NOTE: This is part 4 in a series of 11 articles. Choose a site with very well drained soil; olive trees don’t tolerate heavy, clayey soils and it must drain easily. For olive tree care outdoors, plant your olive tree where it will get a minimum of 6-8 hours of sun per day, and preferably full sun all day with plenty of light. If you want to grow an olive tree from a seed, use an heirloom variety or skip the guesswork and buy seed from a … An olive tree (Olea europaea) can be grown from a saved seed, which is inside the pit, but it may not bear fruit true to what you've just eaten. Olive trees grow in a wide variety of climatic conditions and will grow well in any area with hot, dry summers and mild winters. Be patient if your tree only blooms every other year as some trees are alternate bearers. Hybrid varieties tend to revert to traits of their parents. Successfully establishing a young olive tree starts with your planting site and method. Once established, it needs little assistance to grow and bear fruit; but you’ll want to make sure you give your tree the right foundation. You should also be prepared to prune your trees during the flowering season. This is the reason I ask you to plant additional cultivars of olive trees near your tree. Olive trees take three years in the landscape to begin fruiting. Olive trees have been grown in the Mediterranean for thousands of years and have supplied their growers with olives, olive oil and beauty. Planting Olive Trees.