Polystichum retroso-paleaceum, commonly known as the Japanese Sword Fern, is a robust, evergreen fern native to East Asia. It features elegant, upright fronds with finely divided, lance-shaped leaflets that give it a classic, sword-like appearance. This fern typically grows 18–24 inches 45–60 cm tall, forming a graceful, arching clump that adds texture and greenery to shaded gardens or indoor spaces.
The Japanese Sword Fern thrives in partial to full shade and prefers moist, well-drained, humus-rich soil. It is low-maintenance, deer-resistant, and tolerant of a variety of garden conditions, making it an excellent choice for shady borders, woodland gardens, or as a lush houseplant. Regular watering and occasional feeding will keep it looking its best.