First, the acidic culture soil should be prepared, and pine needle soil is the best. In the neutral soil, only the white hairy azaleas can barely grow. Rhododendrons are sparsely rooted and do not form dense root clusters after many years of growth. Therefore, the pots should not be too large. When raising the seedlings and changing the pot, soil must be well-prepared and bare roots are not easy to survive.
The spring, summer and autumn seasons should be conserved under the shade. Before the rainy season comes, frequent water sprays should be used to increase the air humidity. However, water can not be sprayed on the plantation to prevent rotten leaves. Pots and soils should be asked to wet between the wetlands and cannot collect water. If it is found that the leaves turn yellow, 500 times of ferrous sulfate should be poured immediately. Do not apply concentrated fertilizer, and do not use chemical fertilizers. It is best to use water for alfalfa instead of fertilizer, which is extremely beneficial to flowering. Move into the room before entering the winter and keep it at room temperature around 15°C. It can bloom in early spring.
The leaves of azaleas grow round the top of the short branches and bloom in the leaves. After the flowers fade, the new shoots of the new shoots are lifted from the top buds. The original old leaves fall off, and the buds are differentiated by the new technique of the top buds and bloom again in the coming year. Therefore, the shoots cannot be shivered but should be allowed to grow naturally. The branches spread on the plants are evenly distributed and clearly structured, and not trimming the plant shape will not be disorganized.
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