The Blackberry Loch Ness Is A Thornless Blackberry That Has Stout, Erect Canes That Require The Minimum Of Support, A Considerably Winter Hardy Blackberry & Heavy Yielding.not Only Are Blackberries Delicious But They Are Also A Great Source Of Vitamins A, B, C, E, Calcium, Fibre & Iron. These Fruits Will Freeze Well & Make Excellent Jam. With Good Management & Provided They Remain Free Of Virus Infection, Will Yield Heavy Crops For Fifteen To Twenty Years.blackberry Loch Ness Ripens Late August & Throughout Septemberthe Fruits Are Large & The Flavour Is Really Goodrequires 1.8m (6ft) Of Wall Spacerhs Award Of Garden Meritavailable For Despatch All Year Roundsupplied In A 3 Litre Pot