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Fern, Dryopteris Erythrosora (Autumn Fern)

Autumn Fern, Copper Shield Fern, Japanese Shield Fern

Dryopteris erythrosora — commonly called Autumn Fern — is a semi-evergreen to evergreen fern (perennial) valued for its colorful new growth and year-round presence. It forms a neat, clumping mound of arching fronds that emerge coppery-red to orange in spring, gradually maturing to glossy dark green. The contrast between new and mature fronds provides extended seasonal interest, making it a standout in shaded plantings.

Mature Size:
Width: 18–24 in
Height: 18–24 in

USDA Zones: 5a–9b
Light: Partial shade to full shade (tolerates some morning sun)
Soil: Moist, well-drained, rich soils
Water: Moderate; prefers consistent moisture

Wildlife: Provides cover for small wildlife; generally not favored by deer

Features & Landscape Uses:
Form: Clumping fern with arching fronds
Coppery-red new growth provides striking seasonal color
Evergreen to semi-evergreen in milder climates
Excellent for woodland gardens, borders, and mass plantings
Adds color contrast and texture to shaded areas

Maintenance:
Remove old or damaged fronds in early spring before new growth emerges
Divide every few years to maintain vigor
Keep soil consistently moist for best performance

Plant type
Fern
Height
18-24"
Width
18-24"
Hardiness zones
5–9
Sunlight
Full Shade, Partial Shade
Growth rate
Moderate
Flower color
Brown
Leaf color
Green
Soil
Loamy, Moist well-drained
Landscape use
Accent Plant, Mass Planting
Shape
Arching, Clump
Drought tolerant
No