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Castenospermum australe (Blackbean tree, Moreton Bay chestnut)

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Helpful articles

Gymea Lilies - Doryanthes excelsa. Everything about the Gymea lily (Doryanthes excelsa) is larger than life. The bold foliage can reach over four metres in height and some majestic flower stems can reach over ten metres tall.

Green walls (or Vertical Garden). Learn how to create an amazing vertical garden wall using a variety of plants including herbs.

Growing kangaroo paws (Anigozanthos) in your garden. Learn how to grow kangaroo paws (Anigozanthos) in your garden. Article written by native gardening expert Angus Stewart.

Plant index (not used). (not used).

Plant description

castenospermum australe black bean tree 1

Castenospermum australe is a tall and spreading rainforest tree with orange flowers in summer, followed by large brown boat shaped pods. It can grow to thirty metres tall in its natural habitat, but less in cultivation. It grows in fertile moist soils, but has proved to be very adaptable to areas as far south as Melbourne. In cooler areas it will is smaller growing. Tolerates light frost. Prefers full sun, buit can be grown in lightly shaded spots.

Further reading: Australian Native Trees and Top Gum Trees for Gardens (articles written by native plant expert Angus Stewart).

Additional plant information

Flowers

Flower colour: orange
Flowering season: summer

Plant size

Maximum height: 20 metres
Minimum height: 8 metres

Maximum width: 8 metres
Minimum width: 4 metres

Sunlight, frost & salt tolerance

This plant will tolerate full sunlight.
Light frost tolerance.
Plant is not salt tolerant.

Fauna attracting?

Yes. Attracts: Birds, insects.

Climate

This plant species will grow in the following climates: temperate, subtropical, tropical.

Soil types & conditions

Loam: moist, well-drained.

Clay: moist, well-drained.

Sand: moist.

Miscellaneous information

Native to: Australia.

Planting season: Any.

Types of fertiliser: Good general purpose fertiliser.

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