The reason for the curl of orchid leaves

The main causes of orchid leaf curl are long-term exposure, lack of water, lack of fertilizer, and too high temperature or too low wind. To avoid leaf curling, you need to receive 6-8 hours of light every day, each watering to ensure that the basin soil is moist, there is no stagnant water. Keep the growth temperature between 18-25 degrees, fertilize regularly during the growing period and flowering period, and there is no fertilizer damage.

Causes of leaf curl of orchids and its solutions

1. Long-term exposure to the sun

Reason: orchid leaves in strong light for a long time, it will lead to leaf curl phenomenon.

Solution: put it in a sunny position every day and receive 6-8 hours of sunlight to promote the growth of branches and leaves. Receive scattered light in summer and should not be exposed to the sun.

Second, caused by long-term water shortage

Reason: orchid leaf growth needs a certain amount of water, if the long-term drought will lead to leaf curl phenomenon.

Solution: each watering to ensure that the basin soil moist environment, pay attention not to be too wet, to avoid root rot phenomenon. Keep the basin soil slightly dry in autumn and winter, and the water temperature should be about the same as the soil temperature.

Third, the temperature is high or low.

Reason: orchid leaves are exposed to high or low temperature for a long time, which will lead to leaf curling.

Solution: orchids like to grow in a warm environment, and the most suitable temperature for growth is between 18 and 25 degrees. The high temperature is placed in a cool position in summer and in a sunny position in winter.

Fourth, caused by long-term lack of fertilizer

Reason: the long-term lack of fertilizer in the growth process of orchid leaves will lead to curly leaves and dull light.

The solution is to apply mature organic fertilizer every half a month during the growing period of orchids, increase phosphorus and potassium fertilizer before flowering, apply foliar fertilizer of potassium dihydrogen phosphate once a month, and apply phosphorus and potassium fertilizer mainly and nitrogen fertilizer as auxiliary fertilizer before overwintering.