Blackthorn Is A Dense, Spiny Native Deciduous Hedging Plant With Masses Of Small White Flowers On Its Dark Stems In Spring Before The Leaves Appear.in Autumn It Produces Blue-black Fruits (sloes) Which Are Particularly Attractive To Birds & Are Commonly Used To Make Sloe Gin. It Makes A Good Security Hedge. Hedges Within Gardens Create A Softer, More Wildlife Friendly Boundary & Can Provide A Great Seasonal Display Of Flowers, Berries & Autumn Colour.even A Small Hedge Can Create Your Own Little Wildlife Habitat. They Can Be Close Clipped Or Left A Bit Wilder, A Mix Of Native Varieties Will Give Different Periods Of Interest & A Good Nesting & Winter Food Source For Birds.planting Distances Vary From 30-60cm/1-2ft Depending On The Variety & The Size Of Hedge Required. For A Denser Hedge Plant A Staggered Double Row With 38cm/15in Between Rows & 45cm/18ins Between Plants. All Our Hedging Will Be Delivered As Bare Rooted Bundles, With Approximate Height Of Up To 100cm/3.5ft Depending On The Variety