Macadamia integrifolia (Macadamia)

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Plant description

The macadamia is a small to large tree that bears decorative trusses of cream flowers, followed by edible, nutritious nuts. It naturally occurs in Queensland, but has spread to other parts of the world where it is grown for the nuts.

It is a hardy and easy care tree best suited to sub-tropical to warm temperate climates. It prefers moist, fertile soils, with good drainage. Macadamias can be trimmed to keep them to a suitable height. Macadamias can be susceptible to phytophthera.

To harvest the nits, let them fall off the tree naturally. Once picked up, spread them to dry further on a mesh tray out of the sun for a couple of weeks. They should rattle at this point. They are ready then to be cracked and eaten, or they can be further dried near a heater or in a warm oven for for a few hours for storage.

Macadamia nuts can give allergic reactions.

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: Cream
Flowering season: spring summer

Plant size

Maximum height: 12 metres
Minimum height: 2 metres

Maximum width: not specified
Minimum width: not specified

Sunlight, frost & salt tolerance

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

Fauna attracting?

Yes. Attracts: Insects.

Climate

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

Soil types & conditions

Loam: moist, well-drained.

Clay: not specified.

Sand: not specified.

Diseases

Phytophthera

Pests

Scale

Miscellaneous information

Native to: Australia.

Planting season: Any.

Types of fertiliser: Good general purpose fertiliser.

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