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Autumn Fern

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Gorgeous dramatic foliage color on spreading plants, ideal for borders, containers or use as groundcover; young papery fronds emerge copper in color and develop to green when mature; easy to grow and drought resistant

Characteristics

Species:
erythrosora
Other Species Names:
Japanese Red Shield Fern
Average Landscape Height:
18 inches
Average Landscape Width:
18 inches
Genus:
Dryopteris
Branching:
herbaceous
Evergreen:
1
Plant Form:
spreading
Canopy:
closed
Density:
dense
Growth Rate:
medium
Pruning:
cut back in fall
Summer Foliage Color:
forest green
Maximum Light:
partial shade
Minimum Light:
shade
Maximum Moisture:
wet
Minimum Moisture:
average
Pollution Tolerance:
medium

Ornamental Features

Autumn Fern is primarily valued in the garden for its broadly spreading habit of growth. Its attractive glossy ferny compound leaves emerge coppery-bronze in spring, turning forest green in color with prominent coppery-bronze tips the rest of the year.

Landscape Attributes

Autumn Fern is a dense herbaceous evergreen perennial with a ground-hugging habit of growth. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

Planting & Growing

Autumn Fern will grow to be about 18 inches tall at maturity, with a spread of 18 inches. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 15 years. As an evegreen perennial, this plant will typically keep its form and foliage year-round.

This plant does best in partial shade to shade. It is quite adaptable, prefering to grow in average to wet conditions, and will even tolerate some standing water. It is particular about its soil conditions, with a strong preference for rich, acidic soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone over the growing season to conserve soil moisture. This species is not originally from North America, and parts of it are known to be toxic to humans and animals, so care should be exercised in planting it around children and pets. It can be propagated by division.

Autumn Fern is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. Because of its spreading habit of growth, it is ideally suited for use as a 'spiller' in the 'spiller-thriller-filler' container combination; plant it near the edges where it can spill gracefully over the pot. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

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