Sensitive Fern
Onoclea sensibilis
Other Names: Bead Fern
Plant Details
USDA Plant Hardiness Zones: 4a-8b  Find Your Zone
Plant Type:Â Semi-Evergreen to Evergreen Perennial
Height at Maturity:Â 3-4′
Width at Maturity:Â 3-4′
Spacing:Â 3′ for mass plantings
Spacing:Â 3′ for mass plantings
Growth Habit / Form:Â Arching Spreading Upright Clump
Growth Rate:Â Moderate
Flower Color: Â None
Flower Size:Â NA
Flowering Period:Â NA
Flower Type:Â NA
Fragrant Flowers:Â NA
Foliage Color:Â Green
Fragrant Foliage:Â No
Berries:Â Â No
Berry Color:Â NA
Sun Needs:Â Full Shade or Part Shade, Morning Sun With Afternoon ShadeÂ
Water Needs:Â Â Average
Soil Type:Â Â Clay (amend heavy clay to ensure good drainage), Loam, Sand (amend quick draining soil to retain moisture), SiltÂ
Soil Moisture / Drainage:Â Moist to Well Drained Moist
Soil pH:Â 6.5 – 7.5 (Slightly Acid to Slightly Alkaline)
Maintenance / Care:Â Low
Attracts:Â Visual Attention
Resistances:Â Cold Temperatures (-30F / Zones 4a-8B), Deer, Drought (when established in shade), Disease, Heat, Humidity, Insect, Moist Soil, Rabbit, Shade
Description
The Sensitive Fern is a deciduous native species with a spreading habit and wonderfully soft texture. In early spring, attractive red fiddleheads emerge from the ground unfurling to form large and long, deeply pinnately divided bright green fronds 2 to 4 feet long with leathery, triangular leaflets having distinctively netted veins. The fronds remain green throughout the summer before turning a rusty brown color in the fall. Twice-pinnate fertile fronds appear in late summer and, though dead, remain upright through winter. The stalks of this fern have a decorative, “beaded” appearance, lending the plant one of its common names, Bead Fern. Growing 3 to 4 feet tall and spreading to form a colony to 4 feet wide or so, it thrives in consistently moist to wet soils in part shade to full shade environments, which makes it a perfect selection in woodland or shade gardens along streams and other bodies of water where the soil doesn’t dry out. Onoclea sensibilis is commonly called Sensitive Fern because of its sensitivity to drought.
Landscape & Garden Uses
Growing 2 to 4 feet tall and spreading 3 feet or more, the Sensitive Fern is an elegant perennial plant ideal for use in groupings or mass plantings for naturalization in shady to partially shaded environments where the soil stays consistently moist. Perfect along ponds, streams and other bodies of water. A fine addition to marsh, bog and stream gardens, rain gardens, woodland gardens and native gardens.Â
Growing Preferences
The Sensitive Fern is easy to grow in a consistently moist but well-drained organically rich soil in part shade to full shade. It doesn’t like the soil to dry out completely, so is perfect for those marshy moist areas in the landscape. It usually grows taller in wet soils, which it tolerates well, but not standing water.
Helpful Articles
Click on a link below to find advice from our experts on how to plant, fertilize, prune and water perennial ferns.
How To Plant Perennial Ferns
How To Prune Or Cut Back Perennial fern Plants
How To Fertilize & Water Perennial Fern Plants
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