Autumn Fern

Dryopteris erythrosora

A semi-evergreen fern whose new fronds emerge coppery-bronze before turning glossy green; tough, clumping, and reliable in shade.

Sun
part shade to shade
Water
moderate
Mature size
1.5-2 ft × 1.5-2 ft
Bloom
Inconspicuous — grown for foliage (coppery new fronds).
Hardiness
USDA Zones 5–9

Care guide

Quick ID

Semi-evergreen clumping fern (*Dryopteris erythrosora*). New fronds emerge coppery-bronze, maturing to glossy green.

Sun & Site

Part shade to shade; moist, rich, humusy, well-drained soil. Needs consistent moisture and shelter from hot Draper sun.

Seasonal Care

Cut back tattered/winter-damaged fronds in early spring before new growth emerges.

In my garden

R1Bed R1
SunShade
Soilsandy loam, fast percolation
Water sourceCulinary
Hardiness hereZone 7
May 2025
Planted · ~1 yr
What I've done here
  • 2026-04-09Pre-emergent applied
retaining wall mid-levelBed retaining wall mid-level
SunPart sun
Soilsandy loam, fast percolation
Water sourceSecondary
Hardiness hereZone 7
May 2025
Planted · ~1 yr
What I've done here
  • 2026-04-09Pre-emergent applied