Rough Maidenhair Fern
Adiantum hispidulum
Hedgehog Fern
About this plant
Adiantum hispidulum, known as the Rough Maidenhair Fern, is a graceful fern with delicate, fan-shaped leaflets on wiry black stems. It is admired for its airy appearance and is often used as a decorative houseplant or in shaded garden areas. This fern adds a soft, natural touch to indoor spaces and shaded outdoor spots.
Taxonomy
- Genus
- Adiantum
- Family
- Pteridaceae
- Higher classification
- Polypodiopsida (ferns)
- Plant type
- Houseplant
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Australia, New Zealand, Southeast Asia
- Distribution
- Native to Australia, New Zealand, and parts of Southeast Asia; cultivated worldwide as an ornamental fern.
Care
- Light preference
- Partial shade
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- North-facing, East-facing, Northeast-facing, Northwest-facing
- Watering frequency
- Moderate
- Watering interval
- 2–5 days
- Humidity
- High
- Minimum
- 10 °C
- Maximum
- 30 °C
- Optimal
- 15-24 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 5.5-6.5 (slightly acidic to neutral)
- Soil type
- well-draining, rich organic potting mix
Watering. Keep soil consistently moist but not soggy. Water when the top inch of soil feels dry. Increase humidity by misting regularly or using a humidity tray.
Fertilizing. Feed with a balanced, diluted liquid fertilizer every 4-6 weeks during the growing season (spring and summer). Avoid over-fertilizing, which can harm the plant.
Adiantum hispidulum is a delicate fern that prefers indirect light and consistently moist soil. It can be sensitive to dry air and overwatering, so maintaining humidity and proper watering is important. Regular misting and avoiding direct sunlight help keep it healthy.
Propagation
- Propagation methods
- Division, Cuttings
- Care difficulty
- Medium
Ornamental features
- Flowering
- No
Delicate, fan-shaped green leaflets with dark wiry stems creating a soft, lacy texture.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe for homes with children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Mold in soil
- Pollen level
- None
Adiantum hispidulum is generally safe and unlikely to cause allergies. However, people sensitive to plant spores or mold might experience mild reactions. To reduce exposure, keep the plant in a well-ventilated area and avoid excessive moisture that can promote mold growth.
Common problems
Common problems include browning leaf edges from dry air, yellowing from overwatering, and leaf drop if exposed to direct sunlight or drafts.
Uses
Primarily grown as an ornamental plant for indoor decoration and shaded garden areas due to its attractive foliage.
Notes
Prune dead or yellowing fronds to encourage new growth. Repot every 2-3 years in fresh, well-draining soil. Protect from cold drafts and sudden temperature changes.