Botanical Name: Macadamia tetraphylla (M. ternifolia)
Common Name: Rough-shell macadamia, Queensland nut Type of Plant: dicot: tree Character evergreen Habit of Growth: Overall Shape an erect, mostly single-trunked tree, with ascending and spreading branches, forming a dense oval canopy in youth - plants become wider - spreading with age Height 20' - 40'(50') Spread 2/3 to equal Growth Rate moderate to rapid Environment: Exposure outdoors prefers full sun, tolerates partial at inland locations Soil thrives in deep, rich loam - tolerates most Hardiness (zones 9, 16, 17, 19-24): best in warm frost-free areas near coast Morphology: Leaves pinnate, alternate to whorled, 4"-10" (12") long; elliptic-oblong, the blade somewhat undulate, with irregularly toothed-spiny margins; dark green above, paler beneath Flowers small, pinkish-white, in drooping raceme clusters; January through April Fruit a round drupe; the outer covering is leathery, inner covering hard Propagation: seed Usage: primarily used for fruit production; as an ornamental, use as background mass for its shiny foliage - can be used as shade tree if headed high when young Landscape Care: Watering prefers frequent deep-soak irrigation - can tolerate some drought in mild climate coastal areas Fertilizing 1-2 times annually when young; older trees require little feeding Pruning select the best leader of young tree, stake, prune to shape desired (avoid shearing); can be headed back if needed Pests/Diseases relatively free Special Conditions/Other resistant to oak root fungus Queensland Origin: Australia Family: Proteaceae Notes: |
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