Rough Maidenhair Fern
Adiantum hispidulum
Family: Pteridaceae
Rough Maidenhair Fern (Adiantum hispidulum) is a upright houseplant from the Pteridaceae family. Non-toxic to pets. Moderate to advanced care requirements.
Complete Care Guide
Light Requirements
Thrives near east-facing windows or a few feet back from south/west windows. Needs consistent but not intense light.
Watering
Prefers consistently moist soil. Never let it dry out completely. Check soil every few days, especially in warm weather.
Typical schedule: every 5 days (adjust for season and environment).
Humidity
This plant loves moisture in the air. Keep humidity above 50-60% using a humidifier, pebble tray, or by grouping plants together. Bathrooms with natural light are often ideal.
Temperature
Keep between 60–75°F (16–24°C). Avoid cold drafts, heating vents, and sudden temperature changes.
Size & Growth
Mature size: approximately 46 inches tall × 30 inches wide. Growth rate is fast. Habit: upright.
Difficulty Level: 3/5
Moderate care requirements. Needs reasonably consistent watering, appropriate light, and attention to humidity. Best for someone with a few plants already.
Quick Tips
- ✓Water approximately every 4 days
- ✓Prefers medium light conditions
- ✓Humidity preference: high
- ✓Keep between 60-75°F
Common Problems & Solutions
Brown leaf tips
Cause: Low humidity, inconsistent watering, or mineral buildup from tap water
Fix: Increase humidity with a pebble tray or humidifier. Use filtered water. Water on a consistent schedule.
Scorched or bleached leaves
Cause: Too much direct sunlight burning the foliage
Fix: Move away from direct sun. This plant prefers filtered or indirect light.
Drooping or wilting
Cause: Usually underwatering or sudden temperature change
Fix: Water thoroughly and ensure consistent moisture. Avoid cold drafts and heating vents.
Crispy leaf edges
Cause: Humidity too low for this tropical plant
Fix: Group plants together, use a humidifier, or place on a pebble tray. Bathrooms often provide ideal humidity.
Pet Safe
Rough Maidenhair Fern is non-toxic and safe for households with cats and dogs. Verified against the ASPCA Toxic and Non-Toxic Plant Database.
Frequently Asked Questions
Is Rough Maidenhair Fern safe for cats and dogs?▼
Yes! Rough Maidenhair Fern is non-toxic to both cats and dogs according to the ASPCA. Safe to keep in homes with pets.
How often should I water Rough Maidenhair Fern?▼
Water approximately every 5 days, but always check the soil first. Prefers consistently moist soil. Never let it dry out completely. Check soil every few days, especially in warm weather. Adjust frequency based on season — less in winter, more in summer.
How much light does Rough Maidenhair Fern need?▼
Rough Maidenhair Fern prefers medium light conditions. Thrives near east-facing windows or a few feet back from south/west windows. Needs consistent but not intense light.
How big does Rough Maidenhair Fern get?▼
Indoors, Rough Maidenhair Fern typically reaches about 46 inches (117 cm) tall with a spread of around 30 inches. Growth rate is fast. Size depends on pot size, light, and care.
Is Rough Maidenhair Fern good for beginners?▼
Rough Maidenhair Fern has a difficulty rating of 3/5, so it's best for intermediate plant parents. It needs more specific conditions to thrive.
Similar Plants You Might Like
American Parsley Fern
Cryptogramma acrostichoides
Australian Bracken
Pteris tremula
Cretan Brake
Pteris cretica
Fourleaf Maidenhair
Adiantum tetraphyllum