Rhododendron 1 How to cultivate, and how to choose pot soil.
Rhododendron likes acidic soil, so when planting Rhododendron, it is necessary to mix humus soil, sandy soil and the same kind of soil at the ratio of 7: 2: 1, and at the same time add appropriate amount of cake fertilizer and manure, and then plant them evenly. The planting time is usually in March every year.
2, the temperature is suitable
Yingshanhong likes a cool and ventilated semi-cool environment, which is neither heat-resistant nor cold-resistant. The suitable growth temperature is 12 to 25 degrees. In the process of maintenance, summer should be shaded or placed in the shade to avoid direct sunlight. /kloc-the plants should be moved indoors in the middle of October to ensure that the azalea can survive the winter safely.
3. Fertilization management
Yingshanhong likes fat but avoids hypertrophy. During the Spring and Autumn Period, pancake fertilizer water was applied every ten days, which can be fermented with rice washing water, peel and vegetable leaves. Apply appropriate amount of phosphorus and potassium fertilizer in autumn and a small amount of dry fertilizer before winter.
4, plastic pruning
The bud stage of azalea should be picked in time, so that nutrients can be supplied centrally, flowers will be big and colors will be rich. Pruning of branches is generally carried out in spring and autumn. Cross branches, over-dense branches, overlapping branches and weak branches of plants are cut off, and residual flowers are removed in time after flowering to reduce nutrient consumption.