Prunus Spinosa Dense and thorny variety, perfect for screens and hedges! Prunus Spinosa is a small thorny deciduous tree with dark green, ovate leaves, and small white flowers in early spring. Followed by ovoid, bloomy black fruits 1.5cm across. This variety is also popularly known as a Sloe Bush when growing in a hedgerow. This type is great when used for hedging, especially for a good, strong, and reliable screen around the garden. The foliage is dense and the branches are thorny, making it an excellent protection or deterrent hedge too.