Delta maidenhair fern (Adiantum raddianum)
Care, watering, light and tips for Delta maidenhair fern on Floravia.
Quick facts
- Family: Pteridaceae
- Difficulty: Demanding
- Watering: every 3 days
- Light: Shade
- Temperature: 10–28 °C
About Delta maidenhair fern
Adiantum raddianum, commonly known as Delta Maidenhair Fern, is a delicate and elegant fern with finely divided fronds resembling hair. Its dark, shiny stems beautifully contrast with the light green foliage. It is ideal for terrariums, humid bathrooms, or as a hanging plant in bright indoor spaces, adding a touch of freshness and sophistication.
Native range
South and Central America, extending into the Caribbean
Care tips
It requires bright, indirect light; avoid direct sunlight, which can scorch its sensitive fronds. Keep the substrate consistently moist but not waterlogged, and ensure high ambient humidity by misting regularly or using a humidifier. Use a well-draining, organic-rich potting mix. The most common mistake is allowing the substrate to dry out completely, which causes the fronds to wilt rapidly.
How to save a dying Delta maidenhair fern
- Warning signs
- Dry, crispy leaves, brown edges, frond drop.
- First aid
- Increase humidity with misting and a pebble tray. Check soil, if dry, water thoroughly.
- What kills it
- Dry air, lack of constant humidity, and insufficient watering. Very sensitive to dryness.
- Can it be saved?
- Yes, if there are still green stems or live rhizomes. Be consistent with humidity.