Aleutian Maidenhair Fern Plant Care

Adiantum aleuticum (Rupr.) C.A.Paris

Updated · Sources · How we source care data

Adiantum aleuticum, the western maidenhair fern or Aleutian maidenhair, is a species of deciduous fern in the genus Adiantum.

🪴Houseplants🌿Ferns
Water

Every 3–7 days

Light

Bright indirect light

Temp

60–75°F

Humidity

50–80%

At a glance

How do you care for Aleutian Maidenhair Fern?

Water Aleutian Maidenhair Fern every 3–7 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–75°F (16–24°C) and 50–80% humidity. Fertilize it every 6 months during the growing season.

What Is the Aleutian Maidenhair Fern?

Aleutian Maidenhair Fern (Adiantum aleuticum) belongs to the Pteridaceae family within the Adiantum genus. Aleutian Maidenhair Fern is also known as Western Maidenhair Fern.

Aleutian Maidenhair Fern displays a fern with delicate fronds growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Aleutian Maidenhair Fern produces non-flowering plant.

Leaf size: approximately 12 inches.

How Often Should You Water a Aleutian Maidenhair Fern?

Adiantum aleuticum requires watering every 3–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 3–7 days

Let soil partially dry between waterings

What Light Does the Aleutian Maidenhair Fern Need?

Aleutian Maidenhair Fern thrives in bright indirect light. Avoid placing Aleutian Maidenhair Fern in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Aleutian Maidenhair Fern Prefer?

Adiantum aleuticum grows best at temperatures of 60–75°F. Aleutian Maidenhair Fern prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–75°F

Humidity

50–80%

What Soil Mix Works Best for a Aleutian Maidenhair Fern?

Rich, well-draining soil with high organic matter content. Good drainage is essential for Aleutian Maidenhair Fern to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Aleutian Maidenhair Fern?

Feed Aleutian Maidenhair Fern every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Aleutian Maidenhair Fern?

Repot every 1-2 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Aleutian Maidenhair Fern?

Aleutian Maidenhair Fern can be propagated through spores, division of rhizomes. Similar propagation techniques also apply to adiantum bellum plant care, which shares the same genus.

Is the Aleutian Maidenhair Fern Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Aleutian Maidenhair Fern, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Aleutian Maidenhair Fern?

Aleutian Maidenhair Fern is susceptible to aphids, scale insects, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Aleutian Maidenhair Fern Need?

Aleutian Maidenhair Fern grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Aleutian Maidenhair Fern as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Aleutian Maidenhair Fern is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Adiantum genus — compare its care with other Adiantum species on PlantoScan.

Adiantum is part of the Pteridaceae plant family — browse all Pteridaceae genera and species.

Aleutian Maidenhair Fern thrives in bright light and direct sun — see other bright-light plants.

More Adiantum Species

Other Adiantum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Adiantum aleuticum (Rupr.) C.A.Paris, family Pteridaceae (first published in Rhodora 93: 112 (1991)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Aleutian Maidenhair Fern, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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