Autumn Fern
Dryopteris erythrosora
About this plant
Dryopteris erythrosora, commonly known as the Autumn Fern, is a beautiful evergreen fern prized for its coppery-red young fronds that mature to a glossy green. It adds a lush, textured look to shaded gardens and indoor spaces. This fern is slow-growing and forms a neat clump, making it popular for borders, woodland gardens, and as a houseplant.
Taxonomy
- Genus
- Dryopteris
- Family
- Dryopteridaceae
- Higher classification
- Polypodiopsida (ferns)
- Plant type
- Perennial
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Japan, China, Korea
- Distribution
- Native to East Asia, including Japan, China, and Korea; widely cultivated in temperate regions worldwide.
Care
- Light preference
- Partial shade
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- North-facing, East-facing, Northeast-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- High
- Minimum
- -20 °C
- Maximum
- 30 °C
- Optimal
- 15-24 °C
- USDA hardiness zones
- 5-9
- Soil pH
- 5.5-6.5 (slightly acidic to neutral)
- Soil type
- rich, well-draining, humus-rich soil
Watering. Keep soil consistently moist but not waterlogged. Water when the top inch of soil feels dry. Increase humidity by misting or placing near a humidifier, especially indoors.
Fertilizing. Feed the fern with a balanced, water-soluble fertilizer diluted to half strength once a month during the growing season (spring to early autumn). Avoid over-fertilizing, which can damage the plant.
Dryopteris erythrosora is a hardy fern that thrives in shaded or partially shaded areas with moist, well-draining soil. It requires minimal maintenance but benefits from regular watering to keep the soil slightly damp. Avoid direct sunlight, which can scorch its leaves, and ensure good air circulation to prevent fungal issues.
Propagation
- Propagation methods
- Division, Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- No
Attractive coppery-red young fronds that turn dark green with maturity, glossy foliage, and a neat, clumping form.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, safe to keep around children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Skin contact
- Pollen level
- None
Dryopteris erythrosora is generally safe for most people and does not produce airborne pollen that causes allergies. However, some individuals with sensitive skin might experience mild irritation if they touch the plant's fronds. To reduce any risk, wear gloves when handling the plant and wash your hands afterward.
Common problems
If overwatered, the roots may rot; too little water can cause the fronds to dry out and brown. Direct sunlight can lead to leaf scorch. Occasionally, pests like slugs or scale insects may appear but are usually manageable.
Uses
Primarily grown as an ornamental plant for shaded gardens, woodland areas, and indoor decoration due to its attractive foliage.
Notes
Prune old or damaged fronds in early spring to encourage new growth. Repot every 2-3 years if grown indoors to refresh soil and provide space for roots. Sensitive to dry air, so mist regularly or use a humidity tray indoors.