If you want flowers to grow well, fertilization is the key, then how to fertilize oleander? First of all, we should choose the right fertilizer. As we all know, there are many kinds of fertilizers, including specially produced fertilizers and homemade farmyard fertilizers. It is not recommended to use fertilizer for oleander fertilization. It can be self-made farmyard manure: like animal manure, which contains rich nitrogen elements, it can promote the growth of oleander plants, and it is an indispensable fertilizer for growth and development, but it should not be excessive. Excessive fertilizer will make flowers fail to bloom. The principle of using this kind of fertilizer is to be thin, light, few and diligent, to prevent the root from being burnt; the bones of animals like fish bones are rich in phosphorus, which can be smashed or ground to be used as the base fertilizer for potted plants; the plant fertilizers like peanut cake water or bean cake water contain rich potassium, which can be used as the base fertilizer for potted plants or the top dressing after fertilization.
The oleander plant is very large and the flowering period is very long, so it is necessary to apply fertilizer. Before flowering, apply fertilizer at least twice a month; during flowering, apply more phosphorus and potassium rich fertilizer once every 10 days; in winter, it is better to apply fertilizer 1-2 times. For potted oleander, sufficient basal fertilizer should be applied when transplanting in spring. After that, it is best to apply fertilizer once a week, which is rich in potassium and phosphorus. After the survival of oleander, can reduce the number of fertilization, remember not to apply more or only one kind.
1. Oleander likes neutral or acid soil. It's better not to use alkaline fertilizer like plant ash when applying fertilizer.
2. When transplanting potted plants, the soil in the flowerpot can match 15% chicken manure, so that the organic fertilizer can be kept at about 20%, not too much
3. When the temperature is high in summer, for example, when the temperature is above 30 ℃, the fertilization should be suspended to avoid damage to oleander caused by fertilizer accumulation.
4. The stem and leaf of oleander contain many kinds of toxins. Pay attention not to hurt the stem and leaf when applying fertilizer, so as to avoid poisoning.
