Transplanting irises to another place in the fall: when and how best, timing and rules

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Kira Stoletova

Irises are found quite often in garden plots. They are incredibly beautiful and are great for creating various compositions in flower beds and rock gardens. To preserve their decorative qualities, flowers need care, part of which is the need to transplant them to another place in the fall.

Irises - features of autumn transplantation

Why do you need to replant irises?

People who have not previously grown flowers do not understand why they are replanted at the end of summer or beginning of autumn. Experts recommend moving irises to another place due to the fact that they have a weakened root system. In addition, during cultivation, a young link is formed on the roots, which gradually increases in size. If the flower is not transplanted in a timely manner, it will die due to night frosts and lack of nutritional components.

Some people believe that they need to be replanted annually, but this is not true. In the first few years after planting, the plant copes with frosts. It begins to weaken gradually, and therefore flowers are planted in a new place every 3-4 years.

Favorable time for transplantation

To accurately determine the favorable time for planting flowers, you need to become more familiar with the autumn and spring timing of the work.

in spring

In regions where there are no prolonged frosts, transplantation is carried out in the spring.

In March

You can plant flowers in early spring if the air temperature does not drop below zero. Therefore, planting is carried out in the second half of the month, after warming.

In April

If the air temperature in April remains stable at 5-10 degrees Celsius, then you can begin transplanting the tubers to a new location. In this case, the procedure is carried out on a sunny day.

In May

People who prefer to replant flowers in the spring most often do this in May. The last month of spring is ideal for spring planting, as during this time the temperature does not drop below zero even at night.

Summer transfer

Some people do not have time to transplant irises in the spring and therefore do this in the summer.

In June

In some varieties of iris, root growth begins in early summer, and therefore replanting is carried out in mid-June. Experts advise replanting the plant before the summer heat begins.

In July

In July, transplantation is carried out less frequently, since the air temperature is most often high in this month.

In August

August is considered the most suitable summer month for digging and planting irises. In most varieties, intensive root development begins in this month.

in autumn

A considerable part of gardeners plant irises in the fall.

In September

Experienced gardeners believe that autumn replanting should be carried out in September, before the onset of frost. It is best to do this in the middle of the month, after flowering.

In October

People who did not have time to transplant flowers in September do so in October. In this case, flowers should be planted in the first half of the month.

In November

It is not recommended to plant irises in November, as night frosts begin this month.

Gardening Tips and Tricks

Experienced gardeners resort to some tricks when replanting irises so that the plant takes root faster and is better prepared for next year. Such tricks include:

Creating a small mound in the hole. It is on this that the rhizome descends. Depth – no more than 5 cm. This will allow the plant to avoid oxygen deficiency;
Correct arrangement of leaves. The fan of leaves should be directed to the north, and the rhizome to the south, then the iris will receive the optimal amount of light;
Water immediately after planting. Such rapid watering will level the soil to the level of the rhizome. After 3-5 days, watering is repeated again.

Transplant methods

Before transplanting irises, you need to familiarize yourself with the basic transplantation methods.

Technology for dividing bearded irises

The process of dividing flowers using this method is carried out in several stages:

Digging. First, the plants are carefully dug up with a pitchfork or a small spatula.
Cleaning from dirt. The dug up bulbs are shaken off and cleaned of adhering soil.
Flushing. The bulbs are washed in a solution prepared from Zircon.
Trimming. All irises are dried and carefully trimmed so that their height is 8-12 centimeters.
Transfer. The trimmed bulbs are transplanted to a new location.

Transplanting Siberian irises

To replant Siberian varieties of irises, all bushes are carefully dug out of the flowerbed. Then the new area where the flowers will be planted is fertilized with organic and mineral fertilizers. After applying fertilizer, holes are dug at a distance of 40-45 centimeters into which the irises are planted. The transplanted flowers are sprinkled with soil and watered generously with warm water.

Dividing bulbous irises

To divide bulbous flowers, you need to dig up all the plants. Then the bulbs are washed with water, soaked for 10-15 minutes in a manganese solution and dried. After this, the dried young bulbs are separated from the old ones and transplanted to another place.

Preparatory work

There are mandatory steps to follow when replanting to a new location. After its selection, the soil is prepared and fertilized, in addition, the plant itself is prepared.

