Regardless, the avocado varieties that have the most cold tolerance all mature their fruit relatively fast, so you’re probably looking at six to 12 months from flower to mature fruit. It's a massive berry single, botanically sown. Although avocado flowers have both male and female reproductive parts, each part functions at a different time during the day. How To Grow An Avocado Tree That Bears Fruit … An avocado tree should be cross-pollinated with another variety of avocado trees for optimal fruit set. Avocados have an unusual flowering behaviour that is affected by temperature, particularly cold conditions which can impact on the level of fruit set. The following article explains the impact of temperature and the use of pollinisers and pollinators on fruit set of avocados in the South-West of Western Australia. Lauraceae, the floral plant family, commonly originated in south-central Mexico, is a tree classified as a member of Avocado. The avocado’s flowering behavior is believed to promote cross-pollination since the male and female phases of an individual flower occur at different times. It is believed that the interplanting of complementary flower types can boost fruit set and therefore yield by making pollen available. The fruit of the plant is called Avocado.