Learn how to care for an Autumn Fern. Discover the best light, watering, soil, humidity, fertilizing, and growing tips for healthy foliage.

Autumn Fern Care Guide

The Autumn Fern (Dryopteris erythrosora) is a beautiful evergreen fern known for its colorful new growth that emerges in shades of copper, bronze, and orange before maturing to rich, glossy green. Its attractive foliage and low-maintenance nature make it an excellent choice for shaded gardens, woodland landscapes, patios, and indoor containers.

Plant Information

• Botanical Name: Dryopteris erythrosora
• Common Name: Autumn Fern
• Plant Type: Evergreen Fern
• Mature Height: 18–24 inches
• Mature Width: 18–24 inches
• Growth Rate: Moderate
• USDA Hardiness Zones: 5–9

Light Requirements

Autumn Fern grows best in partial to full shade. It thrives in bright, indirect light indoors or dappled sunlight outdoors. Avoid prolonged direct afternoon sun, which can scorch the delicate fronds.

Watering

Keep the soil consistently moist but not waterlogged. Water whenever the top inch of soil begins to dry. While established plants can tolerate brief dry periods, regular moisture produces the healthiest foliage.

Soil

Plant in a well-draining, organic-rich soil that retains moisture while allowing excess water to drain. Adding compost or leaf mold helps create ideal growing conditions.

Temperature & Humidity

• Ideal temperature: 55–75°F (13–24°C)
• Hardy outdoors in USDA Zones 5–9.
• Prefers moderate to high humidity but adapts well to most garden conditions.

Fertilizing

Apply a balanced, slow-release fertilizer in early spring or feed monthly during the growing season with a diluted liquid fertilizer. Avoid excessive fertilization, which may damage the fronds.

Maintenance

• Remove old, damaged, or brown fronds to encourage fresh growth.
• Apply mulch around outdoor plants to help retain soil moisture.
• Divide mature clumps every few years to rejuvenate growth and propagate new plants.

Common Problems

• Brown fronds may result from dry soil, excessive sun exposure, or low humidity.
• Yellowing foliage can indicate overwatering or poor drainage.
• Generally resistant to pests but occasionally may attract slugs, snails, or scale insects.

Pet Safety

Autumn Fern is considered non-toxic to cats and dogs, making it an excellent choice for pet-friendly homes and gardens.

Why You'll Love It

• Stunning copper-orange new fronds that mature to deep green
• Evergreen foliage in many climates
• Excellent for shade gardens, woodland landscapes, and containers
• Easy to grow and low maintenance
• Pet-friendly and suitable for indoor or outdoor use

With consistent moisture, rich soil, and partial shade, your Autumn Fern will reward you with beautiful seasonal color and lush evergreen foliage, adding year-round texture and elegance to your home or garden.