Different from plants that like alkaline soil, oleander is more suitable to live in slightly acidic and neutral soil. When preparing soil, humus soil can be mixed with garden soil and base fertilizer to ensure its air permeability and drainage and meet the demand of oleander for soil nutrients.
Nerium oleander is not hardy and likes warm climate. Keep warm in autumn and winter. The cold tolerance of oleander is general, and its growth will be affected as long as the temperature is lower than 0℃. Comparatively speaking, it prefers a warm environment, and the suitable temperature range is around 20℃. Therefore, planting oleander outdoors, we should do a good job of cold protection and warmth in autumn and winter to prevent freezing to death.
If people are afraid that oleander will freeze to death outdoors and want to move it indoors, they must beware of being polluted by oleander juice. These juices are poisonous and harmful to human health. If there are children at home, it is not recommended to raise oleander indoors, but it is best to plant it outdoors.
Nerium indicum is a sunny plant, so we should ensure sufficient light every day. You need shade at noon in summer. Nerium indicum is a sunny plant, so it is not suitable to be placed in a cool place, otherwise it will affect its growth and flowering. It is best to put it outdoors and keep enough light. Generally speaking, the light time of oleander should be more than 5 hours a day, especially when its flowering period comes, more sunshine should be given.
In summer, when the sun is strong, oleander can tolerate the direct light in the morning and evening, but can't tolerate the exposure at noon. At this time, you can move the oleander to a cool place and put it in the sun after the sun is not strong. Or you can cover it with a barrier to prevent it from getting sunburned.
Pruning oleander regularly will not only make the flowers bloom more brightly, but also enhance the ornamental value of biennial oleander, which can be prevented from growing too high by pinching. The so-called core removal refers to removing the buds at the top of oleander and inhibiting its growth. In addition, if flower friends find that the lateral branches of oleander are too long, they can also be cut off to reduce nutrient loss and ensure more flowers.
In order to make the trimmed oleander more beautiful, it is necessary to cut off diseased branches, weak branches and non-flowering branches. Let oleander blossom more flowers in flowering period. When its flowering period is over, flower lovers can prune the branches of oleander through secondary pruning, which is to increase aesthetics and appreciation.
Nerium oleander is more plastic and can be trimmed into the shape of mushrooms, which is very beautiful and interesting. However, it should be noted that the trimmed oleander should be placed in the scattered light area to receive light, which is more conducive to its wound healing and recovery to health as soon as possible. In addition to trimming paper, flower friends also need to spend some time on watering, fertilization and pest control to ensure that oleander thrives and bears fruit.