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Zone
Zones 9, 16, 17, 19-25, H1, H2
Full Sun
Full
Regular Water
Moderate

Macadamia

Proteaceae
Evergreen, Edible fruit, Trees

Native from Madagascar to Australia, macadamias are clean, handsome ornamental trees where frosts are light. Where best adapted (Zones 23, 24, H1, H2), they produce clusters of delicious hard-shelled nuts, usually within 3 to 5 years after planting.

The trees grow to 30–40 ft. tall and almost as wide, with whorls of glossy, leathery, 5–12-in.-long evergreen leaves; mature foliage is durable and attractive in arrangements. Look for grafted, named varieties of proven nut-bearing ability. Seedlings take longer to bear nuts, and their quality is unpredictable. Macadamias are self-fruitful, but planting two different varieties often produces bigger harvests.

Trees bloom in winter and spring, bearing small, sometimes fragrant white to pink flowers in dense, pendent, 1-ft. clusters. Roundish fruit to 1 1/2 in. wide consists of a leathery husk containing a hard-shelled nut.

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