Dryopteris erythrosora
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| Dryopteris erythrosora (D. C. Eaton) Kuntze |
Dryopteris erythrosora (Autumn Fern, Japanese Wood Fern or Japanese Shield Fern) is a species on fern, native to eastern Asia from China and Japan south to the Philippines, growing in light woodland shade on low mountains or hills. It is evergreen, with bipinnate fronds 30-70 cm tall and 15-35 cm broad, with 8-20 pairs of pinnae.
[edit] Cultivation
D. erythrosora can tolerate a dryer soil than many ferns, but is most successful in moist, humus-rich soil, with a pH range of 6.1 to 7.5, with morning or late afternoon sunshine but not during the middle of the day. It is hardy in zones 5 to 11.
A number of cultivars have been selected, including 'Prolifica' and 'Viridosora'. Propagation is by division in spring, separating the small crowns from the larger crowns, or by spores.
If infected with scale insect then use of a cotton swap with alcohol or an insecticidal soap may be necessary.
[edit] References
- Germplasm Resources Information Network: Dryopteris erythrosora
- The Natural History Museum of Los Angeles County Foundation: Dryopteris erythrosora
- Roth, Susan A., 1997. 'Better Homes and Gardens: New Complete Guide to Gardening'. Second Edition. Des Moines, Meredith Corporation. ISBN 0-696-02573-6.
