About Roblox Olive tree Olea europeana on stem 7075 cm. An olive tree brings a touch of the Mediterranean to your garden or terrace. The tree's greyish leaves give it a very distinctive appearance. After several years this olive tree will grow olives. However, these are more enjoyed for their appearance than consumption. You can plant the olive tree in open ground or in a pot. If you plant the tree in a pot you can move it indoors in winter, away from the frost. The tree grows best in a sunny spot and thrives in moist soil, so make sure to water it regularly.