Fourleaf Maidenhair
Adiantum tetraphyllum
Family: Pteridaceae
Fourleaf Maidenhair (Adiantum tetraphyllum) 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 4 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 29 inches tall × 25 inches wide. Growth rate is moderate. 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
Fourleaf Maidenhair 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 Fourleaf Maidenhair safe for cats and dogs?▼
Yes! Fourleaf Maidenhair is non-toxic to both cats and dogs according to the ASPCA. Safe to keep in homes with pets.
How often should I water Fourleaf Maidenhair?▼
Water approximately every 4 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 Fourleaf Maidenhair need?▼
Fourleaf Maidenhair 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 Fourleaf Maidenhair get?▼
Indoors, Fourleaf Maidenhair typically reaches about 29 inches (74 cm) tall with a spread of around 25 inches. Growth rate is moderate. Size depends on pot size, light, and care.
Is Fourleaf Maidenhair good for beginners?▼
Fourleaf Maidenhair has a difficulty rating of 3/5, so it's best for intermediate plant parents. It needs more specific conditions to thrive.
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