Orchid is not resistant to strong light, and the spring sunshine is mild. You can put it in the sunny place to receive the whole day sunshine. If it is maintained in a dark place for a long time, it is easy to have yellow leaves and thin stems. The sun is strong in late spring. It's OK to receive light in the morning and afternoon. The time of light should not exceed 4 hours.

It will grow better in the environment with high temperature, so before the climate is stable, do not move it to the outdoor for maintenance to avoid frostbite in spring. For indoor maintenance, the temperature should be kept at about 10 ℃.
When spring comes, the increase of air humidity is very helpful for the growth of orchids. In spring maintenance, you need to water the orchids more. You can use a little more water until there is water flowing out. The temperature of water should be close to the room temperature to avoid frostbite.

It needs to store nutrients before flowering, so it needs to increase nutrition in spring. The main fertilizer is nitrogen fertilizer, supplemented by phosphorus and potassium fertilizer. Nitrogen is used two to three times a month, phosphorus and potassium are used one to two times a month.
Spring is the growth period of plants and pests. Orchid is the most easily infected insect pest is spider, if found, you need to use strong efficacy, low side effects of insecticides for spraying.
