Transplanting Mature Dicksonia antarctica (Tree Fern) in Australia: Hydration & Humidity Are Key

Rescuing a 2.5m Tree Fern After Root Loss

Dicksonia antarctica has no taproot—just a mass of fibrous roots. Losing many during transplant is expected. Survival depends on constant moisture and humidity.

Critical Steps

1. Plant in rich, organic, well-drained but moisture-retentive soil.
2. Mulch heavily (4–6″) to maintain humidity.
3. Water daily (mist trunk + soak root zone) for first month, then whenever dry.
4. Shade cloth if sun exposure increased.
5. Stake firmly – You've done this.

Recovery Timeline

• New roots grow rapidly in moist conditions.
• Self-supporting in 6–12 months.
• Frond regrowth starts when roots establish.

Resources

• Wikipedia
• UK GardenWeb Thread – Excellent practical advice.

Your shady, organic new site is perfect. Hydration is everything.