Belonging to the fern family, pillworts ('P') is a small aquatic or semi-aquatic plant that requires particular care. Basic care for 'P' includes partial to full sunlight, regular watering without over-saturation, warmer temperatures, and nutrient-dense, well-drained soil. Common challenges include fungal diseases and pest invasions, mainly from slugs, snails, and aphids. 'P' is often sensitive to harsh environmental conditions, requiring shelter from strong winds. Seasonal care involves increased watering in summer and protection from cold in winter, whilst spring and autumn often require balanced care.