Lygodium japonicum
fern

Japanese Climbing Fern

Lygodium japonicum

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Fern

Height

1080 inches

Width

36 inches

Light

Partial Sun, Shade

Zones

6, 7, 8, 9

Water

Moderate

Humidity

High

Lifespan

Perennial

Native To

Japan, China, Korea

Toxicity

Non-toxic

The Story

Plant Bio

Lygodium japonicum is a climbing fern with wiry, twining fronds that can grow to great lengths, creating a dense, lacy screen. The fronds are finely divided, giving them a delicate appearance. This fern is extremely vigorous and is listed as a noxious, invasive weed in the southeastern U.S. and other parts of the world. Its ability to rapidly cover and smother native vegetation makes it a significant ecological threat. It should not be planted in these regions.

Bloom Period:

J
F
M
A
M
J
J
A
S
O
N
D
EarlyLate

Uses & Benefits:

Ornamental UsesAdds lush, green texture to shaded gardens and vertical spaces.
Practical UsesHelps retain moisture and improves shade conditions.
Ecological BenefitsProvides habitat for insects and small birds.

Marketplace

Where to Buy

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Planting

How to Grow

  1. Tuck spores into moist, well-drained soil in spring.
  2. Keep soil consistently moist for optimal growth.
  3. Provide partial shade in hot climates.
  4. Mist fronds regularly to mimic humidity.
  5. Support climbing with a trellis or fence.
  6. Expect new growth in 4-6 weeks.

Pro Tip

Maintain high humidity and consistent moisture for best results.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist 🌱
  • Provide filtered partial shade
  • Prune dead fronds in late winter

Don't

  • Avoid direct, harsh sunlight ❌
  • Do not let soil dry out completely
  • Skip overwatering in winter

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Mulch
Prune
Spray
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shady woodland borderVertical garden backdropMoist, shaded patio

Companion Plants

Hostas Ferns Astilbe Heuchera Solomon's Seal

Multiply

Propagation Methods

Good to Know

Common Questions

Japanese Climbing Fern questions

What zones can Japanese Climbing Fern grow in?

Japanese Climbing Fern is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Japanese Climbing Fern deer resistant?

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

When does Japanese Climbing Fern bloom?

Japanese Climbing Fern typically blooms in mid-summer through mid-fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Japanese Climbing Fern need full sun?

Japanese Climbing Fern does best in part shade.

Keep exploring

Grow Japanese Climbing 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.

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