Nevada Maidenhair Fern Plant Care
Thelypteris nevadensis (Baker) Clute ex C.V.Morton
Updated · Sources · How we source care data
Parathelypteris nevadensis, synonym Thelypteris nevadensis, is a species of fern known by the common names Sierra marsh fern, Sierra wood fern, and Nevada marsh fern. It is native to western North America from British Columbia to the mountains of northern California, where it grows in moist wooded areas, streamsides, meadows, and seeps.
Every 3–5 days
Filtered light, partial shade
60–75°F
50–70%
At a glance
How do you care for Nevada Maidenhair Fern?
Water Nevada Maidenhair Fern every 3–5 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.
Where Is the Nevada Maidenhair Fern Native To?
What Is the Nevada Maidenhair Fern?
Nevada Maidenhair Fern (Thelypteris nevadensis) belongs to the Thelypteridaceae family within the Thelypteris genus. Nevada Maidenhair Fern is native to western North America from British Columbia to the mountains of northern California.
Nevada Maidenhair Fern displays a fern with spreading rhizomes growth habit, reaching up to 2 ft tall with a spread of approximately 3 ft. Nevada Maidenhair Fern produces non-flowering fern.
Leaf size: approximately 12 inches.
How Often Should You Water a Nevada Maidenhair Fern?
Thelypteris nevadensis requires watering every 3–5 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 3–5 days
Let soil partially dry between waterings
What Light Does the Nevada Maidenhair Fern Need?
Nevada Maidenhair Fern thrives in filtered light, partial shade. Avoid placing Nevada Maidenhair 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 Nevada Maidenhair Fern Prefer?
Thelypteris nevadensis grows best at temperatures of 60–75°F. Nevada Maidenhair 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 Nevada Maidenhair Fern?
Moist, well-draining soil with high organic matter content. Good drainage is essential for Nevada Maidenhair Fern to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Nevada Maidenhair Fern?
Feed Nevada 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 Nevada 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 Nevada Maidenhair Fern?
Nevada Maidenhair Fern can be propagated through spores, division of rhizomes. Similar propagation techniques also apply to prickly shield fern plant care, which shares the same genus.
Is the Nevada Maidenhair Fern Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Nevada 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 Nevada Maidenhair Fern?
Nevada 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 Nevada Maidenhair Fern Need?
Nevada Maidenhair Fern grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Nevada Maidenhair Fern is native to western North America from British Columbia to the mountains of northern California. In cooler regions, grow Nevada Maidenhair Fern as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Nevada 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 Thelypteris genus — compare its care with other Thelypteris species on PlantoScan.
Thelypteris is part of the Thelypteridaceae plant family — browse all Thelypteridaceae genera and species.
Nevada Maidenhair Fern produces blooms — browse other flowering plants.
More Thelypteris Species
Other Thelypteris species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Thelypteris nevadensis (Baker) Clute ex C.V.Morton, family Thelypteridaceae (first published in Amer. Fern J. 48(4): 139. 1958 [dt. 1958; issued on 20 Jan 1959]) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Nevada 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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