Watermosses is a genus of aquatic ferns, requiring careful attention to moisture, light exposure, and temperature. Ideal conditions include full to partial sunlight, ample water covering their roots, and warm temperatures. They prefer soft, acidic water. Common challenges include pests like aphids and caterpillars, and diseases such as root rot. Seasonally, they thrive during warmer months, while in colder months, indoor or greenhouse care is advised. Watermosses demands consistent monitoring to maintain its health and vibrant appearance.