Common Name:
Sensitive Fern

Scientific Name:
Onoclea sensibilis L.

Family:
Fern (Polypodiaceae)

Plant Description:
A perennial plant reaching from 6-18 inches in height. Sensitive fern reproduces by underground rhizomes and seed. Sterile fronds are green in appearance and are divided pinnately into lobed segments. Fertile fronds stand erect and are divided twine pinnately. Segments are rolled into bead-like bodies. Seed matures in July-August.

Remarks:
Sensitve Fern is common in cranberry beds throughout Wisconsin. It normally begins growing along bed edges and gradually speads inward. It can be transferred with vine cuttings to new plantings. Sensitive Fern germinates during the first or second week in May.