The Autumn Fern (Dryopteris erythrosora) is a deciduous fern known for its vibrant foliage, particularly during the autumn season. Here are some key features and care tips for the Autumn Fern:

1. Foliage: One of the standout features of the Autumn Fern is its attractive fronds. In spring, the new growth emerges with a coppery-pink hue, which matures into a dark green color during the summer. As autumn approaches, the fronds take on shades of bronze and copper, providing a striking display.

2. Size: Autumn Ferns typically reach a mature height of about 18-24 Inches, with a similar spread. They have a clumping growth habit.

3. Habitat: Native to East Asia, the Autumn Fern is well-adapted to woodland settings and is often found in shaded or partially shaded areas.

4. Light Requirements: Autumn Ferns thrive in partial to full shade. While they can tolerate some morning sunlight, they generally prefer a location with filtered sunlight or dappled shade.

5. Soil: Well-draining, humus-rich soil is ideal for Autumn Ferns. They prefer slightly acidic to neutral soil conditions. Adding organic matter to the soil can help retain moisture.

6. Watering: Keep the soil consistently moist, especially during the growing season. These ferns prefer a humid environment, so regular watering is important. Avoid waterlogged conditions.

7. Temperature: Autumn Ferns are hardy in USDA hardiness zones 4 to 9. They can tolerate cool temperatures but may benefit from protection in extremely cold climates.

8. Pruning: Remove any damaged or yellowed fronds regularly. In late winter or early spring, before the new growth emerges, you can cut back any remaining old fronds to make way for fresh growth.

9. Fertilization: In early spring, you can apply a balanced, slow-release fertilizer to provide nutrients for the upcoming growing season.

10. Landscape Use: Autumn Ferns are versatile and can be used in various garden settings. They work well as part of woodland gardens, shaded borders, or as an accent plant. Their vibrant autumn foliage adds interest to the landscape.

11. Pests and Diseases: Autumn Ferns are generally resistant to pests and diseases. However, keeping the fern well-maintained and providing proper growing conditions will help prevent potential issues.

Autumn Ferns are valued for their changing foliage colors, making them a popular choice for shaded gardens or woodland landscapes. Their adaptability to various soil types and relatively low-maintenance nature make them an attractive addition to garden settings.