fern · design plant record

Polystichum acrostichoides

Christmas fern

An evergreen leafy anchor for a shaded edge. Leave room for an adult clump instead of planting to nursery-pot size.

Height at maturity
0.3–0.91 m (1–3 ft)
Spread at maturity
0.3–0.91 m (1–3 ft)
Light
Part shade / Shade
Moisture
Drier soil after establishment / Moist, draining soil
Source-reported USDA zones
3–9 · verify subzone and cultivar
Principal seasonal role
Spring, Winter

Fit it to the site

Organically rich, draining soil; acidic conditions in the source profile.

Reject permanently saturated soil. Dry-to-medium moisture tolerance does not eliminate establishment watering.

Keep the care in the decision

Keep the site draining. Check new root balls during establishment; remove only damaged fronds when needed. Slowly enlarging clumps are easier to place than a fast-running groundcover.

Origin & safety checks

Eastern North America; verify your local native range.

Toxicity not assessed here. Do not treat absence of a warning as evidence of safety.

Check current invasive restrictions with your local plant-health or extension authority. For pets, use the exact botanical name in a veterinary toxicity reference; for potential ingestion or exposure, get appropriate professional advice rather than relying on a design guide.

Factual source · checked 3 October 2026

NC State Extension Gardener Plant Toolbox: Polystichum acrostichoides

Ranges are rounded metric conversions of the source's dimensions. Growth varies with cultivar and conditions. Linked source photographs can help verify identity; our concept garden images cannot.