Try to grow the neem tree by filling the hole after you set the plant … The neem tree (Azadirachta indica) has caught the attention of gardeners in recent years for the benefits of its oil, a safe and effective herbicide.However, that’s just the beginning of the story. You can grow neem tree in Sydney, Australia as I am growing. Next plant the tree after digging a hole that is larger than the pot size or root system. Make sure to plant the tree deeply to cover the total root ball. However, if your climate has long periods of such cool weather, or if it gets even colder than that, then you won't have much luck growing a neem tree plant in your garden. There are a few nurseries in Sydney which sell small neem trees. The neem tree (Azadirachta indica), an evergreen tree … Neem trees are heat loving plants and grow best in hot climates.They can tolerate cooler weather, down to about 35 F or 5°C. Because the neem tree is native to the hot climate of Asia and Africa, it can be difficult to grow, especially in colder regions. Learn how to grow neem tree from stem branch cuttings, air layering and seeds in easy to follow steps. In India, the neem tree is commonly called the "Divine Tree," because of its many different uses. This versatile plant, native to tropical India and Asia, is a valuable tree with many uses. How To Grow A Neem Tree. The neem tree is a member of the mahogany family and is native to parts of Asia and Africa.