Planting method of bluebells

Choice of time:

In spring or late winter and early spring, sow seeds in a plastic shed to facilitate the stagger of high temperature and summer heat during flowering. It can also be sown in autumn. Generally, the seedlings sown in autumn need to be cultivated to the spring and summer of the following year before they can blossom.

Seed selection:

The seeds of bluebells are very small. This requires us to choose those relatively full and round seeds as far as possible in order to improve the success rate of sowing. In addition, we also need to see if it has been affected by diseases and insect pests.

Selection of matrix:

The first thing to consider is whether the drainage is good or not, we can choose porous matrix, such matrix drainage is better. In addition, there are nutrients, if rich, it can not only improve the chances of survival, but also reduce the burden of fertilization later. Then there is the pH, it is better to adjust the pH to about 5.5, which is more conducive to the healthy growth of young plants.

Sowing and treatment:

As we have mentioned above, its seeds are very small, so we can directly adopt the method of sowing. Sow the seeds gently on the soil without having to cover a layer of soil. After sprinkling, we should pay attention to control the surrounding environment. The first is the temperature, the best temperature range is 20 to 22 degrees Celsius. Then there is moisture, which should not be too dry or too wet. Just keep the soil slightly moist. In addition, pay attention to the sunshine. After sowing, it should be shaded properly and should not be exposed to strong direct sunlight. In this way, it can sprout in fourteen to eighteen days.

Post-processing:

What we are talking about here is the treatment after germination. It is necessary to reduce the moisture of the soil properly so as to prevent them from overgrowing. In addition, some light can be given appropriately.

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Planting method of bluebells

Bluebells, also known as bell flowers, get their name because their flowers are similar to wind chimes. at present, there are more than 200 species, such as bluebells, purple bells, etc., which are suitable for growing in the north temperate zone, are more common in Europe, and are cultivated for ornamental use. Its branches are stout, the stems are slender and transverse, the leaves are alternate, the leaves at the base are generally rosette, and a single flower is composed of umbels or panicles, and the colors are mainly blue and white, fresh and elegant.

How to grow Campanula

Reproduction: pay attention to the way of sowing, small smooth oval seeds are preserved after drying in advance, and start sowing in late winter and early spring, sowing in warm plastic sheds as far as possible to avoid high temperatures. After finishing, the sowing soil should be flat, and after pouring water, the seeds should be sown evenly. The soil should be thin, the seedlings should be properly watered, and compound fertilizer should be applied after development. Generally, it can be transplanted or planted when it is about 10cm. Of course, it can also be sown immediately after maturity, and it will blossom in the second year. If sown in autumn, the flowers will usually bloom in the third year.

Soil: soil pH should be between 5.5-6.0. it is loose, nutritious, easy to drain, porous matrix, clay accounts for 20-30%, contains iron chelates, 1m3 applies 1-1.5kg completely balanced fertilizer.

Watering: keep plenty of water before the radicle grows, maintain a high humidity level, and keep the soil moist. If possible, add a layer of coarse-grained vermiculite to the newly grown seedlings to ensure that the water is not lost. In addition, under normal circumstances, the soil can be slightly drier during the watering interval.

Temperature: the normal temperature for growth is 13-18 ℃. There is no Frosts Descent climate in winter, the temperature can be 3-5 ℃, outside the cultivation needs to keep warm. Spring is cultivated at a temperature of 15-18 ℃ for 5-9 weeks, and the culture period is increased at a temperature of 13-15 ℃.

Sunshine: it likes long hours of light, daily light 14 hours will naturally blossom, if the need for early flowering time, can be adjusted through 4 hours of intermittent night for 30 days.

Fertilization: alternate application of nitrogen fertilizer and potassium balanced fertilizer at the concentration of 150-200ppm in a week according to the ratio of 1RU 1.5. To accelerate the growth of seedlings, 30-50ppm calcium and nitrogen fertilizer and calcium fertilizer can be applied. The plant needs to be applied with 0.025% magnesium sulfide and iron chelates 1-2 times to ensure these trace elements. Note that no fertilizer can be applied after mid-September.

Insect pests: they are susceptible to powdery mildew, rust and leaf spot, which can be removed by spraying 1500 times diluted carbendazim wettable powder. Plants are attacked by thrips and aphids during growth and can be removed by spraying 1500 times diluted omethoate EC.

Pruning: the plant does not need to adjust and pick the heart in the growth, so that the appearance may not be neat at first, but it will adjust naturally in the later growth, so there is no need for pruning.

How to plant Campanula, how to plant Campanula

How to plant Campanula officinalis 1. Adapt to the environment

Campanula prefers cool summers and mild winters. Pay attention to overwintering to prevent cold, need low-temperature greenhouse.

2. Soil demand

Campanula for soil requirements, soil pH should be between 5.5-6.0, and loose, adequate nutrients, easy drainage, porous matrix, clay accounts for 20-30%, containing iron chelates, 1m3 application of 1-1.5kg completely balanced fertilizer.

3. Sunshine should be sufficient.

Bluebells like long hours of light, daily light 14 hours will naturally blossom, if the need for early flowering time, can be adjusted by 4 hours of intermittent night 30 days treatment.

4. Adequate watering

Campanula ensures adequate moisture before radicle growth, maintaining a high humidity level, while the soil remains moist, adding a layer of coarse-grained vermiculite to the newly grown seedlings if possible to ensure that the water is not lost. In addition, under normal circumstances, the soil can be slightly drier during the watering interval.

5. Temperature adaptation

The normal temperature for the growth of Campanula is 13-18 ℃. There is no Frosts Descent climate in winter, the temperature can be 3-5 ℃, outside the cultivation needs to keep warm. Spring is cultivated at a temperature of 15-18 ℃ for 5-9 weeks, and the culture period is increased at a temperature of 13-15 ℃.

6. Fertilization control

In order to accelerate the growth of seedlings, 30-200ppm calcium and nitrogen fertilizer and calcium fertilizer can be applied to accelerate the growth of seedlings. The plant needs to be applied with 0.025% magnesium sulfide and iron chelates 1-2 times to ensure these trace elements. Note that no fertilizer can be applied after mid-September.

7. Pest control

Bluebells are prone to powdery mildew, rust and leaf spot, which can be removed by spraying 1500 times diluted carbendazim wettable powder.