3. The branches must be cut at an angle of 45 degrees. Leaf plates should be removed from each cutting. The tops of the branches are also pruned. It is very important to make a cut 5-7 cm above the location of the kidney.
4. Prepared containers are filled with a mixture of fertile soil, peat and river sand.
5. Each cutting is deepened 20 mm into the ground.
6. The container is covered with glass, which must be systematically removed for ventilation. The soil is moistened every 2-3 days with a spray bottle.
7. After a couple of weeks, the cuttings should take root. The glass can already be removed at this time.

After 20-25 days, the rooted seedlings can be planted in an open bed.

Grandiflora can beautify any garden area

Diseases and pests

Despite the resistance of many varieties of this group to diseases, the lack of proper care can provoke the defeat of Grandiflora:

1. Powdery mildew, evidence of which is powdery bloom on buds and leaf plates. Treatment of green spaces with Fitosporin or Fundazol will help to cope with the disease.
2. Black spot. You can recognize a fungal infection by the black-brown spots located on the leaf plates. The affected bushes should be sprayed with Profit or Ridomil Gold as soon as possible.

Among the pests dangerous for grandiflora, it is worth highlighting the rose leafworm and spider mite. Experts recommend using means like Spark and Fufanon when decorative culture is damaged.

Grandiflora is an amazing plant that fits perfectly into any landscape design. The culture will delight you with abundant and bright flowering, if you follow all the rules of agricultural technology.