Anoectochilus leyli brown is a species of terrestrial orchid native to Southeast Asia. It is appreciated for its brown velvety leaves with green veins and its yellow flowers streaked with purple. Here is a description of its growing requirements:

Light: Anoectochilus leyli brown prefers indirect light and does not tolerate direct sunlight well. It should be placed in a bright location, but protected from direct sunlight.

Temperature: The plant prefers a warm room temperature between 20 and 25 degrees Celsius during the day and a cooler temperature of around 15 to 18 degrees Celsius at night.

Humidity: This plant requires constant humidity to thrive. It should be kept in an area where the relative humidity is at least 50%, and can be regularly sprayed with distilled water to maintain a high level of humidity.

Watering: Anoectochilus leyli brown needs to be watered regularly to maintain a constant moisture level in the soil, but it is important not to overwater it to avoid root rot. The substrate should be kept moist but not waterlogged.

Soil: This plant prefers a well-draining and moist substrate, such as a mix of orchid potting soil and sphagnum moss.

Fertilization: It is recommended to fertilize the plant every two weeks with a diluted orchid fertilizer in the watering.

In summary, to maintain Anoectochilus leyli brown in good health, it is important to provide it with indirect light, a warm room temperature during the day and cooler at night, constant humidity, regular watering, a well-draining and moist substrate, as well as regular fertilization.