Dryopteris erythrosora
A compact, shade-loving fern with copper-red new fronds that mature to glossy green, offering year-round texture and color in sheltered gardens and thriving in indoor or outdoor spaces.
Common Names
Autumn Fern, Japanese Shield Fern, Japanese Red Shield Fern, Autumn Brilliance
Summary
Dryopteris erythrosora, commonly called Autumn Fern or Japanese Shield Fern, is a clump-forming, arching fern native to East Asia, and it grows about 18–30 inches tall and wide, with fronds that emerge coppery-bronze or coppery-pink in spring and mature to glossy green, sometimes with coppery tips, giving a two-tone, textured look, the foliage is evergreen or semi-evergreen and it prefers partial to full shade, thriving in moist, humus-rich, well-drained soil, tolerating some sun when shade is provided, it is deer- and rabbit-resistant and hardy in USDA zones 5–9; in cultivation, it thrives in shade and moist, humus-rich soil, maintaining even moisture and benefiting from mulch to preserve humidity, and can tolerate some sun with shade in hotter regions, it is versatile in landscapes, suitable for woodland gardens, shaded borders, groundcovers, rock gardens, and container plantings, and can be propagated by division, the copper-red new growth provides year-round interest and combines well with other shade-loving plants.
Lifecycle
Perennial
Height
18-24 inches
Spread
18-24 inches
Hardiness Zones
Zones 5-9
Sunlight Requirements
Ideally partial shade; tolerates shade to full shade
Soil Type
Moist, well-drained, humus-rich soil, pH about 5.5–7.0
Soil Drainage
Moist, well-drained soil that is not waterlogged.
Soil pH
5.5-7.0
Bloom Color
Insignificant
Bloom Time
Non-flowering
Foliage Color
Copper-red when young, maturing to green
Fall Foliage Color
Orange-red to coppery-red hues
Leaf Lifecycle
Semi-deciduous
Growth Rate
Medium growth rate; reaches about 1 to 3 feet in height or spread in 5 years.
Seasons of Interest
Spring, Summer, Fall, and Winter
Propagation Methods
Division, Spores
Attracts Wildlife
Attracts butterflies
Taxonomy
- Taxonomic Rank
- Species
- Author
- (D.C.Eaton) Kuntze
- Publication
- Revis. Gen. Pl. 2: 812. 1891 [5 Nov 1891]
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Polypodiophyta
- Class
- Polypodiopsida
- Subclass
- Polypodiidae
- Order
- Polypodiales
- Family
- Dryopteridaceae
- Subfamily
- Dryopteridoideae
- Genus
- Dryopteris
Inferior Taxa
Dryopteris erythrosora f. viridisora Dryopteris erythrosora var. koidzumiana Dryopteris erythrosora var. prolifica
Synonyms
Nephrodium prolificum Nephrodium prolificum Dryopteris sinoerythrosora Aspidium erythrosorum Dryopteris bulligera Dryopteris linyingensis Aspidium filix-mas var. erythrosorum Lastrea erythrosora Nephrodium filix-mas var. erythrosorum Dryopteris distantipinna Dryopteris squamistipes Lastrea prolifica Dryopteris paraerythrosora Dryopteris oblongipinnula Nephrodium erythrosorum