Olive tree is an iconic evergreen 6–8 m with silvery, narrow leaves and gnarled trunk that gains character with age. Fragrant white blossoms in spring set green fruit ripening to black in autumn where summers are hot. Requires full sun, stony, free‑draining soil and minimal water once established; hardy to about −8 °C if kept dry in winter. Excellent for Mediterranean borders, bonsai or pots; prune lightly in late winter to open the canopy and encourage fru…