Moreton Bay Chestnut
Castanospermum australefam. Fabaceae
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Pl. 363B — Castanospermum australe
Castanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australeCastanospermum australe
IOverview
Overview
Moreton Bay Chestnut (Castanospermum australe) is an evergreen tree native to the coastal regions of New South Wales, Queensland, and Vanuatu. This large tree, which can grow up to 25 meters tall, thrives in full sun and prefers moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 8-12 and is known for its edible seed, which has a chestnut-like flavor and is often prepared by roasting or boiling before consumption. The Moreton Bay Chestnut is also valued for its ornamental qualities, featuring large, glossy leaves that make it a prominent tree in its native habitat. This tree has been introduced to various regions, including Bangladesh, Bismarck Archipelago, India, Jawa, Kenya, Myanmar, New Caledonia, New Guinea, Norfolk Island, Pakistan, Society Islands, Sri Lanka, Tanzania, Trinidad-Tobago, Uganda, and Zimbabwe, where it has become a popular addition to landscapes and gardens.
Quick answers
What is Moreton Bay Chestnut?
Moreton Bay Chestnut (Castanospermum australe) is an evergreen tree native to the coastal regions of New South Wales, Queensland, and Vanuatu. This large tree, which can grow up to 25 meters tall, thrives in full sun and prefers moist soil that can be light (sandy), medium, or heavy (clay).
Growingconditions · propagation · uses
VCultivation
Cultivation
Moreton Bay Chestnut thrives in full sun and prefers moist soil that can be light (sandy), medium, or heavy (clay). It is hardy in zones 8-12 and can grow up to 25 meters tall. For propagation, seeds are the recommended method. Ensure the plant has adequate moisture and well-draining soil for best growth.
Light
Full sun
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
8-12
Mature size
25.0 m tall
For first-time growers
How to grow Moreton Bay Chestnut for the first time
7steps
Start with a young Moreton Bay Chestnut tree for an easier beginner project.
- 1
What you'll need
A young Moreton Bay Chestnut sapling, well-draining soil, and a large pot or garden space.
- 2
Best time to plant
Plant in spring when the weather starts warming up.
- 3
Soil and container prep
Ensure your soil is light (sandy), medium, or heavy with good drainage. For containers, use a pot at least 1 meter wide and deep.
- 4
Sowing or transplanting
Transplant the sapling carefully, ensuring not to damage the roots.
- 5
First two weeks
Water regularly to keep the soil moist but not waterlogged. Place in a sunny spot.
- 6
Ongoing care
Provide full sun and regular watering, especially during dry spells. Fertilize lightly once a year.
- 7
Harvest or pruning
Focus on pruning to maintain shape rather than harvesting seeds, as the tree can take years to produce them.
VIEdible & utility
Edible & utility
Edible parts:Seed
Edible uses: The Moreton Bay Chestnut is eaten in its native range of New South Wales, Queensland, and Vanuatu. The seed is the edible part, often prepared by roasting or boiling before consumption. Skip
Other uses:LumberNitrogen fixerFragrance
Contextrange · companions · related
VIIDistribution
3 native · 16 introduced
Distribution
3 native · 16 introducedDistribution across3 continents· 3 native· 16 introduced
Asia5 regions
introduced (5)BangladeshIndiaMyanmarPakistanSri Lanka
Africa4 regions
introduced (4)KenyaTanzaniaUgandaZimbabwe
Oceania2 regions
native (1)Vanuatu
introduced (1)New Caledonia
Broader regions
native:New South Wales, Queensland
introduced:Bismarck Archipelago, Jawa, New Guinea, Norfolk Is., Society Is., Trinidad-Tobago
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Fabaceae), common use cases, and growing requirements.
same family · Fabaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
Explore further
Companion planting
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Growing zone
Native to
XII
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