fern

Richard's Shield Fern

The Story

Plant Bio

Polystichum richardii, or Richard's Shield Fern, is an evergreen fern native to New Zealand. It forms a shuttlecock of arching, glossy, dark green fronds with black scales on the stalks.

This fern is especially valued for its tolerance of dry, shaded environments and its ability to thrive in coastal gardens, making it a versatile choice for shaded, well-drained locations.

Uses & Benefits:

Provides lush, evergreen foliage that enhances shaded garden areas.

Helps retain soil moisture and prevent erosion in shady spots.

Supports local insect populations with its dense fronds.

Essentials

At a Glance

Plant Type

Fern

Height

30 inches

Width

36 inches

Light

Partial Sun, Shade

Zones

8, 9, 10

Water

Consistent moisture, avoid drought

Humidity

Prefers high humidity

Lifespan

Perennial

Native To

New Zealand

Toxicity

Non-toxic to humans and pets

Bloom period

Early spring – Early summer

In flower about 4 months of the year

Planting

How to Grow

Select a shaded spot with well-draining soil.
Tuck fern spores or transplant mature plants into prepared soil.
Mist cuttings regularly to maintain humidity.
Water consistently, especially during dry periods.
Mulch around base to retain moisture.
Divide clumps every 3-4 years for vigorous growth.

Pro Tip

Keep soil moist and ensure good drainage for healthy growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to conserve moisture
Fertilize lightly in early spring
Divide clumps every few years

Don't

Avoid overexposure to direct sunlight ❌
Don't let soil dry out completely
Avoid heavy fertilization

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 borderMoist garden bed

Companion Plants

Hosta Astilbe Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Richard's Shield Fern questions

What zones can Richard's Shield Fern grow in?

Richard's Shield Fern is hardy in USDA Zones 8–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Richard's Shield Fern deer resistant?

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

When does Richard's Shield Fern bloom?

Richard's Shield Fern typically blooms in early spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Richard's Shield Fern need full sun?

Richard's Shield Fern does best in part shade.