Olive 'Olea Europa' Tree | Hardy Ornamental Potted Trees for Small Gardens 2-3ftGardenersDream Olive Trees has long been favoured and revered for its various uses from the leaves and edible fruit, although in the UK the likelihood of fruit is greatly decreased to the limited exposure to the sun. The Olive tree is a medium sized evergreen tree and produces lovely, white blossoms. Perfect to grow in small gardens, patios & borders. The leaves are duality of colours, with the topside being a delightful green and the underside a