How much sun does Alpine Ladyfern need?

Alpine Ladyfern grows best in part shade conditions.

Where is Alpine Ladyfern native?

Alpine Ladyfern (Athyrium americanum) is native to CA, CO, ID, MT and 5 more states, per vouchered herbarium specimen records and regional native plant society lists.

Is Alpine Ladyfern HOA-friendly?

Alpine Ladyfern is generally an HOA-friendly choice in the right placement, with low maintenance.

Alpine Ladyfern

Name: Pollinator Patch
Author: Pollinator Patch

Athyrium americanum

Last reviewed: September 2026

Toxicity unknown

Alpine Ladyfern (Athyrium americanum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

high

Size

6"–24" H × 6"–18" W

Bloom

N/A

Native to

CA, CO, ID, MT and 5 more states

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Coast Range Northwestern Forested Mountains Sierra Nevada Central Basin and Range Southern Rockies North American Deserts

American Lady Fern is a delicate native fern with lacy, light green fronds that create an elegant woodland appearance. It thrives in moist, shaded areas and dies back completely in winter, returning fresh each spring.

In an HOA neighborhood

Alpine Ladyfern is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, mid zone.

Completely disappears in winter leaving bare soil

Wildlife value

This fern provides shelter and nesting material for small wildlife and birds. The dense fronds offer habitat for beneficial insects and create cool, moist microclimates that support salamanders and other woodland creatures.

Common questions

How much sun does Alpine Ladyfern need?: Alpine Ladyfern grows best in part shade conditions.
Where is Alpine Ladyfern native?: Alpine Ladyfern (Athyrium americanum) is native to CA, CO, ID, MT and 5 more states, per vouchered herbarium specimen records and regional native plant society lists.
Is Alpine Ladyfern HOA-friendly?: Alpine Ladyfern is generally an HOA-friendly choice in the right placement, with low maintenance.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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