Crevice Gardening – the new face of the rock garden

Crevice gardening aims at imitating those situations in rocky landscapes where plants grown in cracks and crevices. It’s a visually dramatic and low-maintenance way of growing a wide range of smaller plants in a small space. Paul Spriggs and Kenton Seth have just written a book on the subject, which they introduce here, taking time off from building a project.