Olea Europaea Plant. The subgenre olea includes the subspecies olea europaea and included also within the subgenre is the section ligustroides. This tree has low water needs and is both heat and drought tolerant once established.
The olive tree, olea europaea is instantly recognisable as the quintessential mediterranean tree and stands as the archetypal sentinel of warm, sunny climes. Taxonomy & nomenclature grin nomenclature info for olea europaea nomenclatural information about olea europaea is provided by usda/ars/ngrp/grin. Hardy to usda zone 8 native to the mediterranean, cultivated for.