Looking to create a more secluded outdoor space? These are the trees to avoid that won't actually help screen your garden ...

Hornbeam (Carpinus betulus ... Designers and nurserymen are constantly experimenting with an expanding range of pleached trees. Crab apples and photinia are now common and I recently saw some ...

Predictably, the Victorians later fell upon these grand pleached ... with trees trained to form ceilings, tunnels and arbours. For me, the most impressive is in Switzerland - a hornbeam's perfect ...