The firmosses genus prefers well-drained, slightly acidic soil, and indirectly, bright light conditions. To plant firmosses, first prepare the planting area by incorporating organic matter into the soil. Bury the roots, ensuring the upper part of the plant is level with the soil surface. Make sure to water shortly after planting to establish them. For better growth, avoid overwatering firmosses and ensure good air circulation. Species within the genus may have specific needs, so tailor your care accordingly.