1 named cultivar

‘Okanum’Okanum fern

fern

Eared Lady Fern

Athyrium otophorum

Same species

1 named cultivar

‘Okanum’Okanum fern

Essentials

At a Glance

Plant Type

Fern

Height

24 inches

Width

18 inches

Light

Partial Sun, Shade

Zones

5, 6, 7, 8

Water

Consistently moist soil

Humidity

High humidity preferred

Lifespan

Perennial

Native To

Japan, China

Toxicity

Non-toxic to humans and pets

The Story

Plant Bio

Athyrium otophorum is a deciduous fern distinguished by its finely divided, lacy fronds with a delicate, airy appearance, and typically features green to reddish-bronze foliage during the growing season. This species is valued for its striking autumn coloration and its ability to thrive in shaded, woodland garden settings with moist, well-drained soil.

Uses & Benefits:

Provides delicate, lush foliage that enhances shaded garden areas.

Helps retain soil moisture and prevent erosion in shaded spots.

Supports local insect populations and adds biodiversity to shade gardens.

Planting

How to Grow

Choose a shaded spot with moist, well-drained soil.
Tuck spores or rhizomes into soil in early spring or fall.
Water regularly to keep soil consistently moist.
Mulch around base to retain moisture and suppress weeds.
Fertilize lightly in early spring with a balanced fertilizer.
Divide clumps every 3-4 years to maintain vigor.

Pro Tip

Maintain consistent moisture for lush, healthy growth.

Keep It Thriving

Care Guide

Do

Water regularly to keep soil moist 🌱
Mulch to retain soil moisture
Divide every few years for vigorous growth
Plant in shaded areas to prevent leaf scorch

Don't

Avoid direct sunlight which can scorch leaves ❌
Don't let soil dry out completely
Skip fertilizing in late fall
Do not plant in overly dry or compacted soil

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland gardenMoist border with fern accentsDecorative shade garden

Companion Plants

Hosta Astilbe Foamflower Japanese Forest Grass Ligularia

Multiply

Propagation Methods

Good to Know

Common Questions

Eared Lady Fern questions

What zones can Eared Lady Fern grow in?

Eared Lady 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 Eared Lady Fern deer resistant?

Not reliably. Deer may browse Eared Lady Fern, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Eared Lady Fern bloom?

Eared Lady Fern typically blooms in non-flowering through early spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Eared Lady Fern need full sun?

Eared Lady Fern does best in part shade.