油橄榄自1964年从阿尔巴尼亚引种昆明后,于1966年开始开花结果,几年来的花、果物候期观察见下表:从四年的观察材料来看,各品种花期最早开始于4月中旬,终花期最晚于5月下旬,全株花期不超过一个月,花期比较长的是弗朗多依奥和贝拉特,最长达27至28 Olea europaea from Albania in 1964 after the introduction of Kunming, the flowering in 1966, the results of years, flowers, fruit pests observed in the table below: From the four-year observation of material, the earliest flowering of all varieties began in mid-April, the end Flowering late in late May, the entire flowering period of not more than a month, flowering is longer than the Fandom Io and Berat, up to 27 to 28