The mnium genus encompasses mosses requiring a moist, shaded environment to thrive. Basic care includes consistent moisture, low to moderate light, and cool temperatures. It prefers rich, acid to neutral, well-draining soil. Challenges are over-drying and exposure to harsh sunlight. Seasonally, mnium needs protection from extreme conditions, like dry winters and hot summers, often necessitating environmental controls like humidifiers or shading. Regular monitoring and adjustments ensure mnium's health year-round.