Rough maidenhair fern

The Rough maidenhair fern (Adiantum hispidulum) is a perennial fern species belonging to the family Pteridaceae. It is recognized by its delicate, finely divided fronds that are covered with tiny, stiff hairs. This unique morphological feature distinguishes it from other common varieties of maidenhair ferns found in commercial cultivation.

Native to Africa, Australia, and parts of the Pacific Islands, this fern thrives in tropical and subtropical environments. It is typically found in rock crevices, stream banks, and shaded forest understories, where it benefits from consistent humidity levels and protection from direct sunlight, which would otherwise burn its sensitive foliage.

Botanically, the plant features arching, dichotomously branched fronds that grow from a creeping rhizome. One of the most attractive traits of Adiantum hispidulum is the color transition of its foliage: new growth emerges with a distinct pink or copper hue, maturing into a deep, lush green as the plant develops.

Cultivation requires strict adherence to specific environmental conditions. It demands a highly porous, organic-rich, and slightly acidic potting medium that ensures excellent drainage. The plant must be kept consistently moist but never waterlogged. High ambient humidity is crucial, making this species an excellent candidate for terrariums or humid bathroom environments.

When it comes to plant health, common pests such as scale insects, mealybugs, and spider mites can pose a threat, particularly if the air is too dry. Diseases are usually related to improper watering practices, often resulting in root rot. Maintaining a clean environment and ensuring adequate airflow are key to preventing these issues in a collection.

• Light: Indirect, shaded
• Humidity: High (60–80%)
• Water: Keep moist, never dry out
• Temperature: 18–24°C