The 1958–59 Plunket Shield season was a tournament of the Plunket Shield, the domestic first-class cricket competition of New Zealand.
Auckland won the championship, finishing at the top of the points table at the end of the round-robin tournament between the six first-class sides, Auckland, Canterbury, Central Districts, Northern Districts, Otago and Wellington. Ten points were awarded for a win, five points for having a first innings lead in a draw, three points for having a first innings lead in a loss and one point for a first innings deficit in a draw.
Table Below are the Plunket Shield standings for the season: Team Played Won Lost Drawn Points Net Auckland 5 3 0 2 36 7.784 Otago 5 3 1 1 35 4.185 Wellington 5 3 2 0 30 −0.862 Canterbury 5 1 2 2 22 −1.106 Northern Districts 5 0 2 3 14 −4.479 Central Districts 5 0 3 2 2 −7.143
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