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Sensitive fern

Onoclea sensibilis

Also called Bead Fern, Meadow Brake, Polypod Brake, Sensitive Fern, Bead Fern

Sensitive fern
Photo: peganum, CC BY-SA 2.0

Sensitive fern is a coarse, deciduous perennial fern native to temperate North America and East Asia, grown mainly for its bright yellow-green fronds in damp shade. Keep its roots consistently moist and it will spread readily by rhizomes.

Family
Onocleaceae (Onocle family)
Grows as
Fern, Perennial
Light
Part shade, Shade
Water
Keep the soil consistently moist, and it tolerates very wet or boggy ground.
Soil
Acidic, loose loam or sandy loam with plenty of organic matter.
Temperature
Hardy in cold winters; fronds are killed by frost, so expect dieback each autumn.
How easy
Easy
Safety
Toxic
Native range
C. & E. Canada to N., C. & E. U.S.A., SE. Siberia to Japan and China
Climate
temperate

About

Onoclea sensibilis, the sensitive fern, also known as the bead fern, is a coarse-textured, medium to large-sized deciduous perennial fern. The name comes from its sensitivity to frost, the fronds dying quickly when first touched by it. It is sometimes treated as the only species in Onoclea, but some authors do not consider the genus monotypic.

Where it grows

Onoclea sensibilis is native to Northern Hemisphere temperate regions; the Russian Far East, China and Eastern Asia, and a wide native distribution in Northern America. It ranges from Newfoundland south to Florida and west to Texas, the Rocky Mountains, North and South Dakota, Quebec, and Manitoba.

Text excerpted from the Wikipedia article Onoclea sensibilis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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