Species

Pyrrosia linguaJapanese Felt Fern

5 other cultivars

fern

Kei Kan Japanese Felt Fern

Pyrrosia lingua 'Kei Kan'

The Story

Plant Bio

Kei Kan is a unique fern that exhibits a leathery texture and vibrant green foliage.

This cultivar is notable for its resilience in various environments, adapting well to both shady and partial sun conditions.

Uses & Benefits:

Pyrrosia lingua Kei Kan offers lush, textured foliage that adds a tropical vibe to indoor and shaded garden spaces.

Helps maintain humidity and filters airborne pollutants, improving indoor air quality.

Supports biodiversity by attracting beneficial insects and providing habitat in shaded environments.

SpeciesPyrrosia linguaJapanese Felt Fern

Essentials

At a Glance

Plant Type

Fern

Height

8 inches

Width

12 inches

Light

Partial Sun, Shade

Zones

7, 8, 9, 10

Water

Keep moist, mist regularly

Humidity

High humidity preferred

Lifespan

Perennial

Native To

East Asia

Toxicity

Non-toxic to humans and pets

Bloom period

Late spring – Early summer

In flower about 2 months of the year

Planting

How to Grow

Tuck spores into moist, well-draining soil with high organic matter.
Mist the fronds regularly to maintain humidity levels.
Place in bright, indirect light for optimal growth.
Water consistently, keeping soil moist but not waterlogged.
Transplant in spring if needed, using a pot with good drainage.
Fertilize monthly with a diluted, balanced liquid fertilizer.

Pro Tip

Maintain high humidity around the plant and avoid direct sunlight for best results.

Keep It Thriving

Care Guide

Do

Keep soil moist but not soggy 🌱
Provide bright, indirect light
Maintain high humidity levels
Fertilize monthly during active growth

Don't

Avoid direct sun exposure ❌
Do not let the soil dry out completely
Avoid cold drafts or temperatures below 50°F
Do not over-fertilize

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Lush indoor fern displayMoist, shaded terrarium borderGreen, textured groundcover in shaded garden

Companion Plants

Asparagus FernMaidenhair Fern SelaginellaCalathea Pothos

Multiply

Propagation Methods

Good to Know

Common Questions

Kei Kan Japanese Felt Fern questions

What zones can Kei Kan Japanese Felt Fern grow in?

Kei Kan Japanese Felt Fern is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Kei Kan Japanese Felt Fern deer resistant?

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

When does Kei Kan Japanese Felt Fern bloom?

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

Does Kei Kan Japanese Felt Fern need full sun?

Kei Kan Japanese Felt Fern does best in part shade.

Is Kei Kan Japanese Felt Fern drought tolerant?

Yes — once established (usually after the first full season), Kei Kan Japanese Felt Fern handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.