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Ground Cover · Easy to moderate

How to Grow Japanese Painted Fern

Athyrium niponicum

Your complete guide to growing Japanese Painted Fern.

☀SunPartial shade (4-6 hours)
💧WaterConsistent moisture, 1-1.5 inches per week
🗺Zones4–9
📏Height18-24 inches
Japanese Painted Fern📷 Wikimedia Commons

When to Plant Japanese Painted Fern

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 4 — — —
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Zone 9 — — —

Companion Plants for Japanese Painted Fern

✓ Good companions

Astilbe

Thrives in same moist, shaded conditions and provides contrasting upright flower spikes

Caladium

Complementary colorful foliage that thrives in similar shaded, moist conditions

Heuchera

Compatible shade perennial with colorful foliage that complements fern's silver markings

Hosta

Similar shade and moisture requirements, complementary foliage textures and colors

Impatiens

Provides seasonal color in shade while fern offers textural backdrop

Japanese Forest Grass

Creates textural contrast while sharing similar cultural needs and shade tolerance

Lungwort

Similar silvery leaf markings and shade requirements create harmonious plantings

Wild Ginger

Native groundcover that shares preference for moist, rich, shaded soil conditions

✗ Keep away from

Black Walnut

Produces juglone toxin that inhibits fern growth and can cause yellowing and decline

Fennel

Allelopathic compounds inhibit growth of nearby plants including sensitive ferns

Mint

Aggressive spreading habit can overwhelm delicate fern roots and compete for space

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.