The best season to buy Oncidium is spring. When you first buy it, you need to check whether the root system of the plant is rotten. If it is rotten, you need to use scissors to cut off the root, and then soak the root with 5% potassium permanganate solution for half an hour to sterilize the root.After soaking, it can be spread out and dried before it can be served in a basin.
The Oncidium that buys newly had better use earthen basin or it is purple clay basin, permeability is better, suit its growth more.It is an epiphytic plant, not suitable for direct growth in the soil, it is best to use water moss, wood chips and orchid stone mixed with plant materials for its growth.
1. Illumination: It likes the environment of half shade, when just bought, can put it in a slightly shaded position to maintain, appropriate to give a small amount of mild light can be.After it returns to normal growth, it can be placed in the north balcony of the home where there is more ventilation and scattered light for maintenance.
2. Temperature: It likes a warm environment, just bought back, it can be placed in the temperature maintained at 18 -26 environment conservation.It is not cold-resistant, so it can not be placed in a low-temperature environment for a long time, in order to avoid cold affecting its normal growth, in winter, the temperature is best maintained above 15 degrees Celsius.
3. Watering: It likes to grow in a slightly humid environment, but it does not need to be watered too much when it is just bought back, and it can be given normal moisture after it returns to normal growth.But the humidity of the air should reach at least 60%, so it is necessary to spray water on the ground frequently, or put some water in the pot under the plant, but the water should not go through the air holes of the pot.
4. Fertilization: It does not need to be fertilized when it is first bought.When it returns to normal growth, it will be OK to fertilize normally.During the growing season, it should be fertilized every half month.If it is a young plant, it is necessary to apply fertilizer containing more nitrogen, if it is an adult plant, it is necessary to apply fertilizer with higher potassium and phosphorus content.