Posted: 11/02/2015 at 12:03
Neither can I, other than the aesthetic (and as we're painters that tends to override all other considerations here) . Have you seen them covered in snow yet?
They probably contributed at least £5,000 the price you paid for the house.
Maybe, you could leave one plant at each corner and train and clip them into cones and spheres etc - to keep a formal structure in the veg garden - topiary is wonderful in veg gardens