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Autumn Fern Brilliance

Dryopteris erythrosora 'Brilliance'
Autumn Fern Brilliance is a hardy perennial fern with copper-red new fronds that mature to rich green. It grows 2 feet tall, and as much across, offering year-round interest in shady landscapes or containers.

Product Details

Autumn Fern Brilliance

Dryopteris erythrosora 'Brilliance'

With its vivid coppery-orange new growth and lush green mature fronds, Autumn Fern Brilliance adds dynamic color and texture to shady spaces. This clump-forming fern reaches about 18 to 24 inches in height and width, making it ideal for borders, woodland flowerbeds, or containers.

  • Copper-red new fronds that turn deep green
  • Upright, arching growth habit
  • Grows 18-24 inches tall and wide
  • Thrives in partial to full shade
  • Excellent for interior and exterior use

Autumn Fern Brilliance prefers consistently moist, well-draining soil and does best in shady to partially shaded conditions. This plant requires only occasional cleanup of older fronds. This striking fern brings seasonal color changes and evergreen presence in milder climates. Use it to brighten shaded beds, under trees, or add soft texture to patio containers.

While low-maintenance once established, a few consistent habits will keep Autumn Fern Brilliance thriving and vibrant. Here’s what you keep in mind:

  • Watering: Keep soil consistently moist, especially during the first growing season. Once established, Autumn Fern tolerates short dry periods but performs best with regular watering in heat. Avoid waterlogging - soil should be moist but never soggy.
  • Pruning: Trim away old or damaged fronds in late winter or early spring before new growth emerges. This tidies up the plant and encourages healthy new foliage.
  • Fertilizing: Feed lightly in early spring with a balanced, slow-release fertilizer or organic compost. Too much fertilizer can lead to excessive soft growth that’s less hardy.
  • Mulching: Apply a 2-3 inch layer of organic mulch such as pine bark or leaf mold to help retain soil moisture and regulate temperature. Replenish mulch each spring.
  • Spacing: Plant ferns 18-24 inches apart to allow for mature spread and airflow. In mass plantings, closer spacing creates a lush, full groundcover look.

Common Issues and How to Take Care of Them

While hardy and resilient, the Autumn Fern Brilliance is still susceptible to a variety of pests and diseases. Keep your eye out for:

  • Leaf scorch or browning tips: Usually caused by too much direct sun or dry soil. Move the plant to a shadier location and water consistently.
  • Yellowing fronds: Often due to poor drainage or overwatering. Ensure the soil drains freely and avoid letting the roots sit in standing water.
  • Fronds flattening or drooping: Can result from wind or heavy rain. Lightly staking or trimming back damaged fronds helps maintain a neat form.
  • Slugs and snails: Common in shaded, moist areas. Use natural deterrents like crushed eggshells, diatomaceous earth, or pet-safe slug bait around the base.
  • Fungal spots: Occasionally appear during humid, stagnant conditions. Improve air circulation and remove any affected fronds. A mild copper-based fungicide can help if the issue persists.

A little bit of care and a watchful eye are all Autumn Fern Brilliance needs to be healthy and thrive for many years.

Plant in early spring or fall, when temperatures are mild and moisture levels are consistent - perfect conditions for new root growth.

Epsom salt provides nutrients like magnesium and sulfur that help enhance your fern's growth and promote lush foliage.

Expect it to reach full size within about two to three years, with fronds unfurling larger and more colorful each growing season.

Light pruning is necessary for Autumn Fern Brilliance, but don’t go overboard. Just trim away older or damaged fronds in late winter to make room for fresh spring growth.

In warmer climates, yes - it can hold its foliage year-round. In cooler regions, fronds may die back and reemerge once temperatures rise.

It can tolerate short dry periods once established, but consistent moisture will always bring out its best color and fullness.

Yes. Its arching fronds overlap to form a dense, layered look that fills shady borders and softens edges beautifully.

With steady care and consistent moisture, it can thrive for decades - ferns are surprisingly long-lived when undisturbed.

Definitely, it pairs beautifully with hostas, hellebores, and other moisture-loving perennials without competing for space.

No - it forms neat, slowly expanding clumps that stay right where you plant them, so you don’t have to worry about overcrowding or your fern taking over the landscape.

Special Features

Copper-red new fronds
Upright, arching growth habit
Thrives in partial to full shade
Excellent for interior and exterior use
Dynamic color and texture
Leaf Retention:Herbaceous
Scientific Name:Dryopteris erythrosora 'Brilliance'
Sun Needs:Shade
Maturity:2' H x 2' W
Leaf Color:Fronds emerge in copper hues, transitioning to green.

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Autumn Fern Brilliance
Autumn Fern Brilliance

This plant

Scientific NameDryopteris erythrosora 'Brilliance'Dryopteris ludoviciana
Size at Maturity2' H x 2' W3' H x 3' W
Leaf RetentionHerbaceousHerbaceous
Sizes Available1, 3 gal
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