Flowers, herbs

Japanese Spirea Frobeli: variety description, cultivation and reproduction with photo

Anonim

The beautifully flowering shrub of the Japanese Frobel spirea often attracts attention in city parks and squares. But gardeners especially liked the flower as an original decoration of the local area. There are more than 100 species in the genus, distributed in the northern hemispheres of the planet. Asian breeders have bred a species of Japanese Frobeli spirea. Until now, southwestern China is considered the center for the conservation and development of the species Spiraea japonica.

General information about the Japanese Frobel spirea

Froebelii low shrub, grows from 0.7 to 1.2 m in diameter, the same in height. The crown is spherical, upright branches. It has the feature of all types of spirea to change the color of foliage during the season: green in summer, purple-red when the seasons change.

Japanese spirea blooms from late July to September. Abundant flowering immediately attracts the eye. Pink inflorescences up to 12 cm in diameter, formed by dense corymbose inflorescences.

Positive and negative aspects of the variety

Japanese spirea summer species, respectively, blooms and smells sweet in the warm season. The bright, rich color of the shrub attracts attention from afar. If planted as a separate growing bush, it will stand out as a bright spot against the backdrop of the garden.

In spring and late autumn, only branches are visible, they do not shine with special beauty. Mature shrubs fill the place well, do not let weeds through. They do not require complex care, but regular watering and nutrition allow the Japanese spirea flower caps to be larger.

Features of cultivation

For a seedling, it is necessary to allocate a place, given the adult state of the shrub. The first year you can plant ground cover plants nearby.In the future, the Japanese spirea will grow, it will take a diameter of 1.2 m. Planting should not be thickened, the shrub will develop poorly. The annual growth is 10-12 cm in height.

Shrubs grow in partial shade, conifers are excellent neighbors: thuja, junipers, also contrasting hosts and geyhers. In the gardening store you can buy planting material: seeds, roots, cuttings. The first way is complex and lengthy. The second will allow you to get spirea flowering in the second year of planting.

Place and time

For spirea, choose a sunny or partial shade. If it is a hedge, then a shrub is planted along the planned place at a distance of 0.7-1.2 m from each other. When planting Japanese spirea in a permanent place in a flower garden, the height of neighboring plants, as well as the color of neighboring shrubs, are taken into account. Contrasting or single color of gardener's choice.

Frobel summer-flowering spirea is planted in spring until mid-May.In autumn, until September 5-10, the shrub takes root well on cool days. A place is chosen in advance. The soil is prepared by carefully choosing weeds, otherwise young seedlings will crush aggressive weeds. The soil should be slightly acidic or neutral.

Planting a plant

A cloudy but not rainy day is a great time to plant the Japanese Frobeli spirea. For long-term flowering in one place, you need to prepare the soil:

  1. If possible, make drainage, lay a layer of large expanded clay, broken bricks in a ditch 50-70 cm deep.
  2. Mix soil with peat, leaf mixture.
  3. Add fertilizer, suitable spring or complex for flowering shrubs.
  4. After planting, cover with sawdust 2-3 cm, this will protect against weed germination.
  5. The hole for one bush should be 3 times the size of the root system. Prepare for 3-4 days, then drain, shed well.

The processed planting material is planted to a depth of 0.4 meters, do not deepen the root neck. The stalk is placed in a hole and covered with earth, compacted well. The layers must be washed, dried a little, and the roots divided. Be sure to treat for fungal diseases and send to a new place.

Further bush care

Regular watering, top dressing and pruning of faded buds is all that is required for good development. During the growing season, the bush should be regularly inspected, diseases may develop or pests may attack, this can be de alt with by proper agricultural technology.

Irrigation Rules

Spirea is unpretentious, the plant regulates the water balance on its own. During a drought, it is necessary to water with warm, settled water. 10-15 liters will be enough early in the morning or after 18:00 hours.

It is recommended to water under the bush so that water does not fall on the flowers. Green branches can be perfectly moistened during rain.

Fertilization

Irrigation is combined with fertilization. In the spring, when planting or digging, preference is given to complex top dressing with a predominance of nitrogen. This will make it possible to increase the green mass and prepare for abundant flowering.

In the summer months, potash-phosphorus mixtures are introduced. Every 3 weeks with watering the bush. For violent flowering, simple phosphorus is added. You need to make dry fertilizers directly into the soil, rake and water abundantly.

Spraying with stimulating and anti-stress preparations is possible in spring and summer. Microfertilizers allow you to survive early spring frosts and summer heat. During the season, 3 sprays are recommended with Epin, Zircon and other similar products.

Even with a balanced diet, the flowering of spirea cannot be extended, but the flowers will look luxurious for the entire period.

Cutting

For the formation of beautiful bushes, pruning of the Japanese Frobel spirea is required. They begin to form a plant immediately after the branches grow by 30 cm. The owner chooses the shape according to the style of the landscape, it can be spherical or pyramidal. Do not choose a square, even if it is a hedge.

During the summer, hygienic pruning is carried out, faded buds and withered branches are removed. So new buds grow faster, and the bush will always be in a flowering state.

Pests

Pests love fragrant and juicy spirea. It is necessary to fight them as soon as they saw that something was wrong with the bush.

Spider mite attacks in the first warm days. The plant is covered with cobwebs, the leaves look dull. Spraying with special solutions is suitable. Karbofos works well, dilute strictly according to the attached instructions, spray in cloudy weather.

In the heat, aphids attack. Sucks the juice from the leaves and stems of plants. The leaves curl up, if you do not fight the pest, by the fall the culture will be weakened, it may not overwinter. It is especially bad when branches are affected. It is necessary to fight aphids, you can use all biological and chemical means.

Spirea diseases

Can affect different types of spotting: phyllostic, cercospora, ascochitous. They strike the foliage with ugly spots, starting from the edge of the leaf, then cover the entire leaf. Treatment: proper agricultural practices, processing of planting material, removal of the first diseased leaves.

Crop propagation

Three ways of breeding spirea allow you to choose the most convenient in a particular region.

The right choice will allow you to grow a he althy large plant:

  1. Dividing the bush, it is better to do this in early spring. Grown up, strengthened branches are dug up and transplanted to a new place. With this method, spirea grows actively. Before transplanting, treat the roots with a remedy for diseases.
  2. Cutting branches is better to start in the fall. Harvested cuttings 12-15 cm are treated with fungicidal solutions, laid on nutrient soil. This must be done in a cool room. The box is covered with a black film, left until the first buds appear.
  3. Propagation by layering is the most effective way. The branches of an adult he althy seedling are bent to the ground, sprinkled. Over the summer, it takes root from a new plant, then planting in a permanent place.

Spirea seeds are also recommended to germinate at home in cool conditions. Create greenhouse conditions for young sprouts from early spring, and they will develop he althy throughout the growing season. In well-established warm weather, plant outside.

Application in landscape design

Spirea summer flowering species. The shrub is excellent for hedges in garden plots. Long flowering allows it to be planted along walking paths and recreation areas. Looks great along the fence, forms an endless flowering path.

Used when creating flower beds. Pick up nearby plants according to the timing of flowering, and the flower garden will be beautifully flowering all summer, and the main role will be played by the Japanese spirea Frobeli.

You can create a mixborder not only from Frobeli's spirea, but also use other similar ones. Many colors will allow you to create a whole sea of flowers. If it is necessary to ennoble a place with trees on the site, then it is better not to find the Japanese Frobeli spirea. Looks decorative under tall pines, designers often make the transition to shorter flowers with flowering shrubs.