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Description
Dryopteris Erythrosora Brilliance, commonly known as Autumn fern, is a perennial plant that belongs to the Dryopteridaceae family. The plant is native to eastern Asia, including Japan, China, and Taiwan. It is a popular ornamental plant due to its attractive foliage, which changes color throughout the year.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Polypodiales |
| Family | Dryopteridaceae |
| Genus | Dryopteris |
Appearance
The Autumn fern has fronds that are 12-18 inches long and 6-12 inches wide. The fronds are a shiny, dark green color when they first emerge in the spring, but they gradually turn a coppery-red color as the summer progresses. In the fall, the fronds turn a deep bronze color before dying back for the winter. The plant has a clumping growth habit and can reach a height of 2-3 feet.
Care Guide
Water: The Autumn fern prefers moist soil, but it should be well-draining to avoid root rot. Water the plant regularly, especially during hot, dry weather.
Fertilization: Fertilize the plant in the spring with a balanced, slow-release fertilizer. Avoid fertilizing in the fall, as this can encourage new growth that may be damaged by cold weather.
Soil: The Autumn fern prefers rich, well-draining soil that is slightly acidic. Amend the soil with compost or other organic material to improve its texture and fertility.
Sunlight: The Autumn fern prefers partial shade to full shade. It can tolerate some morning sun, but it should be protected from the hot afternoon sun.
Hardiness Zones: The Autumn fern is hardy in USDA zones 5-9.
Common Pests & Diseases
The Autumn fern is relatively pest and disease resistant. However, it may be susceptible to fungal diseases, such as rust and leaf spot, if the foliage stays wet for prolonged periods. To prevent these diseases, avoid watering the foliage and ensure good air circulation around the plant.
Habitat
The Autumn fern is native to eastern Asia, including Japan, China, and Taiwan. It grows in a variety of habitats, including forests, meadows, and stream banks.
Question and Answer
Q: Is the Autumn fern toxic to pets?
A: The Autumn fern is not toxic to pets, but it is always a good idea to keep pets away from plants to avoid accidental ingestion.
Q: Can the Autumn fern be grown in a container?
A: Yes, the Autumn fern can be grown in a container as long as it has enough room for its root system and is kept moist.
Q: How often should I divide the Autumn fern?
A: The Autumn fern can be divided every 2-3 years in the spring.
Q: Can the Autumn fern tolerate drought?
A: The Autumn fern prefers moist soil and may suffer if it is allowed to dry out. However, it can tolerate short periods of drought once established.
Related Plants
- Dryopteris filix-mas
- Dryopteris marginalis
- Dryopteris sieboldii
- Dryopteris tokyoensis
References
- Missouri Botanical Garden. (n.d.). Dryopteris erythrosora. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a496
- RHS. (n.d.). Dryopteris erythrosora ‘Brilliance’. Retrieved from https://www.rhs.org.uk/Plants/57615/Dryopteris-erythrosora-Brilliance/Details
- The Spruce. (2021). How to Grow and Care for Autumn Ferns. Retrieved from https://www.thespruce.com/autumn-fern-plant-profile-5072520
