Alpine Lady Fern Plant Care
Athyrium distentifolium Tausch ex Opiz
Updated · Sources · How we source care data
Athyrium distentifolium commonly known as alpine lady-fern is a perennial fern found in widely in the Northern Hemisphere.
Every 4–7 days
Filtered light, partial shade
60–75°F
50–70%
At a glance
How do you care for Alpine Lady Fern?
Water Alpine Lady Fern every 4–7 days, letting the top layer of soil dry out between waterings, and give it filtered light, partial shade. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Alpine Lady Fern?
Alpine Lady Fern (Athyrium distentifolium) belongs to the Aspleniaceae family within the Athyrium genus. Alpine Lady Fern is native to widely in the Northern Hemisphere. Alpine Lady Fern is also known as Mountain Fern.
Alpine Lady Fern displays a clumping, spreading fern growth habit, reaching up to 2 ft tall with a spread of approximately 3 ft. Alpine Lady Fern produces non-flowering fern.
Leaf size: approximately 18 inches.
How Often Should You Water a Alpine Lady Fern?
Athyrium distentifolium requires watering every 4–7 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 4–7 days
Let soil partially dry between waterings
What Light Does the Alpine Lady Fern Need?
Alpine Lady Fern thrives in filtered light, partial shade. Avoid placing Alpine Lady Fern in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Filtered light, partial shade
What Temperature and Humidity Does the Alpine Lady Fern Prefer?
Athyrium distentifolium grows best at temperatures of 60–75°F. Alpine Lady Fern prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Alpine Lady Fern?
Rich, well-draining soil with high organic matter content. Good drainage is essential for Alpine Lady Fern to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Alpine Lady Fern?
Feed Alpine Lady 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 Alpine Lady Fern?
Repot every 2-3 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 Alpine Lady Fern?
Alpine Lady Fern can be propagated through division of rhizomes. Similar propagation techniques also apply to japanese painted fern plant care, which shares the same genus.
Is the Alpine Lady Fern Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Alpine Lady 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 Alpine Lady Fern?
Alpine Lady Fern is susceptible to spider mites, aphids, scale insects. 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 Alpine Lady Fern Need?
Alpine Lady Fern grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Alpine Lady Fern is native to widely in the Northern Hemisphere. In cooler regions, grow Alpine Lady Fern as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Alpine Lady 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 Athyrium genus — compare its care with other Athyrium species on PlantoScan.
Athyrium is part of the Aspleniaceae plant family — browse all Aspleniaceae genera and species.
Alpine Lady Fern produces blooms — browse other flowering plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Athyrium distentifolium Tausch ex Opiz, family Aspleniaceae (first published in Kratos 2(1): 14 (1820)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Alpine Lady 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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