How to cultivate and manage oleander?

Oleander, also known as peach, half red, willow peach, originating in Iran and India, is an evergreen shrub or small tree of oleander family, suitable for potted dwarf plants 60 - 80 cm high, tall ones can be as long as 3 meters or more. It blooms in late May every year and has a very long flowering period, which can reach 10 months. There are pink, pink, yellow, white, etc., common to pink for the most. The flowers are heavy and delicate. Every year flowering season, green leaves and safflower phase contrast, gorgeous handsome, both considerable leaves, but also flowers, both peach and bamboo beauty.

Oleander has the function of protecting the environment and purifying the air. It has strong resistance and absorption ability to toxic gases such as chlorine, ammonium fluoride and sulfur dioxide. The ideal flower for beautifying the environment and purifying the air has been cultivated in large quantities on the green islands and green areas of chemical factories on both sides of the roads in major cities of our country and is very popular with people.

Oleander like fertilizer afraid of waterlogging, should be planted in the sun, higher terrain, good drainage hidden wind, potted appropriate selection of fertile loose soil as pot soil. Whether cultivated in the open field or in potted plants, some base fertilizer should be applied to the soil before cultivation. And from flowering before, every other half a month to apply a decomposed liquid fertilizer. Water every 3-5 days in spring and autumn, and increase watering times appropriately in summer. If the weather is hot and dry, and in the period of vigorous growth, it is best to irrigate once a day and spray water on the leaves. But the rainy season to drain water in time. In winter, it should be watered when the soil is dry, and the amount of watering should be small.

North cultivation of this flower, one must be selected before planting hidden wind; two must be in the winter before the arrival of soil in the roots of the cold; if the seedlings are relatively young, but also package grass antifreeze. Potted, winter should be moved into the indoor antifreeze; open field cultivation, in the area where there is often a low temperature of minus 5 ° C, must also be dug out at the end of autumn, planted in the pot, and then moved into the low temperature (about 3 ° C) indoor, the next year in late April and then moved out of the outdoor sunny place planting.

The pruning of oleander in the management process is very necessary, it has three wheels, after pruning, the branches naturally form "three branches and nine tops".