Polystichum setiferum 'Rotundatum Cristatum'

Species

Polystichum setiferumSoft Shield Fern

3 other cultivars

fern

Rotundatum Cristatum Soft Shield Fern

Polystichum setiferum 'Rotundatum Cristatum'

The Story

Plant Bio

Polystichum setiferum, the soft shield fern, is a graceful, semi-evergreen to evergreen fern that forms a shuttlecock-like clump of soft-textured, arching fronds.

This cultivar is notable for its rounded pinnules (leaflets) and crested tips on the fronds and pinnae, giving it a unique, parsley-like texture.

Uses & Benefits:

Provides lush, evergreen foliage year-round, adding texture and depth to shaded gardens.

Drought tolerant once established, requiring minimal watering after initial growth.

Supports local pollinators and provides shelter for small wildlife in shaded habitats.

SpeciesPolystichum setiferumSoft Shield Fern

Essentials

At a Glance

Plant Type

Fern

Height

24 inches

Width

36 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Prefers humid conditions

Lifespan

Many years with proper care

Native To

Asia, Europe

Toxicity

Non-toxic to humans and pets

Bloom period

Late fall

In flower about 1 month of the year

Planting

How to Grow

Tuck rhizomes into well-draining soil in early spring
Mist cuttings to maintain humidity, keep soil moist
Position in partial shade for best growth
Water regularly during dry spells, especially in summer
Mulch around base to retain moisture, in spring
Divide clumps every 3-4 years for vigorous growth

Pro Tip

Ensure consistent moisture and shade for lush foliage

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to conserve moisture and suppress weeds
Divide every few years to promote healthy growth
Maintain partial shade for optimal frond development

Don't

Avoid full sun which can scorch fronds ❌
Don’t let soil dry out completely
Skip pruning dead fronds to prevent disease
Don’t plant in compacted or poorly drained soil

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland gardenEvergreen border with lush textureGroundcover beneath trees

Companion Plants

Hosta AstilbeJapanese forest grass Ferns Shade-loving groundcovers

Multiply

Propagation Methods

Good to Know

Common Questions

Rotundatum Cristatum Soft Shield Fern questions

What zones can Rotundatum Cristatum Soft Shield Fern grow in?

Rotundatum Cristatum Soft Shield Fern is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Rotundatum Cristatum Soft Shield Fern deer resistant?

Not reliably. Deer may browse Rotundatum Cristatum Soft Shield Fern, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Rotundatum Cristatum Soft Shield Fern bloom?

Rotundatum Cristatum Soft Shield Fern typically blooms in late fall through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Rotundatum Cristatum Soft Shield Fern need full sun?

Rotundatum Cristatum Soft Shield Fern does best in part shade.