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Hard Shield Fern

Polystichum aculeatum, Dryopteridaceae

Zones
4–8
Layer
Ground Cover
Lifespan
Perennial
Growth
Slow

Guild Roles

Ground CoverBeneficial Insect HabitatMulch Maker

Growing Conditions

Sun

Partial Shade (preferred)Full Shade (preferred)

Water

Moderate (established)High (seedling)

Soil pH

6 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Bastard BalmMelittis melissophyllum
Pest DeterrentBeneficial Insect Habitat
Sea SpleenwortAsplenium marinum
Beneficial Insect HabitatWind Protection

Antagonistic Plants

Hay-scented Buckler FernDryopteris aemula

Both are large ferns that compete for light in shaded woodland habitats

Uses

Functions

Woodland GroundcoverSoil StabilizationHabitat CreationErosion Control

Edible Parts

Young Fiddleheads

Medicinal Uses

Wound HealingAstringent

Common Questions

What zones does Hard Shield Fern grow in?

Hard Shield Fern grows in USDA hardiness zones 4 through 8.

What are good companion plants for Hard Shield Fern?

Good companions for Hard Shield Fern include Bastard Balm, Sea Spleenwort.

Design guilds with Hard Shield Fern and see companion relationships visually.

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