1. Soil
Use fertile soil with good drainage to cultivate it. The nature of the soil can be sticky, but not too sticky and heavy, and you can not use alkaline soil, otherwise it will lead to its growth affected.
2. Watering
When the onion orchid is in the growing period, it should be given enough water to keep the soil in a relatively moist state. If it is the summer heat, but also often to the plant's leaves and around the spray water, to achieve the purpose of cooling the plant. Winter to reduce the frequency of watering.
3. Fertilizer
It is best to fertilize the onion orchid once a month, and it is recommended to use diluted cake fertilizer. It is best to fertilize in the morning, do not water the night of fertilization, and then water the next morning to dilute the residual fertilizer.
4. Light
To put the onion orchid in the semi-shade with diffused light maintenance, do not let the strong light directly irradiation on the onion orchid, otherwise it will lead to plant burns.
5. Temperature
Oncidium orchids like warm and comfortable environment, too high or too low temperature will adversely affect the growth and development of oncidium orchids. So we should pay attention to cool down the temperature when it is too high, and keep warm when it is too low.
6. Propagation
The common propagation methods for onion orchid are dividing plants and sowing seeds. Dividing is usually done in early spring, taking off the daughter plant with root system from the mother plant, and then trimming the leaves of the daughter plant appropriately, and then cultivating it. Sowing is usually done in the fall in September, placing the seeds on the culture medium and then covering it with a thin layer of soil, watering it appropriately, and then waiting for the seeds to germinate.
7. Precautions
(1) Proper pruning should be carried out on the onion orchid, and the dead leaves and flowers on the plant should be cut off in a timely manner, so as to reduce the unnecessary consumption of nutrients.
(2)You should change the pots for Onion Orchid once a year to prevent soil crusting and soil nutrient insufficiency, remember to lay a layer of small stones at the bottom when changing pots to increase the drainage and permeability of the soil.
(3) Sterilize the soil when planting onion orchid, you can use disinfectant to sterilize the soil or put the soil under the sun.
(4) timely control of pests and diseases, onion orchids are very easy to get leaf blight, you can use 65% diclofenac zinc wettable powder 600 times solution to spray the plant, to play a preventive effect.