The National Trust cares for the finest collection of gardens in the UK, and these 50 postcards show some of the most beautiful. From the dense colour of cottage gardens to the sweeping grandeur of Capability Brown's vistas, there's a perfect card for every occasion. The National Trust cares for the finest collection of gardens in the UK, and these 50 postcards show some of the most beautiful. From the dense colour of cottage gardens and the geometric perfection of knot gardens to the sweeping grandeur of Capability Brown's vistas, there's a perfect card for every occasion.