Onoclea sensibilis, commonly known as Sensitive Fern, is a native deciduous fern found in moist woodlands, swamps, streambanks, and wet meadows throughout Illinois. It thrives in partial sun to light shade and consistently moist to wet soils, making it an excellent choice for rain gardens, woodland plantings, and areas with poor drainage.
This medium-sized fern typically grows 1.5 to 3 feet tall and is easily recognized by its broad, triangular fronds with deep lobes and a slightly leathery texture. The name "sensitive" refers to its tendency to wither quickly with the first fall frost. In addition to its sterile green fronds, it produces upright, bead-like fertile fronds that persist through winter, offering structural interest and habitat value.
For Illinois native plant enthusiasts, Onoclea sensibilis is a lush and reliable fern that brings texture, seasonal interest, and ecological benefit to moist, shaded landscapes. It spreads gradually by rhizomes to form attractive colonies and pairs well with companions such as Cardinal Flower, Virginia Bluebells, and Turtlehead in rich, wet woodland gardens.
Onoclea sensibilis, commonly known as Sensitive Fern, is a native deciduous fern found in moist woodlands, swamps, streambanks, and wet meadows throughout Illinois. It thrives in partial sun to light shade and consistently moist to wet soils, making it an excellent choice for rain gardens, woodland plantings, and areas with poor drainage.
This medium-sized fern typically grows 1.5 to 3 feet tall and is easily recognized by its broad, triangular fronds with deep lobes and a slightly leathery texture. The name "sensitive" refers to its tendency to wither quickly with the first fall frost. In addition to its sterile green fronds, it produces upright, bead-like fertile fronds that persist through winter, offering structural interest and habitat value.
For Illinois native plant enthusiasts, Onoclea sensibilis is a lush and reliable fern that brings texture, seasonal interest, and ecological benefit to moist, shaded landscapes. It spreads gradually by rhizomes to form attractive colonies and pairs well with companions such as Cardinal Flower, Virginia Bluebells, and Turtlehead in rich, wet woodland gardens.
Bloom: summer
Habitats: edges of marshes; forested bogs; lowland sandy savannas; low shaded areas along small streams and vernal ponds; moist meadows; moist sand prairies; shaded seeps; swamps; wet to mesic deciduous woodlands; wooded bluffs;
Lifespan: perennial
Moisture: wet to moist
Plant type (height): fern (1.5 to 3 feet)
Requirements: partial sun to light shade
Soil: loamy or sandy soil containing decaying organic matter
