Maidenhair Fern (Adiantum raddianum) is a graceful, fine-textured fern prized for its lacy, fan-shaped leaflets borne on glossy black, hair-like stems. The soft, light-green fronds create a delicate, cascading effect that suits terrariums, hanging baskets and shaded balconies. Native to tropical America, it thrives in warm, humid conditions and indirect light, making it a popular indoor accent across Indian homes. It is moisture-loving and intolerant of drying out, rewarding consistent care with lush, feathery growth. In Ayurveda the related Hansraj is valued medicinally, adding cultural appeal to this elegant ornamental fern.
Specifications
| Family |
Pteridaceae |
| Native region |
Tropical America |
| Mature height |
30-45 cm |
| Mature spread |
30-45 cm |
| Growth rate |
Moderate |
| Foliage |
Delicate fan-shaped light-green fronds on black stems |
| Flower colour |
ā |
| Flower season |
ā |
| Climate zone |
Tropical to subtropical, warm humid |
Care guide
| Sunlight |
Bright indirect light to partial shade; no direct sun. |
| Watering |
Keep soil evenly moist; never let it dry out fully. |
| Soil / mix |
Light, humus-rich, well-draining potting mix. |
| Temperature |
18-27 C; protect from cold drafts. |
| Humidity |
High (60%+); mist or use a pebble tray. |
| Fertilizer |
Half-strength balanced liquid feed monthly in growth. |
| Pruning |
Trim browned or dead fronds at the base. |
| Repotting |
Every 1-2 years in spring when rootbound. |
| Propagation |
Division of rhizomes; spores. |
| Pests & problems |
Watch for scale, mealybugs and spider mites. |
| Toxicity / safety |
Non-toxic to cats, dogs and humans. |
| Difficulty |
Moderate to challenging. |
Uses
Ideal as an indoor accent in terrariums, bathrooms and shaded balconies. Its soft texture softens plant groupings and adds lush greenery.
Growing tips
In India keep it away from harsh afternoon sun and dry indoor air; group with other plants or use a humidity tray, especially during dry winters and AC use.