Terraced front garden with self seeded Stipa tenuissima, a seating area framed with clipped box balls and layers of planting including Rudbeckia fulgida var. deamii, Calamagrostis x acutiflora 'Overdam', Nepeta 'Six Hills Giant' and Calamagrostis x acutiflora 'Karl Foerster' at Barn House, Gloucestershire in September