Tree Fern
Dicksonia antarctica
📖 About this plant
The iconic hardy tree fern with a thick, fibrous, dark brown trunk topped by a crown of large, graceful arching fronds. One of the oldest plant lineages on Earth, dating back over 300 million years. Its prehistoric appearance brings a dramatic, Jurassic-era atmosphere to gardens and large indoor spaces.
🧑🌾 Care requirements
Partial shade to bright indirect (3-5 hrs)
Every 2-3 days
High (60-80%)
15-25°C
Rich, moist, well-draining, humus-heavy loamy soil; keep crown consistently moist
Liquid seaweed fertilizer every 2-3 weeks during growing season; slow-release pellets in spring
🌐 Common Names
📋 Plant facts
- 🌍 Origin
- Southeastern Australia, including Tasmania and Victoria; also found in New Zealand
- 📏 Max height
- 4-6 m (outdoors); 1-2 m in containers over many years
- 📐 Spread
- 120-180 cm
- 🕰️ Bloom time
- Non-flowering
- 🎨 Bloom color
- Non-flowering (produces spores)
- 🍃 Foliage color
- Green
- ⏳ Lifespan
- Perennial
- 📈 Growth rate
- Slow
- ☠️ Toxicity
- Non-toxic to humans and pets
- 🌱 Propagation
- Division of offsets; spore propagation (very slow); trunk sections can regrow roots
🛡️ Health & Safety
Non-toxic to humans and pets
Common issues
- Trunk rot from overwatering
- Frost damage on fronds
- Scale insects
💡 Care tips
- Tall prehistoric fern with a trunk-like rhizome
- Water the trunk as well as the soil to keep it moist
- Protect from strong winds and direct afternoon sun
- Very slow-growing but can reach impressive heights over decades