Davallia tyermannii

Davallia tyermannii – A Pet-Safe Fern with Whimsical Roots

Davallia tyermannii (T.Moore) H.J.Veitch is a visually distinctive fern native to subtropical Asia, specifically southern China, Taiwan, and northern Myanmar. Known as the ‘White Rabbit’s Foot Fern’, it features white, fuzzy rhizomes that resemble rabbit feet, crawling delicately over the edge of pots or mounting boards. The finely divided, soft-green fronds contrast beautifully with the furry rhizomes, making it a standout in any indoor setup – especially in hanging baskets or epiphytic displays.

Why Davallia tyermannii Belongs in Your Indoor Jungle

• Iconic Rhizomes: White, woolly roots spread above the soil, adding charm and visual texture.
• Space-Efficient: Reaches a manageable 30 – 45 cm in frond length – perfect for shelves, baskets, or terrariums.
• Frond Texture: Evergreen, feather-light and highly dissected for a soft, lush look year-round.
• Mount or Pot Friendly: Naturally epiphytic – grows equally well in loose substrate or on bark, stone, or wood.
• Safe for Pets: Non-toxic to cats, dogs, and humans, ideal for family households.

Natural Origin and Growth Behavior of Davallia tyermannii

This fern occurs in the warm, humid forests of southeastern Asia, growing on tree trunks and mossy rocks. As an epiphyte or lithophyte, it absorbs moisture from the air and organic debris. Its creeping rhizomes allow it to slowly colonize its surroundings without becoming invasive – a trait that makes it ideal for contained indoor growth.

How to Keep Davallia tyermannii Thriving Indoors

• Light: Bright, indirect light is ideal. It tolerates lower levels but avoid strong direct sun to prevent frond scorch.
• Watering: Water when the top layer feels dry. Keep the substrate evenly moist but never soggy. Rhizomes should not sit in water.
• Humidity: Enjoys moderate to high humidity. Normal indoor levels are tolerated, but extra humidity boosts vitality.
• Temperature: Performs best between 18 – 24 °C. Avoid cold air or temperatures below 15 °C.
• Soil: Use a very loose, well-draining mix – e.g. peat, pine bark, and perlite – to mimic epiphytic conditions.
• Fertilizer: During active growth, feed every 4 – 6 weeks with a half-strength, balanced liquid fertilizer. Avoid buildup on rhizomes.
• Pruning: Trim dead or yellowing fronds regularly to maintain appearance and support new growth.
• Mounting: Can be grown mounted on cork, wood, or bark slabs – ideal for terrariums or decorative wall displays.
• Propagation: Divide the rhizomes carefully, ensuring each piece has roots and at least one frond. Keep moist until established.
• Repotting: Only repot when outgrowing the current setup. No seasonal rule – base it on space, not calendar.

Solving Common Problems with Davallia tyermannii

• Frond Browning: May result from dry air or underwatering. Increase humidity and check watering consistency.
• Yellow Leaves: A sign of overwatering or poor drainage. Improve airflow and allow soil to dry slightly between waterings.
• Pests: Occasionally attracts spider mites, mealybugs, or scale. Use neem oil or insecticidal soap and isolate if needed.
• Rotting Rhizomes: Caused by soggy conditions. Ensure drainage and avoid letting rhizomes sit on wet soil.

Etymology and Botanical Background

Davallia is named after Swiss botanist Edmond Davall (1763 – 1798), known for his fern research. The species epithet tyermannii honors the collector who first brought this fern to horticulture. The valid botanical citation is: Davallia tyermannii (T.Moore) H.J.Veitch, published in The Gardeners' Chronicle, Series 1, Volume 13, page 758, in 1880.

Is Davallia tyermannii Toxic?

No – this fern is considered non-toxic to pets and humans. It’s a safe and family-friendly option for plant lovers who share their home with animals or children.

Looking for a graceful, textural fern that plays well with others and never overwhelms a space? Let Davallia tyermannii trail its fuzzy rhizomes across your shelf or basket. It’s gentle, pet-safe, and far from ordinary – order yours now.