![]() ![]() Hardiness varies according to the variety and, for some trees, the rootstock on which the fruiting variety is grafted. A mature citrus fruit tree, growing outside, should produce about a hundred fruits per season – so we rarely need more than one tree of each type.Ĭitrus trees can also be grown in planters, an especially wise approach in colder areas as they can be moved into a protected site for winter. Fruits mature six to eight months after flowering and remain in good condition, on the tree, for several weeks. The oval leaves of these trees are mid to dark green in color, and strongly aromatic when crushed.Ĭitrus trees are pollinated by bees, and are self-fertile, so do not need a different variety nearby to ensure a good crop. Naturally developing a well-branched crown of angled growth, the shoots of many carry sharp spines to surprise the unwary at harvest time. Citrus trees are small to medium-sized, frost tender, sub-tropical trees whose fragrant spring and summer flowers are followed by a range of different tangy fruits including oranges, lemons, limes and grapefruit.
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