Pteridaceae
Giant Leather Fern (Acrostichum danaeifolium)
Acrostichum danaeifolium
Outdoor plant suited for full sun to partial shade. Requires permanently moist to wet soil â ideal for pond edges, bog gardens, and coastal landscapes. Low maintenance; no regular pruning needed. Tolerates saline soils.
Every 3 days
Bright indirect
10° - 38°C
70% - 95%
Categories
What is Giant Leather Fern?
Giant Leather Fern (Acrostichum danaeifolium) is a medium-care plant from the Pteridaceae family. The Giant Leather Fern (Acrostichum danaeifolium) is one of the largest ferns in the Americas, native to mangrove swamps and coastal wetlands of tropical America. It can reach up to 12 feet tall and thrives in consistently wet, even flooded, soils with high humidity.
Giant Leather Fern grows up to 3.6m, with spread of 300cm, watering every 3 days, 10°C â 38°C, 70â95% humidity. It is not suitable for indoor environments and safe for pets.
Unlike many popular species, Giant Leather Fern is safe to keep around pets.
How to Care for Giant Leather Fern?
TLDR: Giant Leather Fern needs Bright indirect, watering every 3 days, and temperatures between 10-38°C with 70-95% humidity.
How Often Should You Water Giant Leather Fern?
Keep soil consistently moist or slightly flooded. Water every 2-3 days or more frequently during hot weather. Never allow the substrate to dry out completely.
How Much Light Does Giant Leather Fern Need?
Thrives in full sun to partial shade. Needs at least 6 hours of direct sunlight daily for vigorous growth. Not suitable for indoor cultivation.
What Is the Best Soil for Giant Leather Fern?
Prefers loamy to clay-rich soils with high organic matter and moisture retention. Tolerates saline and waterlogged conditions typical of mangrove environments.
What Pot Should You Use for Giant Leather Fern?
Outdoor bed, pond edge, or bog garden. Not suitable for indoor pots.
What Is Giant Leather Fern and Where Does It Come From?
The Giant Leather Fern (Acrostichum danaeifolium) is one of the largest ferns in the Americas, native to mangrove swamps and coastal wetlands of tropical America. It can reach up to 12 feet tall and thrives in consistently wet, even flooded, soils with high humidity.
How Big Does Giant Leather Fern Grow?
TLDR: Giant Leather Fern can reach up to 3.6m tall with Medium growth rate.
Max height
3.6m
Spread
3.0m
Growth rate
Medium
Foliage
Evergreen
Plant Uses
Ornamental
Great for decoration
Edible
Can be consumed
Medicinal
Medicinal properties
Medicinal Uses
- Leaf infusion used traditionally to treat high fevers
Culinary Uses
- Young buds/shoots eaten as a vegetable in indigenous communities
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Giant Leather Fern?
TLDR: Giant Leather Fern is susceptible to 3 known diseases. Monitor regularly for early detection.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Overwatering
Overwatering occurs when plants receive too much water, depriving roots of oxygen and causing root rot. This environmental stress is one of the most common causes of houseplant death, as waterlogged soil prevents roots from breathing and functioning properly.
Leaf Spot
Leaf spot is a common fungal disease caused by various pathogens including Alternaria, Ascochyta, Colletotrichum, Septoria, and Venturia. It primarily affects leaves, causing discolored spots that can lead to premature leaf drop if left untreated.
Fun Facts
One of the largest ferns in the world, reaching up to 12 feet (3.6 m) tall.
One of the few ferns naturally adapted to saline mangrove environments.
Young shoots are edible and consumed as vegetables in traditional Amazonian communities.
Leaf infusions are used in traditional medicine to reduce fever.
Frequently asked questions
Can the Giant Leather Fern be grown in a pot?
Is it toxic to pets?
How do you propagate the Giant Leather Fern?
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Flamingo Flower | Medium | Partial shade | 5d | â ïļ |
| Prayer Plant | Medium | Partial shade | 3d | â |
| Boston Fern | Medium | Partial shade | 3d | â |
| Weeping Fig | Medium | Partial shade | 10d | â ïļ |
