Macadamia nut (Macadamia tetraphylla)

Macadamia nut

Also known as: Macadamia, Queensland nut

The macadamia nut makes macadamia nut trees very important for commercial purposes. Although indigenous to Australia, South Africa is actually the largest producer of macadamia nuts. Hawaii is also a large producer of the highly prized nuts.

Scientific classification

Species

Macadamia nut (Macadamia tetraphylla)

Proteas, lotuses, planes, and allies

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Tree, Shrub

Plant Type

Spring

Bloom Time

Fall

Harvest Time

3.5 m to 10 m

Plant Height

3.5 m to 8 m

Spread

Green

Leaf Color

2.5 cm

Flower Size

Pink, Cream, White, Green

Flower Color

Evergreen

Leaf type

Images of Macadamia nut

Distribution of Macadamia nut

Distribution Map

Macadamia nut is native to the subtropical regions of the eastern continent of Oceania. It has been introduced and cultivated in other regions of Oceania as well as in parts of Asia. Macadamia nut's presence beyond its natural range is a result of intentional cultivation, highlighting its adaptability to similar climates.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

In or near rainforests

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Macadamia nut

Every 2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from subtropical climates, macadamia nut thrives in consistently moist, well-draining soil. Once established, it demonstrates moderate drought tolerance. Water biweekly, especially during flowering, to ensure optimal pollination and nut production, particularly in areas with limited rainfall during this phase.

Fertilize: To optimize macadamia nut's growth, apply high nitrogen fertilizers biannually in spring and fall, following product guidelines to avoid root burn. Reduce winter applications to enhance spring vigor and apply carefully, avoiding direct contact with the trunk or leaves for effective nourishment.

Pruning: Macadamia nut features evergreen leaves and produces nuts, benefiting from structured pruning. Prune in early to late winter to enhance airflow and light penetration, maintaining an open canopy. This practice boosts disease resistance and overall vigor, crucial for optimal yield.

Propagation: Native to Australia, macadamia nut is a valuable tree known for its edible nuts and evergreen foliage. Successful propagation relies on grafting techniques, using healthy scions on disease-resistant rootstocks. Sharp, sanitized tools are crucial for preventing infection and promoting optimal growth for macadamia nut.

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