Autumn fern Dryopteris erythrosora Photo/Illustration: Jennifer Benner 1 2 3 4 5 6 7 8 9 10 11 Autumn fern (Dryopteris erythrosora) dry-OP-ter-iss er-ith-roe-SOR-ah Genus: Dryopteris In spring, autumn fern’s fronds unfurl a copper red, then turn to bronze, and finally become a shiny dark green. The fronds are upright and lend a lacy texture to the woodland garden. This fern is usually deciduous. -Lou Anella, Regional Picks: Southern Plains, Fine Gardening issue #127 Noteworthy Characteristics: Effective with most herbaceous plants. Very heat tolerant if given adequate shade and moisture. Care: Grow in moist soil and partial to full shade in a protected site. Propagation: Sow spores at 59°F when ripe. Divide plants in spring or autumn. Problems: Rust, leaf gall, and fungal spore can occur. Overview Height 1 ft. to 3 ft. Spread 1 ft. to 3 ft. Light Part Shade to Full Shade Moisture Medium Moisture Characteristics Showy Foliage Uses Beds and Borders Style Woodland Garden Seasonal Interest Spring Interest Type Fern Dryopteris erythrosoraView the discussion thread.