How to Grow Staghorn Ferns: Complete Care Guide

By Emma Johnson · January 24, 2026

Staghorn ferns (Platycerium spp.) are epiphytic plants that thrive when mounted on wood or in hanging baskets with well-draining media; they require bright, indirect light, consistent humidity, and regular watering when the fronds feel slightly dry.

Understanding Staghorn Ferns

Staghorn ferns, named for their antler-like fronds, are unique epiphytes native to tropical and subtropical regions. Unlike traditional potted plants, they grow on trees or surfaces without soil, absorbing moisture and nutrients through their fronds and root systems. The two main types grown in homes and gardens are Platycerium bifurcatum (common staghorn) and Platycerium superbum (giant staghorn), both prized for their dramatic appearance and air-purifying qualities.

Key Characteristics of Staghorn Ferns

Epiphytic growth habit – does not require soil
Two types of fronds: basal (shield) and fertile (antler-like)
Natural habitat includes rainforests and humid forests
Slow-growing but long-lived with proper care
Thrives in high humidity and filtered sunlight

Choosing the Right Environment

Proper placement is crucial for healthy staghorn fern development. These plants prefer stable conditions that mimic their natural canopy environment.

Light Requirements

Staghorn ferns need bright, indirect light. Direct afternoon sun can scorch the fronds, while too little light leads to weak growth. Ideal locations include north- or east-facing patios, under tree canopies, or near shaded windows indoors.

Temperature and Humidity

They perform best in temperatures between 60°F and 80°F (15–27°C). Humidity levels should be maintained at 50% or higher. In dry climates, misting or using a humidifier improves vitality.

Mounting vs. Potting: How to Plant Staghorn Ferns

Most staghorn ferns are mounted rather than planted in pots. Mounting replicates their natural growth pattern and prevents root rot.

Steps to Mount a Staghorn Fern

Select a wooden board, cork log, or coconut fiber basket.
Soak sphagnum moss in water and squeeze out excess.
Place the moss around the roots and position the plant on the mount.
Secure with fishing line or non-galvanized wire.
Hang in a suitable location and begin regular watering.

Potting Alternative

If potting, use a wire basket lined with coconut fiber and filled with orchid bark mix. Ensure excellent drainage and airflow to prevent decay.

Watering and Feeding Your Staghorn Fern

Unlike soil-based plants, staghorn ferns absorb water through both roots and fronds. Overwatering is a common cause of failure.

Watering Guidelines

Soak the entire mount in water for 10–15 minutes once a week during warm months.
Reduce frequency in winter to every 2–3 weeks.
Mist the fronds regularly to boost humidity.
Allow partial drying between waterings.

Fertilizing Tips

Feed monthly during growing season (spring to early fall) with a balanced liquid fertilizer (e.g., 10-10-10) diluted to half strength. Apply directly to the green fronds and moss.

Common Problems and Troubleshooting

Even well-cared-for staghorn ferns can face issues. Early detection ensures recovery.

Brown tips: Low humidity or inconsistent watering.
Yellowing fronds: Overwatering or poor drainage.
Shriveled basal fronds: Natural aging; remove only when completely dry.
Pests: Mealybugs and scale may occur; treat with insecticidal soap or neem oil.
Black spots: Fungal infection from excessive moisture; improve airflow.

Care Factor	Optimal Range	Minimum Tolerance	Maximum Tolerance
Light (foot-candles)	500–1000	300	1500
Humidity (%)	50–80	40	90
Temperature (°F)	60–80	50	95
Watering Frequency (summer)	Every 7 days	Every 5 days	Every 10 days
pH of Water/Moss	5.5–6.5	5.0	7.0

Table data source:1, 2

The data shows that staghorn ferns require moderate light and high humidity to thrive, with narrow tolerance for extreme deviations. Temperature stability is essential, especially avoiding cold drafts below 50°F. Maintaining slightly acidic conditions in the growing medium supports nutrient uptake.

Propagation and Long-Term Care

Staghorn ferns can be propagated by removing pups (offsets) from mature plants. Wait until the pup has its own root system and small basal frond before separating. Attach it to a new mount with sphagnum moss and secure gently.

Long-term success involves annual inspection of mounts, replacing degraded moss, and ensuring wires don’t girdle the plant as it expands. With proper care, staghorn ferns can live for decades and grow over 3 feet wide.

Common Questions About Staghorn Fern Care

How often should I water my staghorn fern?

Water your staghorn fern by soaking the mount in room-temperature water for 10–15 minutes once a week during active growth. In cooler months, reduce to every 2–3 weeks. Always allow partial drying between sessions to prevent rot.

Can staghorn ferns grow indoors?

Yes, staghorn ferns can thrive indoors if placed near a bright, indirect light source such as an east-facing window. Maintain humidity above 50% using a humidifier or pebble tray, and ensure good air circulation to prevent fungal issues.

Why are the basal fronds turning brown?

Brown basal fronds are often a natural part of the aging process. These shield fronds protect the roots and slowly die as the plant grows. Only remove them when completely dry and detached; premature removal can damage the plant.

Do staghorn ferns need fertilizer?

Yes, staghorn ferns benefit from monthly feeding during spring and summer with a balanced, water-soluble fertilizer diluted to half strength. Avoid fertilizing in fall and winter when growth slows.

How do I increase humidity for my staghorn fern?

To increase humidity, mist the fronds daily, place a humidifier nearby, or group plants together. Growing in bathrooms or kitchens with natural steam can also help maintain adequate moisture levels.