Staghorn Fern: A Complete Guide to Growing and Caring for This Unique Epiphyte

With its striking antler-shaped fronds, the staghorn fern (genus Platycerium) makes a dramatic statement in any indoor or outdoor space. This epiphytic fern naturally grows on tree trunks and rocks in tropical and temperate regions across South America, Africa, Southeast Asia, Australia, and New Guinea. Unlike parasitic plants, it derives nutrients from air, rain, and decaying organic matter caught in its specialized basal fronds.

Understanding Staghorn Fern Biology

There are about 18 species in the Platycerium genus, with Platycerium bifurcatum being the most commonly cultivated as a houseplant. The plant produces two distinct frond types: sterile basal fronds that form a shield-like base, and fertile foliar fronds that bear reproductive spores on their undersides. The basal fronds overlap to protect the root system and collect debris that decomposes into nutrients, while the foliar fronds can be erect or pendant, adding architectural interest.

Mounting Your Staghorn Fern

Because they're epiphytes, staghorn ferns thrive when mounted on wood or placed in hanging baskets rather than potted in soil. To mount:

1. Select a sturdy hardwood board and attach a heavy-duty hanging hook.
2. Soak sphagnum moss, squeeze out excess water, and place a mound in the board's center.
3. Position the fern with fronds pointing upward on the moss.
4. Secure with two small nails on either side and crisscross fishing line over the moss and root ball.
5. Hang in bright, indirect light.

As the fern grows, the fishing line becomes concealed by new growth.

Essential Care Requirements

Watering

Submerge the entire mount (root ball and moss) in water for 15 minutes during spring and fall; reduce to a few minutes in winter. Water only when the moss and roots are completely dry. Avoid letting fronds stay damp for extended periods.

Temperature & Humidity

Maintain temperatures above 55°F (13°C), ideally 65°F (18°C) or higher. Weekly misting helps humidity, but ensure good air circulation to prevent fungal issues.

Feeding

During the growing season, apply water-soluble fertilizer to young plants. Established specimens benefit from slow-release fertilizer. Propagate by carefully removing pups (offsets) with some attached moss and mounting them as described above.

With proper mounting and attention to its unique watering needs, the staghorn fern rewards growers with years of unusual, sculptural beauty.