Soil preparation

The place for the flower should be dug up in advance, at least a week or two. Ideally, such preparation is carried out even several weeks before the planned movement of irises. They dig a hole about twenty centimeters deep, that is, a shovel deep.

If necessary, add sand and peat to the soil. If the soil is too acidic, be sure to add at least a handful of lime.

It is also important to fertilize the soil: mineral fertilizers are suitable for this, to which the bushes respond well. If you fed the iris with one type of fertilizer, continue to use the same.

Preparing the plant

If the bushes are already old and very large, it is better to dig them out using a fork, planting a little roots on them. In this case, damage cannot be avoided, since the roots of the plant are very fragile.

Therefore, if the volume is quite large, you will have to separate them and transplant only some part. After the main part of the roots that will be transplanted has been selected, they can be washed with water.

This will allow you to view the state of the system and determine whether these particular divisions should be used. Diseased, dry and damaged parts are removed.

For replanting in the fall, you need to choose potassium and phosphorus fertilizers - nitrogen fertilizers are not suitable at this time.

Plants tolerate organic matter very poorly; it is better to add about a handful or two of ash to the hole, and after that plant the iris in a new place.

How to transplant irises correctly?

To replant flowers correctly, you need to understand the peculiarities of replanting them.

Preparing the plant

Before transplanting the bulbs, you must first prepare them. They must be soaked in a manganese solution, which is made from manganese, boric acid, cobalt and magnesium sulfate. This mixture promotes the growth of the flower and has a beneficial effect on its flowering. Soaking is carried out for 20-30 minutes.

How to prepare the soil

Despite the fact that irises are unpretentious to the soil, it is still better to prepare the area in advance. Flower growers recommend adding a little superphosphate with ash and humus to the soil. The soil is also mixed with river sand, clay and compost so that it better allows moisture and oxygen to pass through.

Rhizome division

Before dividing, all dug up bushes are thoroughly washed with water to clean them of dirt. Then the leaves with roots are cut off by a third, after which the bush is divided into planting divisions with a knife. The procedure is carried out very carefully so as not to accidentally damage the root system.

Landing in the ground

First, planting holes with a depth of 25-35 centimeters are made on the site. Then planting material is carefully placed in them. Planted plants must be watered so that they take root faster.

Answers to frequently asked questions

How to determine whether the soil is suitable for iris?

The soil for replanting iris should not be acidic. This is easy to check: universal litmus paper is placed in a vessel with distilled water, in which the soil sample has been previously mixed. After 30 seconds the paper will change color. The result is measured against the color scale that was indicated on the packaging of the paper (if there is no scale, it can be easily found on the Internet).

Is it possible to plant irises in a lowland if it is well sanctified?

No. If it rains in the fall - a period when bushes cannot be flooded - the iris may flood and this will negatively affect both its health and its ability to form flowers.

Rules of care after transplantation

Transplanted irises must be properly cared for so that they do not wilt.

Watering

It is recommended to regularly water the plant to ensure it has enough moisture. In dry summer weather, the soil is moistened every day. In this case, watering is done very carefully so that droplets of water do not fall on the petals or leaves.

Trimming

Growing irises must be pruned periodically. Most often, drying flowers or leaves are cut off. To carry out the procedure, sharply sharpened scissors or pruners are used. It is contraindicated to pick leaves with flowers by hand.

Preparing for winter

Before frost, all planted flowers are covered with a layer of mulch 20-30 centimeters thick. Such a protective shelter will protect the plant from frost and help it survive the winter.

Preparing for winter

Irises are plants that are not afraid of winter frosts, so there is no need to resort to any serious insulation measures.

But in order for the shrub to successfully overwinter, it still needs to be given attention and undergo several procedures:

The leaves are cut so that the height of the plant as a result of docking is about five centimeters.
Roots that are above the ground must be covered, otherwise they may freeze.
Prepared shrubs are covered with dry leaves, which are fixed, for example, with boards.

How to protect freshly transplanted plants from diseases?

Irises, like many other plants, become infected with various diseases. To protect seedlings from diseases, they are sprayed with fungicidal agents once every 2-3 weeks. The most effective treatment is considered to be one and a half months before flowering.

Regular cleaning of the area from weeds and dried plants will also help prevent the development of diseases.