4 named cultivars

fern RHS Award

Soft Shield Fern

The Story

Plant Bio

A graceful, evergreen to semi-evergreen fern forming a shuttlecock-like clump of soft-textured, arching, finely-divided, lance-shaped fronds.

The specific epithet 'setiferum' means 'bristle-bearing', referring to the bristle-like tips on the pinnule lobes. New fronds (crosiers) are covered in attractive silvery-brown scales as they unfurl.

Uses & Benefits:

Polystichum setiferum adds lush, textured greenery to shaded gardens, providing year-round interest with its evergreen fronds.

Serves as a natural groundcover, suppressing weeds and stabilizing soil in moist, shaded areas.

Provides habitat and cover for beneficial insects and small wildlife in woodland gardens.

Essentials

At a Glance

Plant Type

Fern

Height

30 inches

Width

30 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8, 9

Water

Consistently moist

Humidity

High

Lifespan

Decades

Native To

Southern and western Europe, southwestern Asia

Toxicity

Non-toxic to humans and pets

Planting

How to Grow

Tuck spores or small plants into well-drained, humus-rich soil in partial shade.
Water regularly to keep soil moist but not waterlogged, especially during dry periods.
Mist fronds occasionally to increase humidity and encourage healthy growth.
Apply a balanced, slow-release fertilizer in early spring for optimal vigor.
Mulch around the base to retain moisture and suppress weeds, reapplying annually.
Divide clumps in early spring or fall to propagate new plants and maintain size.

Pro Tip

Ensure consistent moisture and avoid direct, harsh sunlight for best frond development.

Keep It Thriving

Care Guide

Do

Maintain evenly moist soil 🌱
Provide partial shade in hot climates
Apply mulch annually to conserve moisture
Prune dead or damaged fronds gently
Divide clumps in early spring or fall

Don't

Avoid letting soil dry out completely ❌
Don’t expose to direct, hot sun
Refrain from over-fertilizing, which can weaken fronds
Don’t disturb roots excessively during division

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Mulch
Plant
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland gardenMoisture-loving borderGroundcover under trees

Companion Plants

HostaFerns Astilbe LigulariaJapanese forest grass

Multiply

Propagation Methods

Good to Know

Common Questions

Soft Shield Fern questions

What zones can Soft Shield Fern grow in?

Soft Shield Fern is hardy in USDA Zones 5–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Soft Shield Fern deer resistant?

Yes — Soft Shield Fern is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

Does Soft Shield Fern need full sun?

Soft Shield Fern does best in part shade.