Asplenium antiquum Leslie is an impressive fern with a dense rosette of long, smooth leaves with wavy margins. Its large size makes it a striking feature in any interior.
Watering
When to water: Keep the substrate evenly moist. Water when the top layer (1–2 cm) dries out. Never water into the center of the rosette.
Water type: Soft, room temperature, settled water.
Light
Placement: Partial shade to indirect light. Direct sunlight will burn the leaves.
Temperature and Air
Ideal temperature: 18–26 °C. Sensitive to drafts and cold temperatures below 13 °C.
Humidity: Loves high humidity. Mist the leaves regularly.
Fertilizing and Growth
Fertilizing: Every 4 weeks during the growing season with liquid fertilizer. Do not fertilize in winter.
Substrate
Composition: Light, well-draining substrate for ferns with added perlite or sphagnum moss.
