fern RHS Award

Leatherleaf Fern

Rumohra adiantiformis

The Story

Plant Bio

This fern is known for its attractive, leathery fronds that resemble those of the common maidenhair fern.

The glossy, dark green, leathery fronds are long-lasting when cut, making this fern a staple in the floral industry for bouquets and arrangements.

Uses & Benefits:

Ornamental UsesAdds lush, tropical greenery indoors and outdoors, enhancing aesthetic appeal with its feathery fronds.
Practical UsesActs as a natural air purifier, removing toxins and increasing humidity in indoor spaces.
Ecological BenefitsSupports local biodiversity by providing habitat for beneficial insects and small wildlife.

Essentials

At a Glance

Plant Type

Fern

Height

30 inches

Width

30 inches

Light

Partial Sun, Shade

Zones

9, 10

Water

Moderate

Humidity

High

Lifespan

Many years with proper care

Native To

Southern Hemisphere (South America, Australia, New Zealand, Southern Africa)

Toxicity

Non-toxic

Planting

How to Grow

  1. Tuck spores into moist, well-draining soil in early spring.
  2. Mist cuttings regularly to maintain humidity and promote rooting.
  3. Ensure the plant receives indirect light for optimal growth.
  4. Keep soil consistently moist but not waterlogged; water weekly.
  5. Fertilize monthly with a diluted, balanced liquid fertilizer during growing season.
  6. Transplant when roots outgrow the current container, typically in spring.

Pro Tip

Maintain high humidity around the fern using a humidifier or misting regularly for lush foliage.

Keep It Thriving

Care Guide

Do

  • Keep soil moist but not soggy 🌱
  • Place in indirect or filtered light
  • Fertilize monthly during active growth
  • Maintain high humidity levels

Don't

  • Avoid direct sunlight which can scorch leaves ❌
  • Do not let the soil dry out completely
  • Avoid over-fertilizing to prevent root burn
  • Never place in drafty areas

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Divide
Fertilize
Harvest
Mulch
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Lush shaded borderIndoor fern displayTropical-themed garden accent

Companion Plants

Calathea PhilodendronAnthuriumOrchids Begonias

Multiply

Propagation Methods

Good to Know

Common Questions

Leatherleaf Fern questions

What zones can Leatherleaf Fern grow in?

Leatherleaf Fern is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Leatherleaf Fern deer resistant?

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

Does Leatherleaf Fern need full sun?

Leatherleaf Fern does best in part shade.

Keep exploring

Explore the genus

Hardy in your zone?

Grow Leatherleaf Fern with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.